Encrypted login | home

Program Information

  Therapy General Poster Discussion Sunday - 7/30/2017
  3:00 PM - 6:00 PM Room: Exhibit Hall

3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-1 : Dosimetric Impact of Spherical Applicator Size in IntrabeamTM IORT for Treating Unicentric Breast Cancer Lesions
Y. Saleh, H. Zhang*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-2 : Evaluating EUBED as a Metric for HDR Prostate Brachytherapy Plan Quality Assessment Based On In-Silico Tumorlet Analysis
B. Leong*, N. Kalman, C. Rogers, D. Todor
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-3 : Towards a More Realistic Model of Tumor Control Probability (TCP) for High-Dose-Rate Prostate Monotherapy
C. Tien*, Z. Chen, R. Nath, D. Carlson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-4 : Improving I-131 Outpatient Safety Through Inpatient Data
O. Blasi, O. Blasi*, N. Busse, C. Frame
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-5 : Tumor Control Probability Incorporated in SAVI Brachytherapy Treatment Planning Prevents Failure in Treatment Outcomes
Z. Huang*, M. Farmer, Y. Feng, K. Rasmussen, S. Lo, J. Grecula, N. Mayr, W. Yuh
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-6 : Cluster Pattern Analysis for Alternative High Dose Rate Brachytherapy Sources 75Se, 169Yb, and 153Gd
G. Famulari*, S. Enger
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-7 : Dosimetric Evaluation of An Endorectal Balloon with Radiochromic Film for Two-Dimensional in Vivo Rectal Dosimetry During Cervical Cancer Brachytherapy
Y. Goh*, E. Jeang, K. Cho, S. Min, U. Hwang, S. Choi, N. Lee, S. Song, S. Lee, D. Shin, Y. Kim, J. Kim, D. Kim, Y. Lim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-8 : New Methodology for Binding Iodine-125 Onto Silver for Brachytherapy Sources Manufacture
C. Daruich de Souza*, M. Chuery Martins Rostelato, R. Mansini Cardoso, K. Araki, J. Moura
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-9 : Efficiancy of Hydrogen Peroxide for Cleaning Production Areas and Equipments in the Laboratory for Brachyterapy Sources Production
T. Baptista, M. Chuery Martins Rostelato*, C. Zeituni, E. Araujo Perini, C. Daruich de Souza, J. de Oliveira Marques, B. Ribeiro Nogueira, L. Verdi Angelocci
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-10 : Development and Verification of the Three-Dimensional Evaluation System for the Tip Position Accuracy in Brachytherapy
T. Kikuchi*, S. Kabuki, T. Hiroki, H. Todaka, E. Kunieda
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-11 : New Core Configuration for Producing Iodine 125 Seeds
B. TEIGA RODRIGUES*, M. Chuery Martins Rostelato, C. Daruich de Souza, C. Zeituni, E. Santana de Moura, D. Barbosa de Souza, C. Tozetti, B. Rodrigues
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-12 : Feasibility Study of Source Position Verification in HDR Brachytherapy Using a Scintillating Fiber
S. Moon*, E. Jeang, Y. Lim, D. Shin, M. Yoon
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-13 : Enhanced Radiotherapy by Novel Class of Radiosensitizer Based Bismuth Nanoparticles in Gel Dosimetry
s. farahani, n. Riyahi alam*, s. Haghgoo, R. Rahnamafar, E. Gorji, s. Fazli
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-14 : Quality Assurance for CO60 HDR Brachytherapy
G. Gonzalez Sprinberg*, H. Ortega, G. Piriz, C. Vega
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-15 : Characterization and Validation of Optically Stimulated Luminescent Dosimeters for In-Vivo Dosimetry of HDR Gynecological Brachytherapy Treatments
J. Hanna*, R. Yaparpalvi, H. Kuo, K. Mehta, W. Tome
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-16 : Design and Implementation of a Novel Technique for Verification of TG-43 Dosimetric Parameters for a Directional 103Pd Source
A. Damato*, G. Cohen, K. Episcopia, S. Lim, M. Rivard, T. LoSasso
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-17 : Gamma-Ray Induced Growth of Metal Whiskers
M. Killefer, V. Borra, A. Al-Bayati, E. Parsai, D. Georgiev, V. Karpov, D. Shvydka*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-18 : Commissioning Data for HDR Vertical Entry Surface Applicators
A. Markovic*, J. Baldwin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-19 : HDR Afterloader Brachytherapy Treating Very Long, Thin Targets in Patients with Peripheral Atherosclerotic Vascular Disease Following Percutaneous Transluminal Angioplasty
T. Harris*, I. Buzurovic, M. Bhagwat, D. O'Farrell, S. Friesen, J. Hansen, R. Cormack, P. Devlin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-20 : Dosimetric Comparison of Brachytherapy Sources for High Dose Rate Treatment of Endometrial Cancer:Electronic Brachytherapy,192Ir and 60Co Sources
S. Lozares*, J. Font Gómez, A. Gandia, A. Miranda Burgos, M. Gascon Ferrer
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-21 : A Simple Method for Verification of HDR Brachytherapy Source Position Inside Applicators Using An Electron Beam From a Linear Accelerator
Y. Kakinohana*, T. Toita, T. Ariga, H. Maemoto, T. Kusada, S. Hasimoto, J. Heiannna, S. Murayama
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-22 : Quality Control of Tandem-And-Ovoid HDR Brachytherapy Using Pre-Treatment CT Scout Images
X. Chen*, C. Kim, J. Wilson, J. Fan, L. Ariaratnam, V. Lockamy
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-23 : A Novel Electromagnetic-Tracked Scintillation Dosimeter for Accurate In Vivo Dosimetry in HDR Brachytherapy
D. Tho*, L. Beaulieu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-24 : Improving Permanent LDR Partial Breast Brachytherapy with CBCT and Surface-Map Guidance
S. Richardson*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-25 : Revisit Seed Nomogram for Real-Time Intraoperative Prostate Brachytherapy
C. Yang*, Y. Chen, S. Sim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-26 : Dosimetric Evaluation of Available I-125 High Activity Seeds for COMS Eye Plaques
L. Muller*, D. Johnson, S. Ahmad, T. De La Fuente Herman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-27 : Design and Dose Calculation of Module Type Sealed Source Applicator Using Monte Carlo Simulation for Patient Specific Brachytherapy
C. Choi*, J. Kim, J. Park, S. Park, M. Chun, S. Kang, H. An, S. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-28 : Permanent Breast Seed Implant as Partial Breast Radiation Therapy for Early Stage Patients Using Yb-169
S. Awan*, M. Shah, A. S. Meigooni
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-29 : Dosimetric Study of Co60source Step Size in Intracavitary HDR Brachytherapy
A. Shukla*, N. Singh, S. Kumar, B. Rana, I. Sandhu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-30 : The Effect of Breast Phantom Composition On Dose Distribution in Accelerated Partial Breast Irradiation Using Strut-Adjusted Volume Implant (SAVI) Brachytherapy
M. Papie, R. Faghihi, S. Sarshogh, S. Sina*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-31 : Adapting An Eye Plaque Into A Small Animal Radiation Research Device
J. Chin*, W. Ngwa
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-32 : Dosimetric Advantage of MBDCA-ACE Algorithm (TG-186) Over TG-43 Dose Formalism in HDR Brachytherapy of Accelerated Partial Breast Irradiation (APBI) Using Strut Adjusted Volume Implant (SAVI) Applicator
D. Jacob*, N. Petersen, L. Romak, H. Chen, A. Sarkar, K. Yang, F. Mourtada
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-33 : The Effect of Phantom Material On Accuboost HDR Brachytherapy
M. Papie*, R. Faghihi, S. Sina
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-34 : Comparison of GYN Brachytherapy Treatments Using Tandem-Ovoid Applicator, for Co-60, and Ir-192 HDR Brachytherapy Sources
M. Sadeghi, A. Mehdizadeh, S. Sina*, A. S. Meigooni
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-35 : An Algorithm to Calculate Biologically Effective Dose Distributions for Low Dose Rate Prostate Brachytherapy
D. Guest*, A. Riegel
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-36 : A Computer Program for Physics Second Manual Calculation for Low-Dose-Rate Brachytherapy
W. Taylor*, A. Ayan, J. Woollard, N. Gupta
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-37 : Dosimetric Implications of the Organs at Risk in Vaginal Cuff Brachytherapy with Multi-Lumen Cylinder
N. Dumitru*, M. Shojaei, S. Pella, T. Leventouri
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-38 : TG43-TG186 Dosimetric Comparison of a SAVI Applicator
Z. Richards, D. Wilkinson*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-39 : Interfraction Bladder Contour Inconsistencies Lead to Miscalculations of D2cc in Cervical Cancer Brachytherapy
D. Park*, A. Medina-Palomo, D. Scanderbeg, L. Mell, L. Cervino
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-40 : Dosimetric Effects of Magnetic Field On Co-60 and Yb-169 HDR Brachytherapy Sources
S. Ahmad*, W. Song
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-41 : A GPU-Accelerated Deterministic Algorithm for Heterogeneity Corrections in Low Dose-Rate Brachytherapy
Y. Bélanger*, L. Beaulieu, P. Després
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-42 : Planning Strategies to Improve Dose Homogeneity for Permanent Breast Seed Implant
A. Frederick*, T. Meyer, M. Roumeliotis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-43 : Dosimetric Comparison of I-125, Pd-103, and Cs-131 Seed Isotopes for Slotted Plaque Radiotherapy
S. Howard*, V. Massey, Y. Altundal
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-44 : Source Modelling for Eye Plaque Dosimetry: A Planning Study
N. Papanikolaou*, J. Roring, S. Stathakis, N. Kirby, D. Saenz, K. Rasmussen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-45 : Dosimetric Comparison of LDR Vs. HDR Tandem Ovoid Brachytherapy
W. Li*, L. Liu, S. Tanny
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-46 : Implementation of S-Factor Calculation for Personalized Radionuclide Therapy Dosimetry Into the GATE Platform
G. Fois*, F. Smekens, L. Maigne
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-47 : Influence of Bone Tissue On the Dose Distribution Characteristics for a Low-Energy Low-Dose-Rate Brachytherapy Implant
M. Rivard*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-48 : Producing a Look-Up Table for Mesh Brachytherapy Dosimetry with I-125, Pd-103, and Cs-131
Z. Grelewicz*, D. Cutright, V. Sathiaseelan, H. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-49 : Consequences of In-Correct Definition of Point A in CT Image Based Brachytherapy for Cervical Cancer
P. Agarwal*, J. Swamidas, U. Mahantshetty, S. Chopra, D. Deshpande, J. Agarwal
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-50 : Dose Calculation of a Low Energy X-Ray Intra-Operative Radiotherapy System IntraBeam
T. Dai*, K. Mao, Z. Wang, Q. Wei
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-51 : Generation of 3D Printed Surface Applicator Surrogates From the Brachyvision Solid Applicator Library for Patient Simulation
D. Barbee*, I. Das, T. Duckworth
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-52 : Dosimetric Comparison of Co-60 and Ir-192 HDR Source Used in Brachytherapy Treatment of Cervical Cancer
A. Shukla*, N. Singh, S. Kumar, B. Rana, I. Sandhu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-53 : A Tool for Automatic Depth Prescription in Surface Skin Brachytherapy
A. Otal*, J. Richart, S. Rodriguez, M. Santos, J. Vijande, F. Ballester, J. Perez-Calatayud
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-54 : SRPLAN - A Software Platform of Treatment Planning and Navigation for Radiotherapy Snake Robot
Y. Li*, L. Zou, Y. Li, Y. Xie, J. Xiong
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-55 : An Institution-Build Plaque Brachytherapy PlanningSystem for Intraocular Tumor Treatment
X. Wu*, I. Brezovich, J. Kraus, S. Shen, E. Covington, R. Popple
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-56 : Dosimetric Impact of Changing Tandem and Ring Prescription From Point A to Volumetric Prescription of HRCTV for Locally Advanced Cervical Cancer
A. Powers*, R. Sheu, V. Gupta
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-57 : Dosimetric Comparison Between Syed-Neblett Interstitial and Multi-Channel Vaginal Cylinder HDR Brachytherapy in Locally Advanced Cervical Cancer
H. Ai*, X. Lu, C. Desrosiers
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-58 : Dosimetric Evaluation of Electron Total Skin Irradiation Using TLD
L. Falahati, N. Banaee, H. Nedaie*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-59 : Experimental Investigation of the Depth-Dependent Fluence Perturbation of Parallel-Plate Chambers in Clinical Electron Beams
P. von Voigts-Rhetz*, H. Vorwerk, K. Zink
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-60 : Dosimetric Evaluation of the Transmission and Backscatter Doses Due to Tungsten Eye Shields in High Energy Electron Fields
D. Vile*, B. Overshiner, P. Yearling, C. Desrosiers
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-61 : An Effective Methodology To Reduce TG-71 Based Electron Data Set Measurement For Different Varian Machines
H. Xu*, S. Mossahebi, M. Guerrero, S. Chen, P. Aryal, K. Prado, B. Yi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-62 : Volume Base Prescription for Electron Monte Carlo Monitor Unit Calculations
J. Baker*, Y. Valenciaga, E. Klein
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-63 : Electron Monte Carlo: An Analysis of Cutout Factors for Irregularly Shaped Electron Fields
N. Mensah-Brown*, N. Neba, Y. Altundal, L. Kile, H. Saleh
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-64 : Feasibility of Monitor Unit Calculation Using a Commercial Monte Carlo Algorithm for Electrons
S. Mossahebi*, H. Xu, M. Guerrero, B. Yi, K. Prado, P. Aryal, W. D'Souza, S. Chen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-65 : Feasibility of Using Monte-Carlo Based Treatment Planning System to Calculate Output Factors for Patients Receiving Electron Radiation Therapy
S. Mossahebi, H. Xu*, P. Aryal, N. Lamichhane, M. Guerrero, B. Yi, K. Prado, S. Chen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-66 : Isodose-Driven Optimization for Automatic/Interactive Electron Bolus Design
M. Chen*, X. Gu, T. Chiu, T. Long, J. Tan, W. Lu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-67 : Impact of Prostate Focused Alignment On Pelvic Lymph Node Coverage
J. Kilian-Meneghin*, T. Ma, L. Kumaraswamy
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-68 : A Novel Design Method to Create a Patient Specific 3D Printed Bolus for Use in Electron Therapy
G. Gibbard*, M. Porter, G. Kalantzis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-69 : Design and Creation of a 3D Printed Custom Chest Wall Bolus From a Rubber-Like Material
D. Vile*, B. Overshiner, H. Ai, P. Yearling
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-70 : Electron Beam Dosimetry for Standard Circular Cutouts to Ensure Adequate Target Coverage in the Treatment of Small Superficial Lesions
Y. Lee*, Y. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-71 : Photon Multileaf Collimators for Electron Radiotherapy
P. Sea*, G. Gill, P. Taylor, E. Klein
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-72 : Dosimetric Comparison Between Two Different 3D Printed Bolus Materials for Electron Therapy of the Nose
D. Vile*, B. Overshiner, H. Ai, P. Yearling
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-73 : Physical and Dosimetric Aspects of Various 3D Printing Filaments for Bolus in Radiation Therapy
J. Jung*, F. Li, N. Potter, S. Samant, D. Yoon, T. Suh, B. Lu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-74 : Evaluation of Skull Base Rotation and C-Spine Displacement in Three Head and Neck Immobilization Techniques Using KV Portal Images
H. Wang*, X. Wang, L. Zhang, J. Phan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-75 : A Feasibility Study of Computer Milled Immobilization Cradles for Head and Neck Radiotherapy
P. Booth, N. Lee, D. Lovelock, K. Hwang, M. Hunt, E. Yorke, J. Deasy*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-76 : Dosimetric Effects Due to Indexing Clips On An Immobilization Device
K. Verdecchia*, S. Balik, P. Xia
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-77 : Comparison of Two Immobilization Systems' Stability Capabilities On SBRT Lung Patients
C. Page*, E. Dellit, D. Ryan, T. Mitin, C. Thomas, J. Tanyi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-78 : Localization Accuracy of a Novel Patient Positioning System with Four X-Ray Tubes and Flat Panel Detectors: A Phantom Study
S. TANABE*, S. Utsunomiya, O. Umetsu, T. Sasage, H. Takatou, M. Kunii, A. Amaki, G. Kawaguchi, H. Aoyama
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-79 : Real-Time Web-Based Wireless Visual Guidance System for Radiotherapy
D. Lee*, S. Kim, J. Palta, T. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-80 : Feasibility Study: Auto-Triggered Consecutive-Short-Breath-Hold Control with ABC in Cancer Radiotherapy
D. Lee*, B. Lewis, S. Kim, J. Palta, T. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-81 : A Novel Metal-Free Miniature 6D Robotic Couch - to Correct Head and Neck Positioning When They Have Differing Displacements
M. Ostyn*, S. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-82 : The Continuous Assessment of Cranial Motion in Thermoplastic Masks During CyberKnife Radiosurgery
A. Mayville*, T. Bichay
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-83 : Characterization of Oral Stent Stability in a Radiotherapy Environment
R. Price*, B. Kuykendall, U. Parvathaneni, G. Sandison
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-84 : A New Social Role for Medical Physicists: The Italian Association of Medical Physics (AIFM) Free Web Section "Ilfisicomedicorisponde" to Convey Clear and Scientific Information to Public
S. Delle Canne, L. Bianchi, F. Ria*, B. Italiano, M. Stasi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-85 : TRANSP: Deterministic Photon Transport with the Method of Characteristics
K. Hadad*, A. Moghaddam, M. NEmatollahi, H. Porhemmat
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-86 : Construction of Indigenous Phantoms at FMRI
S. Singh*, K. Jassal, B. Sarkar, U. Giri, S. pal, K. Vittal, s. osman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-88 : Retrospective Correlation of Radiation Pneumonitis with Dose Distributions Computed with Different Algorithms for Locally Advanced Lung Cancer Patients
s. devpura*, K. Feghali, Z. Sun, Q. Wu, J. Liu, m. ajlouni, I. Chetty
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-89 : Treatment Outcome and Lung Toxicities of Volumetric Modulated Arc Therapy in the Treatment of Inoperable Non-Small-Cell Lung Cancer Patients
X. Jin*, C. Xie
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-90 : CmtDNA: A Geometrical Model of the Circular Mitochondrial DNA Configuration for Evaluation of Radiation-Induced Damage
M. Tavakoli*, H. Moradi, H. Khanahmad, M. Hosseini
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-91 : Associations Between Normal Lung Density Changes and Radiation-Induced Pneumonitis After Concurrent Chemoradiotherapy for Patients with Locally Advanced Stage Lung Cancer
Q. Wu*, K. Feghali, A. Ghanem, c. liu, m. ajlouni, B. Movsas, I. Chetty
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-92 : Regression Modeling for Individualized Cancer Risk Prediction Among American Adults
F. Guo*, J. Deng, D. Roffman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-93 : A Preliminary Study On Patient Noncompliance for Cervical Cancer Radiotherapy
R. Meerschaert*, S. Miller, L. Zhuang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-94 : Comparison of Heart and Lung Dose for Prone and Supine Setups for Breast Radiotherapy
M. Mille*, P. Vadnais, C. Lee, S. Lee
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-95 : Fitting Three NTCP Models to Treatment Outcome Data of Cardiac Toxicity After Radiation for Stage III Non-Small Cell Lung Cancer
P. Mavroidis*, K. Wang, M. Eblan, B. Jensen, J. Dooley, L. Marks, S. Das
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-96 : Quantification of the Increase in Risk of Pneumonitis and Ischemic Heart Disease Among Left Breast Cancer Patients Due to Megavoltage Imaging Beam in TomoTherapy
H. Choi*, Y. Ho, M. Law, P. Wu, K. Cheung, S. Yu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-97 : Analysis of Recurrences in Lung Patients Treated with Protons
D. Mirkovic*, P. Yang, Z. Belal, U. Titt, C. Peeler, Z. Liao, R. Mohan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-98 : Pooling Outcome Data Demonstrates Unforeseen Dose-Response Relationships
M. Thor*, A. Jackson, M. Zelefsky, G. Steineck, . Karlsdòttir, M. Høyer, M. Liu, N. Nasser, S. Petersen, V. Moiseenko, J. Deasy
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-99 : The Optimal A-Value in the Equivalent Uniform Dose Model to Predict Radiation-Induced Proximal Bronchial Tree Toxicity in Patients with Non-Small Cell Lung Cancer
H. Ai*, W. Wang, M. Matuszak, J. Jin, F. Kong
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-100 : Machine Learning-Based Modeling to Predict Radiotherapy-Induced Genitourinary Toxicity in Prostate Cancer Using Genome-Wide Association Study
S. Lee*, J. Oh, S. Kerns, H. Ostrer, B. Rosenstein, J. Deasy
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-101 : The Feasibility Study of Multiple CTs Based Optimization in IMPT
X. Wang*, X. Zhu, L. Liao, H. Li, B. Jiang, X. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-102 : Evaluating the Impact of Respiratory Motion On Proton Breast Treatment
X. Wang*, H. Cao, N. Yue, M. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-103 : An LET-Based Model of Proton RBE Consistent with New High Accuracy RBE Data Measured Near Distal Fall-Off
O. Vassiliev*, F. Guan, L. Bronk, D. Grosshans, R. Mohan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-104 : Pilot Study of Multi-Field Optimized (MFO) IMPT Dose Distributions Using Fixed and Variable Relative Biological Effectiveness (RBE) Models for Brain Cancer
R. Kohno*, W. Cao, P. Yepes, F. Poenisch, D. Grosshans, R. Mohan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-105 : Survival: A Radiobiological Simulation Toolkit for Ion Beam Therapy
L. Manganaro, G. Russo, S. Giordanengo, a. vignati, V. Monaco, R. Sacchi, F. Bourhaleb, R. Cirio, A. Attili*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-106 : Impact of 2D Vs 3D Cell Survivals On the RBE for Proton Therapy Using GATE
F. Smekens*, E. Chautard, E. Débiton, V. Dedieu, F. Degoul, J. Hérault, G. Montarou, P. Vert, L. Maigne
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-107 : Effect of Variable RBE On the Distal Range of the Passive Scattering Proton Beams
N. Khuntia, A. Gautam, X. Zhang, X. Zhu, M. Gillin, N. Sahoo*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-108 : Characterization of Relative Biological Effectiveness (RBE) for Proton Therapy in Human Cancer Cell Lines
M. Howard, M. Herman*, S. Anderson, H. Wan Chan Tseung, J. Sarkaria, C. Beltran
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-109 : Charged Particle Track-Structure Simulations: Interaction Cross Sections for Gold
M. Dingfelder*, J. Teller
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-110 : Effects of Hinge Angle On Dose, Biological Dose and LET in Critical Organs in Proton Therapy
F. Pirlepesov*, M. Gargone, V. Moskvin, C. Tinkle, J. Farr, T. Merchant
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-111 : Pencil Beam Dose Algorithm for Intensity Modulated Proton Therapy with Scanning Proton Beams
H. Wang*, H. Zheng, R. Cao, J. Jia, J. Song, T. He, Y. Wu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-112 : The Correlation of Empirical Estimation of Second Hand Monitor Unit Calculation in Proton Pencil Beam Treatment
J. Syh*, J. Syh, H. Wu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-113 : Assessment of Polymer Gel Dosimetry and Radiochromic Gel Dosimetry for Proton Beams by Means of Monte Carlo Simulation
M. Park*, W. Ha, G. Kim, K. Joo, Y. Ji, S. Park, H. Jung
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-114 : Commissioning of the Fast Dose Calculator for the Shanghai Proton and Heavy Ion Center
Q. Wang*, M. Moyers, J. Lin, P. Taddei, L. Hong, N. Schlegel, J. Li, Z. Shen, Z. Lin, H. Chen, L. Xu, M. Xu, P. Yepes
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-115 : Fragmentation Experiments with Helium Ions
F. Horst, C. Schuy, U. Weber, K. Brinkmann, K. Zink*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-116 : Accuracy of the Eclipse Pencil-Beam Algorithm in Small Fields for a Passively Scattered Proton Therapy System
K. DePew*, S. Ahmad, H. Jin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-117 : Seamless Integration of a GPU-Based Monte Carlo Treatment Plan Optimization Engine for Carbon Ion Therapy with Varian Eclipse System
M. Tsai*, X. Jia, N. Qin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-118 : A Model for Secondary Monitor Unit Calculations of Pencil Beam Scanning Proton Therapy Treatment Plans
G. Schimke*, H. Wu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-119 : Validation of Monte-Carlo Proton Dose Calculation for Real Tissue Samples
H. Wang*, J. Wu, R. Zhang, E. Baer, C. Geng, K. Jee, G. Sharp, H. Paganetti, J. Tang, H. Lu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-120 : An Independent Dose Calculation Engine for Proton PBS Patient-Specific QA
C. Lee*, B. Chiang, H. Huang, T. Chao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-121 : Internal Neutron Analytical Model for Proton Therapy of Pediatric Patients with Intracranial Tumors
K. Gallagher*, P. Taddei
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-122 : On the Propagation of Proton Pencil Beams in Various Media
F. Van den Heuvel*, F. Fiorini, B. George
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-123 : Should Proton Radiotherapy with Pencil Beam Scanning Be the Treatment of Choice for Left Chest Wall Irradiation?
S. O'Reilly*, C. Shillington, A. Darafsheh, B. Teo, G. Freedman, A. Kassaee
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-124 : Absolute Monte-Carlo Dose Calculations Using the Numberof Protons in Spot-Scanning Proton Beams
A. Pourmoghaddas*, W. Yao, R. Lukose, T. Merchant, J. Farr, V. Moskvin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-125 : Integral Dose for Photon and Proton Hodgkin Lymphoma Radiotherapy
S. Flampouri*, B. Hoppe
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-126 : Commissioning of a Fast Monte Carlo Code as a Quality Assurance Tool in Krakow Proton Beam Therapy Centre
A. Rucinski*, J. Gajewski, P. Olko, V. Patera, I. Rinaldi, A. Schiavi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-127 : Dose Perturbation by Gold Fiducials in the Prostate During Image-Guided Proton Therapy: A Monte Carlo Study
C. Smith*, S. Wan, U. Wichoski, PhD
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-128 : Evaluation of Surface Dose for Various Treatment Sites Using Mevion S250 Passively Scattered Proton Therapy System
H. Jin*, S. Ahmad
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-129 : Clinical Commissioning of the Pinnacle Proton Dose Engine for the Mevion S250 Delivery System
T. Willoughby*, O. Zeidan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-130 : Characterization of the Low-Dose Halo of Proton PBS Spots with and Without a Range-Shifter
C. Teng*, C. Ainsley
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-131 : Modeling the Air Gap of Range Shifter for the Dose Calculation of IMPT
Y. Zhang*, M. Kerr, J. Hartman, W. Qian, B. Jiang, X. Zhu, X. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-132 : Development of Radiation Treatment Planning Engine for Proton Boron Fusion Therapy: First Principle Study
S. Kim*, D. Yoon, H. Shin, J. Jung, M. Kim, K. Kim, H. Jang, T. Suh
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-133 : Probability Dose Distribution for the Nuclear Halo in IMPT
R. Brosch*, P. Rez, M. Bues
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-134 : Validation of a Dose Verification Tool Using a Simplified Monte Carlo Method for Patient Quality Assurance
S. Mizutani*, K. Hotta, H. Baba, T. Yamaguchi, T. Mukawa, Y. Aoki, T. Miyashita, T. Akimoto
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-135 : The Development of a Tetrahedral Phantom and Its Monte Carlo Simulation for Proton Therapy
T. Chao*, H. Chang, C. Lee, C. Tung
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-136 : Dosimetric Evaluation of Conventional Proton Plans Against IMRT and VMAT Photon Plans for Pancreatic Cancer
K. Harpool*, H. Jin, E. Schnell, T. Herman, S. Ahmad, T. De La Fuente Herman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-137 : Evaluation of a Method for Dose Estimations to Moving Pancreatic Tumors Treated with Gated Carbon Ion Beams
G. Meschini*, M. Seregni, A. Vai, J. Phillips, G. Baroni, M. Ciocca, S. Molinelli, H. Paganetti, A. Pella, F. Valvol, G. Sharp, M. Riboldi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-138 : Proton Therapy Dosimetry by Using the Scintillation of Glass and Plastic Bare Optical Fibers
A. Darafsheh*, R. Taleei, A. Kassaee, J. Finlay
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-139 : Study of Uncertainty of EBT3 Film as a Dosimeter for Proton Beam Measurements
V. Ugarte*, N. Wang, A. Ghebremedhim, B. Patyal
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-140 : Comprehensive Morning QA System for Proton Beam Scanning System
H. Chung*, K. Langen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-141 : Daily QA for Spot-Scanning Proton Radiotherapy Using Single Field Delivery
J. Younkin*, M. Bues, W. Liu, D. Mundy, D. Robertson, J. Shen, J. Stoker, X. Ding
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-142 : Feasibility Study of Quality Assurance of Proton Range Compensator Using the Proximal Side of Spread-Out Bragg Peak
H. Jin*, S. Ahmad
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-143 : 3D Gamma Test for Patient Specific Quality Assurance of Proton Pencil Beam Scanning Dose
F. Pirlepesov*, W. Yao, O. Ates, R. Lukose, V. Moskvin, L. Zhao, J. Farr, T. Merchant
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-144 : Investigation of the Feasibility of Collimating the Proton Pencil Beams for Integrated Depth Dose Measurement
A. Darafsheh*, W. Nie, E. Diffenderfer, Y. Xie, B. Teo, A. Kassaee
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-145 : Proton Range Verification in Homogeneous Materials Through Acoustic Measurements
W. Nie*, K. Jones, S. Petro, A. Kassaee, C. Sehgal, S. Avery
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-146 : Isocenter Verification of a Compact Rotating Gantry for Carbon Ion Therapy
n. saotome*, T. Furukawa, Y. Saraya, K. Mizushima, Y. Hara, r. tansho, t. Shirai, K. Noda
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-147 : Monte Carlo Calculated Stopping-Power of EBT3 and EBT-XD Film for Pristine Proton Beams
C. Shi*, C. Chen, D. Mah, M. Chan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-148 : Ion Recombination Effect in Proton Therapy with Pencil Beam Scanning (PBS): A Comparison of Three 2-Voltage Correction Methods
M. Gao*, H. Ramirez, B. Kreydick, M. Pankuch
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-149 : Feasibility Study of 2D-Beam Monitoring System Using Optical-Fiber Radiation Sensor for Proton Pencil Beam
J. Son*, J. Jung, M. Yoon, Y. Lim, S. Lee, S. Lee, D. Shin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-150 : Energy Dependency of Dose Response Function of An Optical Dosimeter and EDR2 Film for Spot-Scanning Proton and Carbon-Ionbeams
Y. Li, Z. Huang, W. Hsi*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-151 : Towards Modeling Proton Pencil Beam Scanning for Accurate Simulated QA
J. Luna*, L. Ungar, J. Zou, J. Weimer, E. Diffenderfer
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-152 : Practical Method for Periodic Quality Assurance Monitoring of Spot Position and Spot Size for a Spot-Scanned Proton System
E. Tryggestad*, C. Beltran, A. Deisher, K. Furutani, G. Gilson, M. Hernandez, S. Ito, J. Johnson, J. Kruse, D. Mundy, N. Remmes, A. Tasson, T. Whitaker, Y. Zhang, J. Gustafson, M. Lowe, K. Long, M. Herman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-153 : Experimental Evaluation of the Water-Equivalence of Novel Plastic Materials in Clinical Proton Beams
A. Lourenco*, D. Shipley, N. Wellock, R. Thomas, H. Bouchard, A. Kacperek, F. Fracchiolla, S. Lorentini, M. Schwarz, N. MacDougall, G. Royle, H. Palmans
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-154 : Feasibility of a Newly Developed Water-Equivalent Bolus Technique in Accelerator-Based Boron Neutron Capture Therapy for Skin Tumors
K. Hirose*, K. Arai, T. Harada, R. Shimokomaki, T. Motoyanagi, T. Kato, Y. Takai
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-155 : A Treatment Planning Comparison of Photon and Proton Radiotherapy for Intra-Cranial Stereotactic Radiosurgery Lesions
A. Boczkowski*, F. Bova, T. Willoughby, J. Pukala, S. Meeks
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-156 : Increasing Bony Anatomy Set Up Tolerances for Low Risk Prostate Treatments Using Pencil Beam Scanning Proton Therapy
D. Hecksel*, H. Ramirez, M. Gao, M. Pankuch
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-157 : The Dosimetric Capabilities of Intensity Modulated Proton Therapy in Hippocampal Avoidance Whole Brain Radiotherapy
A. Uejo*, B. Allred, J. Stoker, W. Liu, J. Shen, M. Bues, T. Daniels, S. Keole, T. Vern-Gross, M. Buzan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-158 : Redistribution of Linear Energy Transfer Near Critical Structures Through the Introduction of Proton Track-End Objectives in Proton Plan Optimization
E. Traneus*, J. Ödén
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-159 : Impact of the History Size M Used in Limited-Memory Broyden-Fletcher-Goldfarb-Shanno Optimization Algorithm On Intensity-Modulated Proton Therapy Treatment Planning
I. Khan*, W. Liu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-160 : Pencil Beam Scanning Proton Therapy Planning for Low-Risk Prostate Cancer Based On Proton Collaborative Group (PCG)-GU002-10 (NCT01230866) Protocol
B. Arjomandy, H. Gayar, B. Tesfamicael, S. Rana*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-161 : Benchmarking and Optimization of a Monte Carlo Based Robust Optimization System for Intensity Modulated Proton Therapy (IMPT) On Multi-GPU Cluster
A. Abdel-Rehim*, H. Wan Chan Tseung, J. Ma, H. Kamal Sayed, M. Herman, C. Beltran
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-162 : Evaluation of Proton Lung SBRT Plan Robustness to Daily Setup and Anatomy Variations
Y. Lin*, M. Zhu, Q. Wu, M. Fang, F. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-163 : Statistic Characteristics of Dose-Volume-Histogram Deviations by Patient Setup Error in Spot-Scanning Carbon-Ion Radiotherapy
J. SUN*, W. Hsi, w. wang, G. Jiang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-164 : Dosimetric Advantages of Proton and Carbon Ion Therapy for Treatment of Retroperitoneal Liposarcoma
J. SUN*, K. Shahnazi, w. wang, Y. Sheng, Q. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-165 : Dosimetric Advantages of Carbon Ion Therapy Over Proton and Photon Therapy for Hyper-Fractionated Hepatocellular Carcinoma (HCC) Patients
w. wang*, J. SUN, Y. Sheng, K. Shahnazi, G. Jiang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-166 : Comprehensive Comparison of Compensator Border-Smoothing Margin in Proton Therapy of Wobbling Scattering System
T. Tsai*, T. Wu, C. Yeh, C. Lee, S. Lee
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-167 : Automated and Robust Dose Restoration in IMPT: Reaching Dose Stability Under Anatomical Changes in Head and Neck Cancer Patients
K. Bernatowicz*, X. Geets, E. Sterpin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-168 : Dosimetric Impact of Beam Size for Intensity Modulated Proton Therapy in Head and Neck Cancer
H. Baba*, K. Hotta, H. Tachibana, K. Motoki, Y. Sugama, T. Akimoto
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-169 : PTV-Based IMPT Plans Vs. Robustly Optimized IMPT Plans
B. Perumal*, V. Ranganathan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-170 : An Investigation in Implementation of AAPM Task Group 119 Test Suite Benchmark Plans for Proton Pencil Beam Treatment Planning
J. Syh*, G. Schimke, R. Shirey
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-171 : Optimally Combined Proton-Photon Treatments
J. Unkelbach*, M. Bangert, K. Bernstein, N. Andratschke, M. Guckenberger
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-172 : Proton Uniform Scanning Treatment of Breast Cancer Patients with Tissue Expanders
G. Del Rosario, C. Chen, O. Cahlon, J. Fox, C. Zeng, D. Mah, D. Mah*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-173 : Effect of Residual Errors On TCP and NTCP Values in H&N Irradiation in Photon and Proton Therapy: A Treatment Planning Study
C. Cheng*, S. Srivastava, J. Yuan, D. Mattson, F. Jesseph, M. Awan, D. Mansur, M. Yao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-174 : Robust Evaluation of Treatment Planning Techniques in Pencil Beam Scanning Proton Therapy for Cranio-Spinal Irradiation
S. Rana*, T. Romaguera, A. Gutierrez, J. Bennouna
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-175 : Plan Uncertainty Study: Use of Carbon Ion Beam for Non-Small Cell Lung Cancer
x. liu*, K. Shahnazi, Y. Sheng, w. wang, W. Hsi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-176 : A Proton Pencil Beam Scanning Treatment Planning Technique for Breast Patients with Tissue Expanders Containing High Density Metallic Filling Ports
M. Pankuch*, S. Gans, D. Kaplan, M. Stauffer, S. Niles, S. Boyer, D. Hecksel, B. Kreydick, S. Laub, A. Panchal, H. Ramirez, S. Schmidt, W. Hartsell, C. Kesslering, M. Gao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-177 : Evaluation of Proton Liver SBRT Plan Robustness to Daily Setup and Anatomy Variations
Y. Lin*, M. Fang, M. Zhu, Q. Wu, C. Willett, F. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-178 : Craniospinal Irradiation Using a Precise Geometric Matching Planning Technique with Dual Scattered Protons
F. Reynoso*, T. Zhao, B. Sun, S. Goddu, L. Santanam, S. Mutic, T. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-179 : Anaysis of the Impact of Setup Uncertainties On Dose to the Organs at the Risk and Plan Robustness Using Normal Tissue Complication Probability in Passive Scattering Proton Beam Therapy
J. Wang*, Y. Li, X. Zhang, H. Li, M. Gillin, X. Zhu, N. Sahoo
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-180 : Robustness of Biological Dose Distribution in Intensity Modulated Carbon Ion Therapy: A Monte Carlo Study
N. Qin*, X. Jia
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-181 : Development, Commissioning, and Evaluation of a New Intensity Modulated Microbeam Proton Therapy System
J. Farr*, V. Moskvin, R. Lukose, S. Tuomanen, M. Gargone, P. Tsiamas, F. Pirlepesov, W. Yao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-182 : Dosimetric Evaluation of Conformal Aperture Multiple Beam Proton Therapy Without a Compensator Using Double Scattering MEVION-S250 System
S. Ferguson*, S. Ahmad, O. Algan, T. Herman, I. Ali
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-183 : Determination of Compensator and Patient Scattered Factors Using Monte Carlo Simulation Techniques for Passively Scattered Proton Beams
M. Prusator*, S. Ahmad, Y. Chen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-184 : Using Experimentally Determined Proton Spot Scanning Operation Parameters to Accurately Model the Beam Delivery Time
J. Shen*, E. Tryggestad, J. Younkin, S. Keole, K. Furutani, Y. Kang, M. Herman, M. Bues
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-185 : Interplay Effect Between Target Motion and Pencil Beam Scanning On Proton Therapy for Pediatric Patients
A. Boria*, J. Stuckey, J. Uh, M. Axente, C. Hua
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-186 : Technical Commissioning of a Proton Treatment Room Converted From Double Scattering to Pencil Beam Scanning
H. Oesten*, E. Cascio, S. Bradley, R. Brett, L. O'Brien, B. Clasie, J. Flanz
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-187 : Evaluation of Proton Dose Distribution Between Analytical Pencil Beam and Monte Carlo Algorithms for Head Neck Treatment
L. Gentry Swan*, L. Song, S. Tang, C. Chang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-188 : An Overview of the Commissioning of a Two-Gantry Proton Pencil Beam Scanning System
Y. Zhang*, E. Lee, Z. Xiao, M. Lamba, A. Mascia
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-189 : Towards Dosimetrically Equivalent Proton Facilities: Golden Beam Data for Proton Pencil Beam Scanning
Y. Zhang*, Z. Xiao, E. Lee, A. Mascia, L. Dong
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-190 : Impact of Proton Pencil Beam Spot Size On Breast Plan Quality
X. Liang*, J. Bradley, D. Zheng, S. Flampouri, M. Ho, Z. Li
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-191 : Sweeping Arc with Gantry Angle Dependent Modulation of Energy (SAME) for Proton Therapy: A Proof of Principle
U. Langner*, H. Chung, W. D'Souza, K. Langen, M. Zhu, B. Yi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-192 : Implementation of a Novel Sweeping Arc with Gantry Angle Dependent Modulation of Energy (SAME) for Proton Therapy Method
U. Langner*, H. Chung, K. Langen, M. Zhu, B. Yi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-193 : Dosimetric and Operational Comparison of Two Snout Sizes for Proton Therapy of Breast Cancer with Lymph Node Involvement
Y. Zheng*, H. Singh, M. Prince
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-194 : Prediction of Optimal Focal Lengths in Magnetically Focused Proton Treatments
G. McAuley*, J. Slater, A. Wroe
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-195 : Evaluation of New 2D Ripple Filters in Scanned Proton Therapy
T. Ringbæk*, U. Weber, A. Santiago, Y. Simeonov, P. Fritz, G. Iancu, A. Wittig, L. Granska, N. Bassler, R. Engenhart-Cabillic, K. Zink
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-196 : Experimental Validation of the Monte Carlo Model of HYPERSCAN™ Pencil Beam Scanning System for Proton Beam Imaging and Radiation Treatment
W. Huo*, T. Zwart, C. Finley, K. Jee, G. Sharp, S. Rosenthal, X. Xu, H. Lu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-197 : Multiple Energy Extraction Reduces Beam Delivery Time for a Synchrotron-Based Proton Spot-Scanning System
J. Younkin*, M. Bues, S. Keole, J. Stoker, J. Shen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-198 : Effectiveness of Dynamic Adaptive Proton Therapy with Computed Tomography Image Guidance in Abdomen
S. Moriya*, H. Tachibana, K. Hotta, N. Nakamura, T. Sakae, T. Akimoto
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-199 : Importance of Secondary Particles Produced in a Tungsten Multislit Collimator for Proton Minibeam Therapy
S. Mossahebi*, J. Snider, F. Dilmanian, S. Krishnan, J. Eley
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-200 : Modernizing Proton Treatments for Ocular Melanoma
C. Bloch*, A. Egan, J. Saini, D. Maes, T. Wong, R. Rengan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-201 : New Analysis Method of Proton Beam Profile Broadenings in Spot-Scanning Proton Nozzle Using Response Function of Angular Distribution
H. Ueda*, T. Matsuura, S. Hirayama, M. Furusaka, K. Umegaki
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-202 : Development of a Ripple Filter with Honeycomb Pattern for Proton Line Scanning
N. Kamiguchi*, Y. Aoki, K. Sasai, T. Miyashita, Y. Mikami
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-203 : Susceptibility of Microcomputers to Malfunction Induced by Neutron Radiation Exposure in Proton Therapy Environments
J. Herrington*, Y. Chen, S. Ahmad, C. Ferreira
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-204 : Feasibility Studies of the Use of An Averaged HU-To-SPR Calibration Curve of Multiple CT Scanners for Dose Calculations in Proton Radiotherapy
H. Chung*, A. Gopal, G. Lasio, H. Xu, S. Mossahebi, J. Polf
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-205 : A Report From One Year Rotational Isocentricity QA for a Commercial 6D Robotic Couch with Half Circle Gantry Proton System
B. Allred*, D. Robertson, J. Lentz, D. Hernandez Morales, J. Younkin, M. Bues, S. Keole, J. Shen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-206 : The Impact of Sitting Positioning On Deviations of Neutron Beam Axis From Condition Pre-Planned with Diagnostic Images in Boron Neutron Capture Therapy
T. Motoyanagi*, K. Hirose, T. Kato, T. Harada, K. Arai, R. Shimokomaki, Y. Takai
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-207 : Clinical Evaluation of Prostate Cancer Patients with Metallic Hip Prosthesis Using Anterior-Oblique and Lateral Proton Beams
S. Rana*, Y. Zheng, G. Larson, J. Bennouna, A. Gutierrez, C. Vargas
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-208 : Dosimetric Impact of Intratreatment Displacement in Accelerator-Based Boron Neutron Capture Therapy (AB-BNCT) for the High-Grade Glioma
T. Kato*, K. Hirose, T. Harada, K. Arai, T. Motoyanagi, R. Shimokomaki, Y. Takai
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-209 : Common Treatment Related Issues and Solutions During Proton Therapy: Seven Years of Experience at a Proton Therapy Center
Y. Zheng*, S. Rana, H. Singh, T. Twyford, L. Zhao, J. Gao, M. Chacko, E. Ramirez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-210 : A Study of the Magnetic Field in the Treatment Room of a IBA ProteusONE Proton Therapy System
Y. Liu*, J. Dugas, K. Chen, H. Wu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-211 : An Automated Check of Cluster Distributions of Spot Maps as a Safety Procedure for IMPT Treatment
Y. Zhang*, B. Jiang, X. Wang, N. Sahoo, M. Gillin, X. Zhu, X. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-212 : Elevated Dose to Normal Tissue Resulting From a Cranial Radiosurgery Error
G. Ding*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-213 : Delivery Complexity Analysis for Tomotherapy Plans Using a Fluence-Based Complexity Index
A. Xing*, S. Deshpande, S. Arumugam, G. Gooze, L. Holloway
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-214 : Validation of 3D Patient-Specific Quality-Assurance Software (COMPASS) Using AAPM TG-119
S. Sharma*, V. Subramani, P. Kumar, S. Bhaskar, S. Pathy, S. Thulkar, N. Gopishankar, S. Chander
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-215 : A Quality Assurance Approach for Linear Accelerator Mechanical Isocenters with Portal Images
M. Zhang, Q. Fan*, Y. Lei, S. Li, S. Zhou
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-216 : Development of a Quality Assurance Software Tool for a New Tomotherapy Machine
G. Chen*, X. Li
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-217 : Material Matters: Concerns with 3D Printed Material Consistency
D. Craft*, R. Howell
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-218 : Comparison of Single and Dual Material 3D Printed Patient-Specific Radiotherapy Phantoms
D. Craft*, M. Peters, G. Baltz, R. Howell
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-219 : Radiobiological Modeling for Assessing Risk to Patients Using Measurement Acquired DVH During Patient Plan Verification
A. Alexandrian*, P. Mavroidis, K. McConnell, N. Kirby, N. Papanikolaou, S. Stathakis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-220 : The Development of Custom, Low-Cost, Anthropomorphic Phantoms Constructed Via Additive Manufacturing
J. Pruett*, L. Muller, S. Ahmad, D. Johnson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-221 : Team Physics Huddle: Redefining Team Work and Communication in Radiation Therapy Physics
R. Gutti*, S. Oddiraju
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-222 : Investigating the Use of the Analytical Hierarchy Process (AHP) as a Tool to Determine Optimal Treatment Plans
A. Brito Delgado*, K. Rasmussen, T. Medrano Pesqueira, D. Cohen, T. Eng, A. Gutierrez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-223 : First Application of the Analytical Hierarchy Process (AHP) to Determine Optimal Prostate Treatment Plans
A. Brito Delgado*, K. Rasmussen, K. Kauweloa, T. Medrano Pesqueira, D. Cohen, T. Eng, A. Gutierrez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-224 : Patient Specific Verification System of IMRT/VMAT Using a CCD-Camera and Phosphor-Screen Based TG-142 QA Tool: Raven QA
M. Lee*, K. Ding, J. Wong, B. Yi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-225 : Real-Time Verification of VMAT Delivery by An Automated Beam Monitoring System
M. Farrokhkish*, M. Islam, R. Heaton, B. Norrlinger, D. Jaffray
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-226 : Keystroke Emulator Device for Automated Service Mode Driven QA Tests
J. Bredfeldt*, S. Hadley, K. Lam
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-227 : Evaluation of Secondary Dose Calculation Software: Ability to Detect Systematic Errors in the Treatment Planning System Beam Model
J. Wong*, W. Warren, K. Homann
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-228 : An On-Line Patient Specific Visual Implementation of Clear Zone Collision Detection Method for Varian Linac
W. Feng*, A. Chu, J. Hu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-229 : A New Physical Phantom for Routine Quantitative QA of Gamma Knife ICON HDMM System
C. Wu*, M. Radevic, J. Glass, S. Skubic
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-231 : Evaluation of Dual-Channel Compound Method On EBT3 Film Dosimetry for Stereotactic Body Radiotherapy Quality Assurance
J. Chung*, S. Kang, T. Suh, W. Cho, J. Lee
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-232 : An Initial Plan Check Procedure Specifically Designed for Fully-Automated Treatment Planning
L. Court*, R. McCarroll, K. Kisling, L. Zhang, J. Yang, H. Simonds, M. du Toit, A. Jhingran, P. Balter, B. Beadle
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-233 : Variations in Treatment Plan Quality for External-Beam Accelerated Partial Breast Irradiation
W. Swanson*, L. Vanbenthuysen, H. Lu, A. Taghian, D. Gierga
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-234 : IROC Houston QA Center S Independent Peer Review Quality Assurance Program for the Veteran Affairs VA Radiotherapy Facilities
P. Alvarez*, A. Molineu, J. Lowenstein, P. Taylor, S. Kry, D. Followill
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-235 : Secondary Neutrons From Clinical Electron Beams
G. Al Makdessi*, J. Kildea, A. Licea
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-236 : Determining the Effectiveness of the Initial Physics Chart Check with the Use of An Electronic Checklist
A. Geyer*, E. Clouser
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-237 : An Investigation of Interfractional Rectum Shape Variations Based On a Statistical Shape Analysis for Prostate Cancer Radiotherapy
M. Haekal*, H. Arimura, Y. Shibayama, T. Hirose, S. Ohga, Y. Umezu, Y. Nakamura, H. Honda, T. Sasaki
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-238 : Risk Assessment for a Low Dose Rate (LDR) Prostate Brachytherapy Procedure Using Failure Modes and Effects Analysis (FMEA)
S. Cheong*, J. Kim, C. Houser, R. Smith
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-239 : Analysis of Clinical Operation of a Linear Accelerator Using FMEA Method
S. Lee*, D. Albani, Z. Xu, J. Cantley, T. Podder
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-240 : Application of Moving Centerline Exponentially Weighted Moving Average (MCEWMA) Control Chart to Detect Real Warning for Daily Range QA in Proton Beams
J. Lah*, D. Shin, G. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-241 : Distribution and Prediction of Stereotactic Body Radiation Therapy Delivery Errors Originating From Linac Radiation Isocenter Instabilities
E. Izaguirre*, A. Wiles, T. Knewtson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-242 : Evaluation of the Gated Radiation Therapy Technique for Lung Cancer: A Simulation Study
s. shahzadeh*, s. gholami, M. Aghamiri, H. Mahani, M. Nabavi, F. Kalantari
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-243 : Effects of ITV/PTV Electron-Density Overrides for Lung SBRT VMAT When Using Monaco XVMC and AcurosXB
G. Owen*, D. To, A. Harrison, P. Charpentier, Y. Yu, T. Li
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-244 : Margin Reduction Via 4D-Robust Optimization for VMAT Lung Radiotherapy
K. Yang*, H. Chen, L. De Souza Lawrence, J. McGlade, K. Andreou, J. Noonan, F. Mourtada
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-245 : Dosimetric Verification of Photon Robust Plan with Intra-Fraction Organ Motion
C. Liu*, K. Xie, D. Pearson, N. Sperling, E. Parsai
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-246 : The Value of Equivalent Uniform Dose (EUD) of the Lung in the Prediction of Radiation Pneumonia Under the Volumetric Modulation Arc Radiotherapy (VMAT) Technique
x. Li*, c. wang, j. Gu, Q. Deng, S. Ma, T. Niu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-247 : Comparison of Volumetric Modulated Arc Therapy and Intensity Modulated Radiation Therapy for Whole Brain Hippocampal Sparing Treatment Plans Based On Radiobiological Modeling
E. Kendall*, O. Algan, S. Ahmad
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-248 : Comparison of Radiobiological Models in Predicting TCP and NTCP for IMRT and VMAT Treatments
V. Subramani*, M. Radhakrishnan, A. Nambiraj, M. Manavalan, S. Chitra, M. Venkataraman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-249 : Reduced Expected Risk for Xerostomia After Radiotherapy for Head and Neck Tumors Based On New Dose Constraints for the Contralateral (parotid and Submandibular) Glands
P. Mavroidis*, M. Kostich, K. Hedrick, B. Chera, D. Fried, L. Marks, S. Das
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-250 : Towards Evaluating the Biological Impact of Increased Scattered Radiation in Highly Modulated Radiation Beams
H. Nusrat*, G. Pang, A. Medrek, S. Ahmad, B. Keller, A. Sarfehnia
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-251 : ROE: Radiotherapy Outcomes Estimator - An Open-Source Tool for Modeling Radiotherapy Outcomes
A. Iyer, A. Jackson*, A. Apte, M. Thor, J. Deasy
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-252 : Direct Comparison Between Elekta IViewDose and PTW OCTAVIUS 4D for Dosimetric Verification of IMRT and VMAT Treatments
I. Olaciregui Ruiz*, B. Mijnheer, J. Kaas, T. Perik, B. Vivas-Maiques, A. Mans
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-253 : Comparison of Varian AS1000 and AS1200 EPID Panels for Portal Dosimetry (PD) with Millennium Standard (SD) and High Definition (HD) 120 MLCs
V. Pigrish*, L. Huang, A. Paxton, V. Sarkar, H. Zhao, Y. Huang, F. Su, M. Szegedi, P. Rassiah-Szegedi, B. Salter
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-254 : Using the Varian Portal Dosimetry Scripting API to Establish Action Levels for IMRT QA
J. Paisley*, J. Seger-Paisley
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-255 : Remote Dosimetric IMRT Auditing Using EPID Derived Doses in Patient CT Model and DVH Analysis
P. Greer*, R. David
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-256 : Single Target Radiosurgery Quality Assurance with Portal Dosimetry
E. Covington*, J. Snyder, X. Wu, R. Popple
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-257 : Investigating the Electronic Portal Imaging Device for Small Radiation Field Measurements
J. Koilpillai*, A. Agarwal, N. Nikhil Rastogi, S. Yoganathan, D. Udayakumar, S. Kumar
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-258 : Beyond Catching Big Errors: Implementation and Clinical Use of a Commercial EPID Dosimetry Platform to Quantify Small Daily Clinical Treatment Variations and Trends
S. Dieterich*, D. Hernandez, S. Benedict, R. Fragoso, S. Rao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-259 : A Novel EPID-Based 3D Dose Reconstruction for IMRT QA
A. Alhazmi*, C. Gianoli, S. Neppl, S. Veloza, J. Martins, M. Podesta, F. Verhaegen, M. Reiner, C. Belka, K. Parodi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-260 : The Sensitivity of Gamma Index to Detect MLC Positioning Errors Using Varian EPID and ArcCHECK for Patient-Specific VMAT QA
B. Maraghechi, J. Darko*, J. Davis, N. Mitchell, M. Shah, E. Osei
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-261 : Transit Dosimetry for VMAT Lung Dose Verification
J. Dumas*, E. Biggs, L. Sandra, S. Krihli, S. Helfre, A. Mazal
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-262 : Commissioning and Validation of the TrueBeam AS1200 Portal Imager for Patient Specific, Pre-Treatment QA of VMAT Plans
D. Wieczorek*, V. Mishra, A. Gutierrez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-263 : EPIQA as Patient Specific Quality Assurance Tool for VMAT
V. Subramani*, M. Radhakrishnan, A. Nambiraj, M. Manavalan, S. Chitra, M. Venkataraman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-264 : Quantifying the Performance of Two Different Types of Commercial Software Programs for 3D Patient Dose Reconstruction: Machine Log-File Vs. Machine Log-File with EPID Image
N. Kadoya*, Y. Kon, Y. Takayama, Y. Katsuta, N. Hayashi, K. Ito, S. Dobashi, K. Sato, K. Takeda, K. Jingu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-265 : Dose Rate Response of Digital Megavolt Imager Detector for Flattening Filter-Free Beams
Z. Xu*, J. Kim, J. Han, A. Hsia, S. Ryu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-266 : The Influence of Steep Dose Gradients On the Sensitivity to Errors of IMRT QA Analyzed with Gamma
J. Steers*, B. Fraass
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-267 : Dosimetric Impact of Hysteresis On Lung Cancer Tomotherapy
K. Zhang*, J. Dai, Z. Hu, C. Niu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-268 : When a Half Dozen Does Not Equal Six: Aligning Plan Dose to Shifted Measurements with a Commercial Cylindrical Phantom for IMRT QA
B. Leong*, L. Padilla, J. Evans
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-269 : Efficacy of Dose Reconstruction Algorithm for Non Coplanar Beams in Octavius 4D System
M. Manavalan*, D. Manigandan, V. Subramani, M. Venkataraman, S. Chitra, G. Krishnan, K. Velan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-270 : Validation of Two Different Calibration Methodologies During Volumetric Modulated Arc Therapy (VMAT) Plan Verification in PTW Verisoft Software
M. Kumar*, D. Manigandan, P. Mohandass, A. Puri, P. Kumar, N. Bhalla
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-271 : Evaluation of Measurement-Guided 4D Dose Reconstruction with Motion as a Perturbation Using IPAGAT Polymer Gel Dosimeter
K. Ono*, S. Fujimoto, S. Hayashi, K. Hioki, M. Miyazawa, Y. Akagi, Y. Hirokawa
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-272 : Excessive IMRT Patient Dose Due to the MLC Misalignment and Its Determination Using Archeck From Sun Nuclear
E. Lief*, P. Jeffe, J. Restrepo, A. Cheuk
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-273 : On the Dosimetric Influence of Reference CT Selection for Patient Specific Quality Assurance Using the ArcCheck
U. Robins*, T. Romaguera, D. Wieczorek, V. Mishra, A. Gutierrez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-274 : Sensitivity of Patient Specific IMRT QA to Errors in the Dosimetric Leaf Gap
D. Bollinger*, B. Sun
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-275 : Consistency of Multi-Institutional Quality Assurance for Nasopharynx Volumetric Arc Therapy (VMAT)
D. Thwaites*, E. Pogson, S. Arumugam, C. Hansen, M. currie, S. Blake, N. Roberts, M. Carolan, P. Vial, J. Juresic, J. Yakobi, A. Haman, A. Trtovac, L. Holloway
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-276 : Is Patient Specific QA Needed for Field-In-Field Technique?
P. Galavis*, J. Kelley, O. Volotskova, H. Wang, N. Sanfilippo, I. Das
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-277 : Commissioning of a Model Based 3D Second Check and PSQA System
B. Bismack*, A. Gopal, N. Wen, J. Kim, E. Laugeman, M. Dumas, B. Miller, I. Chetty
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-278 : Plan-Specific Dose Calibration for IMRT QA
W. Luo*, Y. Meng
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-279 : Impact of Plan Complexity On the Delivery Accuracy and Dosimetric Accuracy of Volumetric-Modulated Arc Therapy
G. Li*, Y. Li, Q. Wang, J. Xiao, S. Bai
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-280 : Prediction of Gamma-Passing Rate Based On Dose Uncertainty Accumulation Model for IMRT
E. Shiba*, A. Saito, M. Tsuneda, M. Furumi, K. Yahara, T. Ohguri, Y. Murakami, T. NIshio, Y. Korogi, Y. Nagata
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-281 : Density Scaling of Phantom Materials for a 3D Dose Verification System
K. Tani*, Y. Fujita, A. Wakita, R. Miyasaka, R. Uehara, D. Kawai, Y. Suzuki, A. Aikawa, N. Mizuno, H. Saitoh
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-282 : Impact and Role of Calculated and Reconstructed Dose Grid Size On Gamma Results in Octavius 3D Dosimetry System
M. Manavalan*, D. Manigandan, V. Subramani, M. Venkataraman, G. Krishnan, S. Chitra, K. Velan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-283 : Effect of Dose Plane Resolution On IMRT Plan Verification
N. Manohar*, J. Rosenfield, E. Elder, A. Dhabaan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-284 : Anatomically-Based Log File QA Using Monte Carlo as An Alternative Patient-Specific QA Technique
C. Stanhope*, J. Liang, D. Drake, D. Yan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-285 : Comprehensive Patient Specific IMRT QA Comparing Mobius3D to Typical Methods of Evaluation
D. Fiedler*, A. Basavatia, W. Tome
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-286 : The Impact of Measurement Uncertainty On the Dose Map Analysis of VMAT Verification Plans
G. Sandhu*, K. Kohli, S. Szpala
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-287 : Is Patient-Specific IMRT QA Needed for TomoTherapy 3D Conformal Radiation Therapy (3D-CRT) Treatment Plans?
A. Besemer*, J. Smilowitz, M. Geurts
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-288 : Clinical Implementation of the New Dosimetry System for TomoTherapy Patient Delivery Quality Assurance (DQA)
E. Chung*, D. Kwon, T. Park, H. Kang, Y. Chung
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-289 : Can CyberKife Plans with Small/Narrow MLC Segments Be Effectively Assessed by a Diode Array?
C. Shang, J. Cole, T. Neupane*, A. Schramm, G. Gibbard, M. Rahman, U. Dona
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-290 : Impact of Phantom Rotation and Dose Gradient On 3D Gamma Evaluation
K. Kim*, D. Kim, T. Kim, S. Kang, D. Shin, M. Cho, Y. Noh, T. Suh
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-291 : Feasibility and Sensitivity of Individual Volume Based 3D Gamma Indices for Composite IMRT QA
X. Jin*, C. Han, C. Xie
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-292 : Hybrid Arc: Combination of IMRT and VMAT Techniques in the Treatment of Prostate Cancer- A Planning Study
Y. Saglam*, A. Bingolbali, Y. Bolukbası, V. Alpan, U. Selek
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-293 : 3D Dose Verification for Highly Modulated Treatments Using a Transmission Detector Array
N. Manohar*, J. Rosenfield, E. Elder, A. Dhabaan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-294 : Dosimetric Evaluation of Respiratory-Gated VMAT On a Versa HD Linear Accelerator
J. Snyder*, R. Flynn, D. Hyer
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-295 : Radiobiological Comparison of Planned and Delivered Prostate IMRT/VMAT Plans Using 3DVH Software
K. Hedrick*, L. Rankine, R. Chen, S. Das, P. Mavroidis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-296 : Evaluation of Patient-Specific Quality Assurance Based On Different Methods
T. Yang, B. Qu, X. Dai, C. Xie, X. Wang, X. Cong, J. Wang, S. Xu*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-297 : Calibration of a 2D Planar Diode Array with An Integrated Ion Chamber
J. Barbiere*, J. Napoli, A. Ndlovu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-298 : Impact of Verification Planning Phantom Geometry to the Pre-Treatment IMRT QA Gamma Passing Rate
M. Su*, L. Tena, S. Sura
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-299 : Evaluation of An Automated Treatment Planning Verification System for Intensity- Modulated Radiotherapy Treatment Planning
X. Liu*, Y. Yin, x. lin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-300 : Novel Approach to Patient Specific QA for VMAT Treatment Plans Using RadCalc Image Analysis Tool in Conjunction with Machine Trajectory Files
F. O'Grady*, C. Fitzherbert, F. Zhou, C. Hand
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-301 : A Fast and Optimized Patient-Specific Quality Assurance Method for Helical Tomotherapy Total Body Irradiation Using a 2-D Array Detector
J. Fang*, X. Zhang, Q. Yue, G. Narayanasamy, J. Penagaricano, L. Peacock, S. Maraboyina, F. Xia, S. Morrill
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-302 : A Comprehensive Evaluation of Volumetric Modulated Arc Therapy (VMAT)
S. Jang*, M. Kuckarski, A. Pyakuryal, T. Sio, J. Hanley
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-303 : Correlation Between the Gamma Pass Rate and the Clinically Relevant Index Based On Measurement-Guided Reconstructed Dose in Two Commercial Treatment Planning Systems for Breast Tangential IMRT
A. KANEKO*, I. SUMIDA, K. TAMARI, K. OHTANI, O. SUZUKI, Y. SEO, F. ISOHASHI, Y. YOSHIOKA, K. OGAWA
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-304 : Commissioning and Evaluation of the NanoDot OSLD as In-Vivo Dosimeter for Intrabeam Radiotherapy
P. Yan*, R. Shih
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-305 : Energy Correction of TLD Dosimetry at Out-Of-Field Region for Arc Therapy
J. Yoon*, R. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-306 : Methodology for in Vivo Dosimetry Using TLD-100 for Radiotherapic Treatment
B. TEIGA RODRIGUES*, P. DOMINGUES DE SOUZA, C. Daruich de Souza, M. Chuery Martins Rostelato, C. Zeituni, B. Ribeiro Nogueira, J. de Oliveira Marques, A. Sorgatti de Souza
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-307 : Dosimetric Impact of Placement Errors in Optically Stimulated Luminescent in Vivo Dosimetry
M. Tariq*, C. Gomez, A. Riegel
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-308 : In Vivo Peripheral Dose Measurements in IMRT and CyberKnife Treatments Using Gafchromic EBT3 Films
G. Krishnan*, M. Venkataraman, M. Manavalan, J. Velmurugan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-309 : Dosimetric Effect of Unwanted Bolus-Air Gap On Surface Dose in Head and Neck and Chest Wall VMAT Treatments
Z. Xu*, M. Yao, T. Biswas, Y. Zheng
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-310 : Quantification of Signal Strength Variation Between OSLD Drawers
K. Rasmussen*, J. Roring, N. Astorga, R. George, D. Stanley, S. Stathakis, D. Saenz, A. Gutierrez, Z. Shi, N. Papanikolaou
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-311 : Feasibility Study of CBCT Dose Measurements with Tissue-Equivalent Thermoluminescense Sheet
C. Kurokawa*, A. Urushiyama, T. Inoue, K. Usui, S. Sugimoto
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-312 : In-Vivo Measurements for Single and Multi-Fractional TBI Using OSLDs and Ion Chamber
K. Vittal*, S. Singh, s. osman, K. Jassal, B. Sarkar, U. Giri, T. Ganesh, A. Munshi, B. Mohanthi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-313 : A Novel Study On a Fixed-Jaw Method IMRT Planning in Peripheral Lung Cancer Combined with Mediastinal Lymph Node Metastasis
H. Wang, H. Wang*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-314 : Optimization of Leaf Sequence for Multileaf Collimator in Lumbar Vertebrae IMRT Using Multiple Algorithms
J. Jia, H. Lin, J. Chow*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-315 : Preliminary Application of Using a Knowledge Based Planning Model for Left Breast Cancer
x. lin*, X. Liu, Y. Yin, T. Sun
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-316 : Dose-Mass- and Dose-Volume-Optimization Sensitivity to Anatomical Changes During RT
M. De Ornelas-Couto*, E. Bossart, I. Mihaylov
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-317 : Finding the Optimal Treatment Modality for Hippocampal Avoidance Whole Brain Radiation Therapy (HA-WBRT)
S. Zieminski*, M. Khandekar, Y. Wang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-318 : A Hyper-Parameter Optimization Approach to Automated Radiotherapy Treatment Planning
S. Haaf*, V. Kearney, Y. Interian, G. Valdes, T. Solberg, A. Perez-Andujar
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-319 : An Integrate Strategy: Combination of Biological and Dose-Volume Constraints in IMRT Optimization
Z. Feng*, C. Tao, J. Zhu, J. Chen, G. Yu, S. Qin, Y. Yin, D. Li
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-320 : What Is the Impact of Specific Vs. Combined Purpose Model Library in Knowledge Based Planning?
E. Bossart*, M. Duffy, G. Simpson, M. Abramowitz, A. Pollack, N. Dogan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-321 : Achieving Both High Plan Quality and High Delivery Efficiency with Hybrid Radiation Therapy Combining Fixed-Field IMRT and VMAT
G. Kirlik*, W. D'Souza, H. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-322 : Evaluation of Different Knowledge-Based Planning Model for Esophageal Cancer
C. Tao*, T. Liu, J. Lu, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-323 : Direct Aperture Optimization Utilizing L0-Penalty Based Total Count Variation Regularization
D. Nguyen*, D. O'Connor, Q. Lyu, D. Ruan, K. Sheng
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-324 : Evaluation of a Novel Multi-Criteria Optimization Algorithm in a Commercially Available Treatment Planning System
D. Christ*, D. DiCostanzo, A. Ayan, J. Woollard, N. Gupta
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-325 : Develop and Evaluate a Non-Coplanar IMRT Treatment Plan Optimization System
Y. Li*, B. Liu, T. Song, S. Xu, B. Liang, X. Xu, B. Guo, R. Wei, F. Zhou
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-326 : Can a Knowledge-Based Planning Solution Increase Inter-Operator Standardization of Head and Neck VMAT Treatment Plans?
A. Scaggion*, M. Fusella, N. Pivato, M. Rossato, S. Bacco, A. Roggio, L. Arana Peña, M. Paiusco
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-327 : VMAT Optimization and Dose Calculation in the Presence of Metallic Hip Prostheses
H. Parenica*, R. George, E. Bowers, P. Mavroidis, Z. Shi, Y. Li, W. Jones, C. Ha, N. Papanikolaou, S. Stathakis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-328 : Hydrogel Separation for Rectum Sparing by Knowledge-Based Planning in Cervical Cancer
C. Tao*, C. Ma, T. Liu, J. Lu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-329 : Advantages of Multi-Criteria Optimisation in Volumetric Modulated Arc Radiotherapy Treatment Planning for Pancreatic Cancer
A. Johnston*, A. Johnston, R. Valentine
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-330 : Evaluation of a RapidPlanTM Model Trained with Mulit-Criteria Optimised Test Cases for Knowledge Based Planning of Pancreatic Radiotherapy Plans
P. Houston*, P. Houston, G. Currie
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-331 : Optimized 4π Radiotherapy Planning for Cochlear Dose Reduction in Acoustic Neuroma Treatment
K. Woods*, T. Kaprealian, P. Lee, K. Sheng
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-332 : A IMRT Method Sparing of Cardiac Structures Compared to Volumetric Modulated Arc Radiotherapy
T. Sun*, x. lin, G. Zhang, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-333 : Patient-Specific Prediction Guided Automatic Treatment Planning for Intensity Modulated Radiotherapy
Y. Mai, Y. Li, L. Zhou, T. Song*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-334 : Dosimetric Impact of Optimization Resolutions Using the New Photon Optimizer Algorithm in Eclipse Treatment Planning System
S. Li*, M. Wang, Y. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-335 : Dosimetric Impact of Leaf Interdigitation in Breast Cancer Fixed-Field Intensity-Modulated Radiation Therapy
J. Duan*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-336 : Automatic Treatment Planning for Whole Breast Radiation Therapy Using Hybrid IMRT
B. Guo*, C. Shah, P. Xia
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-337 : A Dosimetric Comparison of Volumetric Modulated Arc Therapy and Tomotherapy with Simultaneous Integrated Boost for Rectal Cancer
T. Sun*, x. lin, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-338 : Beam Complexity and Monitor Unit Efficiency in Volumetric Modulated Arcs Therapy for Left-Sided Breast and NPC Plans
c. li*, J. Lu, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-339 : Reduction of Normal Brain Dose by Optimizing Irradiation Angles for VMAT in Multiple Brain Metastases
N. Yamaura*, F. Araki, T. Ohno
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-340 : Using Robust Optimization in Raystation to Achieve Flash in Breast VMAT Plans
C. Kalavagunta*, G. Lasio
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-341 : Comparison of Regression Methods for Knowledge-Based Planning
J. Zhang*, Y. Ge, T. Xie, Y. Sheng, F. Yin, Q. Wu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-343 : Assessment and Comparison of Homogeneity and Conformity Indexes in Step and Shoot and Compensator Based Intensity Modulated Radiation Therapy (IMRT) and Three Dimensional Conformal Radiation Therapy (3D CRT) in Prostate Cancer
m. salimi*, K. Shirani, H. Nedaie, H. Hassani, H. Gharaati, M. Samei, R. Shahi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-344 : Comparison of Penumbra Regions Produced by Gamma Knife Model C and Gamma ART 6000 Using Monte Carlo MCNP6 Simulation
N. Banaee*, S. Asgari, H. Nedaie
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-345 : Monte Carlo Calculation of Photo-Neutron Dose Produced by Circular Cones at 18 MV Photon Beams
N. Banaee, E. Hosseinzadeh, H. Nedaie*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-346 : Determination of Dose Distribution and Penumbra Width in Compact Linac Half Beam Blocked Fields Shaped by Collimator Jaw and External Shield Using Radiochromic Film and Monte Carlo Simulation
N. Banaee, F. Dinmohammadpour, H. Nedaie*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-347 : Monte Carlo Calculation of Zinc Oxide Nanoparticles Enhanced Dose & Comparison with Radiochromic Dose Measurements
N. Banaee, H. Nedaie*, D. Khezerloo
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-348 : Relative Neutron Damage to Cardiovascular Implantable Electronic Devices: A Monte Carlo Study
M. Studenski*, A. Ezzati
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-349 : Influence of Electron Transport Parameters On Monte Carlo Based Treatment Planning
G. Mora*, A. Eldib, J. Li, C. Ma
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-350 : A Monte Carlo Based Dose Verification Tool for Gamma Knife Radiosurgery Treatment
J. Yuan*, J. Sohn, C. Cheng, B. Wessels, A. Kumar, D. Mansur, M. Machtay
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-351 : A Comprehensive Geant4 Monte Carlo Model of Multileaf Collimator for Varian TrueBeam Linac
P. Kandlakunta*, T. Zhang, S. Mutic, R. Khan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-352 : Coupled Photon-Electron Monte Carlo Simulation for Heterogeneous Computing Systems
E. Doerner*, C. Rebolledo, V. Gomez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-353 : Commissioning of a New Wireless Volumetric QAsystem (Delta4 Phantom+) for a Monte Carlo Treatment Planning System
C. Cheung*, F. Lee, K. Leung
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-354 : An Investigation of Radiation Dose Enhancement at the Water-Gold Interface and Its Correlation with Free Radical Generation
K. Xie*, C. Liu, E. Parsai, D. Shvydka
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-355 : Monte Carlo Study of the Influence of Energy Spectra, Mesh Size, High Z Element On Dose and PVDR Based On 1-D Heterogeneous Model and 3-D Mouse Head Phantom for Microbeam Radiation Therapy
H. Lin*, J. Jia, L. Xu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-356 : A Monte Carlo Evaluation of Flattening-Filter-Free MV Photon Dose Distributions in the Presence of High-Z Metals
B. Ispir*, N. Sarigul, K. Yenice, H. Schlattl, Z. Yegingil
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-357 : A Novel GPU-Based Fast Monte Carlo Photon Dose Calculating Method for Accurate Radiotherapy Treatment Planning
M. Tavakoli*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-358 : PHITS Monte Carlo Dose-Verification of VMAT Treatment Plan with HD120MLC
N. Nagaishi*, F. Araki, T. Ohno, S. Hashimoto
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-359 : Towards Monte Carlo Model Validation of the Optical Properties in Light Guides Used for Scintillation Dosimetry
E. Simiele*, W. Culberson, L. DeWerd
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-360 : A Method to Accurately Estimate Out-Of-Field Organ Dose Based On the Calculations From a Commercial Treatment Planning System
L. Wang, G. Ding*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-361 : Assessment of Knowledge-Based Rapidplan Model for Patients with Postperation of Cervix Cancer
C. Ma*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-362 : How to Create a Robust Knowledge Based Rapidplan Model for Patients with Postoperation of Cervix Cancer?
C. Ma*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-363 : Dosimetric and Radiobiological Evaluation of Multiparametric MRI-Guided Dose Painting in Radiotherapy of Prostate Cancer
M. Tavakoli*, I. Abedi, K. Jabbari, A. Amouheidari
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-364 : Dosimetric Comparison of Intensity-Modulated Radiotherapy and Volumetric Modulated Arc Radiotherapy for the Treatment of Multiple Intracranial Metastases
X. Liu*, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-365 : A Statistical-Based Treatment Plan Prediction Method
J. Lu*, W. Hu, J. Wang, J. Fan, G. Qing, L. Huang, H. Ying
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-366 : Analysis of the Elekta Agility MLC Performance Using High Resolution Log Files
C. Kabat*, A. Alexandrian, D. Defoor, P. Myers, N. Kirby, N. Papanikolaou, S. Stathakis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-367 : Dosimetric Comparison of Manual and Beam Angle Optimization of Gantry Angles in IMRT for Cervical Cancer
x. lin*, Y. Yin, T. Sun, X. Liu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-368 : Dosimetric Indices From Automated Planning Versus Geometric Conformity Indices for the Evaluation of Contour Accuracy in Head-And-Neck Cancer
T. Lim*, E. Gillespie, J. Murphy, K. Moore
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-369 : Dosimetric Comparison of Non-Small-Cell Lung Cancer with Helical Tomotherapy Plans and Intensity-Modulated Radiation Therapy Plans
Z. Liang*, Z. Zhang, R. Zhou
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-370 : A New Method for Defining the Conformity of Treatment Plan Based On Similarity Measurement
J. Duan*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-371 : Comparison of Two VMAT Planning Techniques Using Planned and Delivered Dose Distributions
D. Mathew*, S. Edlund, Y. Watanabe
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-372 : Three-Field Conformal Radiation Therapy for Palliation of Vertebral Metastasis: Beyond Parallel-Opposed Fields
J. Zhang*, L. Lawrenson, J. Moayyad, J. Cho-Lim, S. Lee, W. Inouye
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-373 : Comparison of Sparing Rectal Tissue in Stereotactic Ablative Radiation Therapy (SABR) in Prostate Cancer for Injectable Spacer Gel and Rectal Balloon
N. Hassan Rezaeian*, R. Jones, N. Desai, R. Hannan, X. Jia, M. Folkert
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-374 : 3D Dosimetry of a Simulated Prostate Treatment in the Presence Metallic Femoral Prostheses
D. Cuevas Rojas, J. Pavoni, O. Baffa*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-375 : Feasibility Study of Checking Treatment Plans Using a Third-Party Treatment Planning System
Z. Zhang*, H. Tang, T. Cheng, Y. Lu, Y. Zhang, G. Liu, Z. Jin, Z. lv, Y. Hu, x. yang, Z. Liang, R. Zhou, L. Shen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-376 : Reducing Inter-Operator Variability in Prostate VMAT Treatments with a Commercially Available Knowledge-Based Planning Solution
M. Fusella*, A. Scaggion, M. Rossato, N. Pivato, S. Bacco, A. Roggio, L. Arana Peña, M. Paiusco
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-377 : A Comparison of VMAT and IMRT Treatment Plans for Four Clinical Sites at a Mixed-Machine Cancer Center
E. Schnell*, S. Ahmad, S. Thompson, O. Algan, C. Bogardus, T. Herman, T. De La Fuente Herman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-378 : GammaPod Versus Cyberknife: A Dosimetric Comparison of Stereotactic Radiotherapy for Early Stage Breast Cancer as An APBI Modality
X. Zhu*, Y. Niu, S. Lei, J. LisChalk, G. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-379 : Incorporating Patient Random Irregular Respiratory Motion Effect Into Radiotherapy Dose Calculation
S. Zhou*, D. Zheng, S. Wang, Q. Fan, X. Wang, C. Enke
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-380 : A DICOM-RT Toolkit for Post Treatment Planning Evaluation
V. Lahanas, E. Pappas, N. Papanikolaou, S. Stathakis*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-381 : Dosimetric Comparison of Different Beam Energy in Breast Field-In-Field Forward Treatment Planning
T. Tseng*, J. Tam, A. Powers, V. Dumane, S. Green, Y. Lo
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-382 : Computational Analysis for Dose Distributions of Cold Spots in Intensity Modulated Radiotherapy for Prostate Cancer
R. Asamura*, H. Arimura, M. Soufi, S. Ohga, H. Honda, T. Sasaki
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-383 : Leaf Interdigitation Can Improve the Plan Quality for Multiple Isolate Targets NSCLC Sliding Window IMRT Plans in Monaco
J. Duan*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-384 : Effect of Beam Geometry and Number of Arcs On VMAT Planning for Large Field Head and Neck Cancer Patients: A Treatment Planning Study
S. Srivastava*, P. Metuge, D. Pinnaduwage, N. Thawani, X. Yan, C. Ord, S. Patel, S. Mutyala, S. Sorensen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-385 : To Study the Feasibility of Targeted Dose Escalation for High Metabolic Region in Radiotherapy of Locally Advanced NSCLS
H. Deng*, G. Gong, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-386 : Combination of Volumetric Modulated Arc Therapy (VMAT) and Partially Wide Tangents (PWT) for Improved Sparing of the Ipsilateral Lung and Heart Compared to VMAT Or PWT Alone
V. Dumane*, Y. Lo, S. Green
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-387 : The Dosimetric Impacts of Vertebral Implants (pedicle Screw And/or Bone Cement) On Spinal Cord
B. Zhao*, M. Zhang, J. Yin, X. Gao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-388 : Generalized Beam Modulation Based Dosimetric Leaf Gap Determination Scheme
T. Chen*, N. Yue
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-389 : Development and Clinical Implementation of Radiotherapy Planning Supporting System
Y. Adachi*, M. Nozue, T. Matsunaga, N. Hayashi, R. Yada
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-390 : An End-To-End VMAT QA Procedure Using a Customized Anthropomorphic Phantom Head
P. Iwai*, S. Hara
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-391 : Variations of Dose Volume Histogram Calculated Using MiM and Eclipse Software
H. Geng*, H. Zhong, M. Huang, F. O'Grady, C. Cheng, S. Ryu, F. Yin, Y. Xiao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-392 : Monte Carlo Treatment Planning for a New Co-60 Total Body Irradiator
M. Snyder*, R. Halford, J. Burmeister, B. Loughery, A. Nalichowski, T. Bossenberger, G. Baran, J. Rakowski, K. Masi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-393 : Theoretical Investigation of Relationship Between Rectal Motion and Wall Thickness
G. Grigorov, J. Chow*, G. Bauman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-394 : Evaluation of An AAA to Acuros Transition On Clinic Efficacy and Dosimetric Decision Making
L. Muller*, S. Ahmad, D. Johnson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-395 : Quantification of Potential and Clinical Improvement in Head and Neck IMRTOAR Sparing Using a Feasibility DVH Derived From a 3D High Gradient Dose Spread Model
D. Fried*, M. Kostich, B. Nelms, B. Chera, S. Das
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-396 : Treatment Delivery Fidelity for 2 Head and Neck Treatment Techniques
P. Rassiah-Szegedi*, S. lloyd, F. Su, L. Huang, Y. Huang, Y. Hitchcock, H. Zhao, M. Szegedi, A. Paxton, B. Salter
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-397 : Is It Feasible to Use Manufacturer-Installed Pre-Configured Radiation Beams in a Commercial Treatment Planning System?
G. Ding*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-398 : The Capability and Characteristic of Helical Tomotherapy at Sparing Hippocampus in Lung Cancer Prophylactic Cranial Irradiation
J. Zhu*, H. Li, L. Fu, J. Gu, T. Bai, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-399 : Influence of Statistical Uncertainty On Monaco Monte-Carlo Dose Calculation
S. Sharma*, V. Subramani, P. Kumar, N. Gopishankar, S. Bhaskar, S. Pathy, S. Thulkar, S. Chander
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-400 : It Is Not Safe to Apply Popular CTV-PTV Margins for Patients with Tomotherapy
Y. Tong*, G. Gong, P. Cheng, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-401 : The Influence of Different Beamlet Width On Volumetric Modulated Arc Therapy Plan Quality and Delivery for Glioblastoma Brain Tumor Patients
P. Mohandass*, D. Khanna, D. Manigandan, M. Kumar, A. Puri, N. Bhalla
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-402 : Absolute Dose Verification of FFF Beams for AAA Algorithm Using CIRS Electron Density Phantom
V. Mhatre*, P. Patwe
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-403 : Dosimetric Impact of Statistical Uncertainty On Monte Carlo Dose Calculation in Monaco TPS Volumetric Modulated Arc Therapy for Lung Cancer
P. Mohandass*, D. Khanna, D. Manigandan, M. Kumar, A. Puri, N. Bhalla
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-404 : Modified Dynamic-Conformal-Arc Study for Multiple Anatomic Sites at Standard Dose Fractionation
R. Foster*, H. Parks, M. Xu, M. Pankuch, M. Stutz
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-405 : Treatment Plan Quality Improvement in Head and Neck Radiotherapy Based On New Dose Constraints for the Contralateral (parotid and Submandibular) Glands
M. Kostich*, K. Hedrick, S. Sutton, B. Motley, D. Fried, B. Chera, S. Das, R. Adams, P. Mavroidis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-406 : OPTIMIZER, a New Optimization Algorithm for a Co-60 Arc Therapy Machine
O. Chibani*, C. Ma
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-407 : Evaluation of Organs at Risk (OAR) Sparing in Left Breast Irradiation Techniques
A. Saini*, I. Das, C. hwang, M. Biagioli
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-408 : Impact of Photon Energy On Volumetric Modulated Radiotherapy Plans for the Hodgkin's Lymphoma Patients Under Deep Inspiration Breath-Hold
D. Manigandan*, M. Kumar, P. Mohandass, A. Puri, P. Kumar, N. Bhalla
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-409 : Application of Fixed Collimator Technique in the Treatment of Breast Cancer After Radical Mastectomy with Intensity- Modulated Radiotherapy
G. Zhang*, J. Lu, C. Ma, T. Sun, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-410 : To Measure Dose Volume Variations Amongst the Pelvis IMRT Plans
c. li*, J. Lu, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-411 : Dosimetric Advantage of Volumetric Modulated Arc Therapy in the Treatment of Intraocular Cancer
X. Jin*, Z. Deng, C. Xie
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-412 : Efficient Method of Metal Artifact Correction for Breast Tissue Expander
J. Park*, A. Morrow, A. McVicker, A. Altman, M. Deveau, S. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-413 : Accuracy Assurance of Computed Lung IMRT Dose Distributions for Treatment Response Analyses: Two Commercial Algorithms Vs Monte Carlo
O. Vassiliev*, Z. Liao, R. Mohan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-414 : Dose-Volume Dependence of Targets and Critical Organs On the Dose Calculation Resolution in Prostate VMAT Plan
J. Chow*, R. Jiang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-415 : Prostate IMRT and VMAT Plan Evaluation Using the PTV Dose-Volume Factor Based On the Guassian Error Function
J. Chow*, R. Jiang, A. Kiciak, D. Markel
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-416 : Dose Calculation in Metallic Prosthesis for Pinnacle and RayStation
L. Archambault*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-417 : Monte Carlo Finite-Size Pencil Beam Dose Calculation Engine for Accurate Radiotherapy
H. Zheng*, H. Wang, R. Cao, J. Song, T. He, Y. Wu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-418 : Planning Study of Dose Escalation with Biodegradable Spacer in Stereotactic Body Radiotherapy for Pancreatic Cancer
Z. Feng*, D. Li, A. Rao, E. Shin, L. Su, S. kim, J. Wong, A. Narang, J. Herman, K. Ding
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-419 : Planning Study of Stomach Sparing by Biodegradable Hydrogel Spacer in Stereotactic Body Radiotherapy for Pancreatic Cancer
Z. Feng*, D. Li, A. Rao, L. Su, J. Wong, A. Narang, J. Herman, K. Ding
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-420 : A Comparative Study of Dose Calculation Algorithms for In-Field and Out-Of-Field Conditions
P. Ramachandran*, A. Tajaldeen, K. Roozen, D. Taylor, D. Wanigaratne, M. Geso
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-421 : To Find a Appropriate MLC Expansion Aperture for the Radiotherapy of Lung Cancer
x. lin*, Y. Yin, T. Sun, X. Liu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-422 : A New Beam Model for the Total Scatter Factor Stot(c,s): Application to Small Field Dosimetry in SRS and SRT
Z. Han*, S. Friesen, F. Hacker, P. Zygmanski
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-423 : "Evaluation of 6MV Photon Beam Modeled in RayStation 5 Using Vendor-Supplied Dosimetric Data"
J. Borsavage*, M. Belley, R. Rodgers, M. Price
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-424 : Dose Enhancement Using Gold Nanoparticles as a Function of Tumor Size, Depth and Gold Concentration
F. Cifter*, B. Zhang, E. Sajo, N. Lamichhane
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-425 : An Evaluation of Hybrid Arc and Volumetric Modulated Arc Therapy Plans for Brain Fractionated Stereotactic Radiotherapy
D. To*, H. Liu, V. Gunn, W. Shi, Y. Yu, J. Li
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-426 : Comparison of Primary Off-Axis Ratios for TrueBeam Varian Accelerators
A. Dimofte*, K. Hogue, J. Li, T. Zhu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-427 : Dose Calculation Variations in AAA and Acuros-XB for Pancreatic Cancer Treatment Planning
K. Harpool*, E. Schnell, T. Herman, S. Ahmad, T. De La Fuente Herman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-428 : Dosimetric Impact of Tissue Expanders with Magnetic Port On Breast Irradiation
G. Rivelli, C. Venencia*, E. Garrigo, S. Zunino
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-429 : Validation of Vendor-Provided Beam Model for a Novel Flattening Filter Free (FFF) Straight Through Linac with Prototype Fast Jawless MLC Collimation
S. Anamalayil*, R. Scheuermann, C. Kennedy, D. Mihailidis, L. Dong, J. Metz
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-430 : VMAT CSI: Getting the Junction Right
N. Clements*, C. Bojechko
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-431 : The Automation of the Treatment Planning System Commissioning
B. Gu*, A. Wexler, M. Mutic, A. He, J. Kavanaugh, S. Goddu, S. Mutic, B. Cai
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-432 : The Definite Target Volume
J. Siebers*, W. Watkins
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-433 : Validation of Photon Beam Models: Effective Test for Modeling Deficiency
J. Xue*, H. Wang, P. Wu, I. Das
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-434 : CBCT Based External Radiotherapy Planning
S. pal*, S. Singh
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-435 : Clinical Implementation of Acuros-XB From AAA for Breast: Changes in Plan Characteristics
L. Conroy*, A. Guebert, S. Weppler, M. Alghamdi, J. Conway, L. Harper, T. Phan, I. Olivotto, W. Smith, S. Quirk
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-436 : Dosimetric Evaluation of Bilateral Hip Prostheses for RT Plan of Prostate with Different Algorithms and Calculation Conditions
S. Pokharel*, S. Rana
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-437 : An Auto Planning Workflow On Pinnacle Planning System for Cervical Cancer
C. Tao*, B. Liu, X. Ma, Y. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-438 : Case Study of the Impact of Incorrectly Assigned Densities in Monaco for Step-And-Shoot Planning of a Patient with a High Density Breast Expander
N. Cao*, M. Lavilla, A. Kalet, L. Young, J. Kim, J. Meyer
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-439 : Effect of Beam Geometry and Number of Arcs On Integral Dose in VMAT Planning for Large Field Head and Neck and Pelvic Cancer Patients
S. Srivastava*, P. Metuge, D. Pinnaduwage, N. Thawani, X. Yan, C. Ord, S. Patel, S. Mutyala, S. Sorensen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-440 : Robustness of the Organ Doses Related to Setup Error in Helical Tomotherapy Planning of Restricted Incident Beam Angles
H. Shimizu*, K. Sasaki, M. Ito, T. Aoyama, H. Tachibana, N. Tomita, C. Makita, Y. Koide, T. Iwata, T. Kodaira
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-441 : A Method for Statistical Comparison of Multiple Dose-Volume Histograms in Radiation Therapy: ROC Hypercurves
M. Giri, C. Cavedon*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-442 : Investigating the Effect of Dosimetric Outliers On the Performance of RapidPlan Models: A Study Based On Multi-Institutional NRG-HN001 Head and Neck Clinical Trial
T. Giaddui*, H. Geng, Q. Chen, M. Radden, N. Linnemann, N. Lee, P. Xia, Y. Xiao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-443 : Comparison Between the Dose Distribution for Original Hip Prosthesis and Indigenously Designed Bone Phantom
S. Singh*, K. Jassal, U. Giri, S. pal, K. Vittal, s. osman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-444 : Dosimetric Trade-Off Between Dose Calculation Precision and Speed for Head and Neck Plans with Large Superior and Inferior Tumor Extent
M. Sands*, T. Cui, E. Murray, S. Koyfman, N. Joshi, N. Woody, P. Xia
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-445 : Dosimetric Comparison of Multi-Criteria Optimization and Direct Machine Parameters Optimization Generated VMAT Plans for Head and Neck
Z. Fellows*, S. Chen, M. Guerrero, J. Snider, S. Mossahebi, K. Spaeth, N. Lamichhane
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-446 : Commissioning of An Equinox-100 Cobalt-60 Radiotherapy Unit in the Eclipse Treatment Planning System
C. Jechel, T. Bulenga, C. Joshi, G. Salomons, L. Schreiner*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-447 : Comparison of Absorbed Dose to Water of High-Energy Photon Beams Based On the IAEA IRS-277, TRS-398 and Direct Calibration in Megavoltage Photon Beams
K. Wang*, S. Jin, Y. fan, X. Chang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-448 : Feasibility of Using Octavius 4D Phantom in Dose Rate Versus Gantry Speed Test for RapidArc Commissioning
B. YANG*, H. GENG, C. Cheung, A. DING, C. Kong, W. Lam, K. Cheung, S. Yu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-449 : Constancy Check of Longitudinal Beam Profile for Helical Tomotherapy Using ArcCHECK
B. YANG*, W. Wong, H. GENG, W. Lam, K. Cheung, S. Yu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-450 : Uncertainty in Positioning Ion Chamber at Reference Depth for Various Water Phantoms
N. Kinoshita*, H. Oguchi, Y. Nishimoto, T. Adachi, H. Shioura, H. Kimura
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-451 : Effect of Room Temperature in Storage On Outward Bowing of Phantom Window
N. Kinoshita*, H. Oguchi, Y. Nishimoto, T. Adachi, H. Shioura, H. Kimura
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-452 : Assessing the Accuracy of IsoCal-Calibrated Image Centers On Varian TrueBeam Machines
W. Du*, S. Gao, W. Jiang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-453 : A Multileaf Collimator and Jaw Symmetry Quality Assurance Technique Using An Electronic Portal Imaging Device
S. Lebron*, B. Lu, G. Yan, D. Kahler, C. Liu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-454 : Beam Scans with High-Resolution Detectors: Impact of Detector Response On Profile Peaks and Valleys
J. Duan*, E. Subashi, Y. Yang, F. Yin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-455 : Dose Rate Constancy, MU Linearity and Profile Stability of the TrueBeam Radiotherapy System
D. Jacqmin*, Z. Labby, A. Besemer, K. Schaefer
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-456 : Comparison of Two Commercially Available EPID QA Systems Tested On Two Different EPID Systems
A. Alexandrian*, K. McConnell, S. Stathakis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-457 : Investigation of a PRESAGE Three-Dimensional Dosimetry Protocol That Allows for Internal Calibration
M. Carroll*, H. Lee, S. Venkataraman, G. Ibbott
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-458 : Investigation of a Novel Radiochromic Film Material for Radiotherapy Applications
M. Abdel Gawad*, A. Eldib, S. Lotfy, O. Desouky
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-459 : Evaluating the Performance of Two Commercially Available Daily QA Phantoms
D. Nicewonger*, N. Papanikolaou, S. Stathakis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-460 : EPID-Based Beam Matching for Linear Accelerators
B. Sun*, B. Cai, S. Goddu, B. Morgan, D. Caruthers, S. Mutic
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-461 : Comparison of Image Quality Metrics for Commercially Available EPID Solutions
K. McConnell*, A. Alexandrian, S. Stathakis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-462 : Characterization of Surface Dose for Novel Flattening Filter Free (FFF) Straight-Through Linac with Jawless MLC Collimation
R. Scheuermann*, C. Kennedy, S. Anamalayil, D. Mihailidis, L. Dong, J. Metz
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-463 : Pressure Monitoring at Two Clinics Using Calibrated Barometers Vs IPhone's Barometric Sensor
C. Kumaran Nair*, R. Harder, S. Dieterich
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-464 : A Transmission Detector Based On Ion Chambers as a Constancy Tool for the Quality Assurance of a Medical Accelerator
A. Giuliacci*, S. Ondrej, M. David, S. Engelhardt, R. Ringler
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-465 : Efficacy of Small Water Tank Measurements and TPR Vs. PDD Data for TPS
A. Jones, P. Goyer*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-466 : A Feasibility Study of Quick MLC Position and Verification Using a Custom MATLAB GUI
N. Thorne*, B. Morris, C. Yang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-467 : Dosimetric Leaf Gap of Varian HD120 for Accurate Dose Calculation
J. Kim*, J. Han, A. Hsia, Z. Xu, S. Ryu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-468 : Quality Control in Small Fields Radiotherapy for SIEMENS ONCOR Linear Accelerators Using EGSnrc and Film Dosimetry
K. Hadad*, N. Padargani, A. Mosleh-Shirazi,, R. Faghihi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-469 : Charaterisation of a Two Dimensional Liquid Filled Ion Chamber Detector Array System in Flattened and Unflattened Photon Beams
G. Krishnan*, M. Venkataraman, M. Manavalan, S. Chitra, S. Grace, V. Subramani
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-470 : Evaluation of Segment Delivery Accuracy of Gated IMRT
H. Alahmad*, J. Park, G. Yan, B. Lu, C. Liu, J. Li
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-471 : Multi-Institutional Comparison of Pre-Treatment Dose Calculation Verification for CyberKnife, Vero4DRT and Tomotherapy
H. Tachibana*, Y. Uchida, M. Yamashita, H. Nagata, A. Sato, R. Miyakawa, D. Maruyama, H. Okamoto, M. Nakamura, S. Kito, N. Hayashi, R. Shirata, S. Noda, H. Fukuma, T. Kojima, R. Takahashi, D. Kawai, M. Itano
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-472 : Feasibility of Using Machine Performance Check for Daily Photon Output Constancy, and Isocentricity QA
B. Zhao*, Y. Huang, K. Snyder, c. liu, I. Chetty, N. Wen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-473 : TrueBeam 5 Years Annual QA Data
R. Li, T. Xue*, K. Xue, X. Song, N. Deb
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-474 : Quality Assurance of Imaging Dose of Computed Tomography Dose Index for Cone Beam Computed Tomography System Using a 0.6 Cc Farmer-Type Ionization Chamber
M. Itano*, H. Tachibana, S. Shirasaki, J. Ota, Y. Uchida, T. Yamazaki
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-475 : Commissioning of a Treatment Plan Couch Model Using a 3-Dimensional Dose Measurement System
F. Zhang*, R. Schurr, J. Park, N. Krishnamurthy, C. Huerta Hernandez, S. Kim, A. Morrow, L. Vazquez Quino
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-476 : MLC Consistency and Patient Specific VMAT QA with Log Files
R. McDermott*, A. Godley, S. Balik
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-477 : Inaccurate Source to Electronic Portal Image Distance May Cause MLC Leaf Position Test Failure
H. Chen*, K. Yang, K. Huang, A. Sarkar, J. McGlade, D. Jacob, F. Mourtada
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-478 : A Simple EPID-Based Tool for Dosimetric Checks On Monthly Linac QA
Y. Chen*, J. Wang, H. Zhang, P. Hu, J. Fan, W. Hu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-479 : Ion Recombination Corrections Factor in Flattening Filter-Free and Conventional Photon Radiation
B. Yang, Z. Wang*, J. Qiu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-480 : Model Comparison for Commissioning of a Real-Time Dose Delivery Detector for a 6MV Photons Beam
N. Maffei*, G. Mistretta, A. Chendi, M. Gutierrez, P. Ceroni, L. Morini, L. Boni, A. Bernabei, B. Meduri, T. Costi, F. Lohr, G. Guidi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-481 : An Automated Method for the Verification and Quality Assurance of Treatment Planning Systems
S. Oh*, D. Lee, B. Leong, Y. Wu, S. Kim, T. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-482 : Calculation for TG-51's KQ for a 2.5MV Beam
S. Grzetic*, J. Woollard, N. Gupta, A. Ayan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-483 : Monitoring of Linac Performance Via Monthly VMAT QA Measurements
W. Leung*, S. Cheung, M. Wong, W. Lee, M. Chan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-484 : Reduction in Thermal Drifts and Noise in Radiation Calorimetry Using Vacuum Insulated Panels
E. Flores-Martinez*, J. Radtke, L. DeWerd
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-485 : Evaluation of Dose Redistribution Due to Deformation with 3D MRI Gel Dosimetry
C. Matrosic*, I. Marsh, W. Culberson, B. Bednarz
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-486 : A Lean Truebeam Commissioning Beam Dataset for Multi-Linac Facilities-The University of Maryland Experience
C. Kalavagunta*, S. Becker, A. Gopal, K. Prado
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-487 : Radiation Treatment Management for Young and Pregnant Female Patients Using Photons From Gamma Knife Perfexion and Varian TrueBeam LINAC
E. Kendall*, Y. Chen, K. Hibbitts, O. Algan, L. Muller, S. Ahmad
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-488 : Skin Dose Enhancement of Topical Agents and Dressings On Skin Using Unflattened and Flattened Photon Beams in Radiotherapy
K. Tse, L. Morley, A. Cashell, A. Sperduti, M. McQuestion, J. Chow*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-489 : Investigation of the Dosimetric Equivalent Thickness of Multiple Layers of Mesh Bolus as An Alternative to Tissue-Equivalent Bolus
K. Yan*, C. Able, A. Pennington
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-490 : Assessment of Irregular Surface Compensator Technique for Deep Inspiration Breath-Hold (DIBH) Left-Side Breast Radiation
J. Peng*, C. Mart, M. Ashenafi, D. McDonald, N. Koch, J. Harper, K. Vanek
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-491 : A Novel Technique for the Planning and Treatment of Deep Seated Breast Cavity Boosts
D. Pearson*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-492 : Investigation of Treatment Delivery Variation Effects On Delivered Dose for Several Treatment Sites
D. Defoor*, S. Stathakis, N. Papanikolaou
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-493 : Study of Basic Dosimetric Beam Characteristics of the New Tomotherapy Delivery System Radixact
T. Romaguera*, J. Bennouna, U. Robins, N. Thakur, A. Gutierrez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-494 : Performance Study of the New Delivery System Radixact Using as Benchmark Clinical Plans Generated for Tomotherapy HDA
T. Romaguera*, J. Bennouna, A. Gutierrez, U. Robins, G. Luciani, C. Kozarek, N. Jafari, R. Vaden
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-495 : Initial Experience of the Testing of the IAEA-AAPM Code of Practice for the Dosimetry of Small Static Photon Fields Used in External Beam Radiotherapy
M. Huq*, L. Wolfgang, B. Moftah, M. Arib, K. Christaki, P. Francescon, F. Garcia-Yip, R. ALFONSO-LAGUARDIA, A. Ismail, R. Kinhikar, J. Lárraga-Gutiérrez, K. Raj Mani, D. van der Merwe, O. Sauer, S. Shoeir, S. Suriyapee, A. Meghzifene
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-496 : To Optimize the Total Treatment Delivered Time for the H&N IMRT Treatment Plan Delivered by SIEMENS Artiste
G. Wu, G. Wu*, J. WONG, Y. Zheng, M. Li, Z. Gao
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-497 : Comparison of Volumetric Modulated Arc Therapy and Intensity Modulated Radiotherapy Planning Techniques for Frontal and Temporal High-Grade Gliomas
P. Godoy Scripes, C. Della Biancia*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-498 : Commissioning Experience for the New Gamma Beam 500 Co-60 TBI Irradiator
J. Bredfeldt*, R. Zhang, E. Huynh, W. Cai, C. Williams, Y. Lyatskaya, M. Czerminska, R. Cormack
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-499 : What Is the Optimal Inflation Level of Tissue Expanders to Minimize Dose Perturbations Caused by Magnetic Port?
H. amro*, E. Perevalova, B. McCabe, C. Stepaniak, D. Golden, M. Endara, B. Aydogan, A. McCall
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-500 : A Method for the Production of 3D-Printed Compensators for Superficial X-Ray Radiotherapy
B. Loughery*, M. Snyder
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-501 : Flattening Filter-Free Volumetric Modulation Arc Therapy for Post-Mastectomy Breast Irradiation
D. Heins*, J. Yoon, B. Guo, M. Sanders, R. Zhang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-502 : Improving Prescription Dose Accuracy in Total Body Irradiation Using Treatment Planning System for 15 MV Beam
S. Prajapati*, D. Lewis, S. Tung, R. Tailor, P. Chi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-503 : Flattening Filter for Sliding Window IMRT Treatment Revisited
C. Ma*, T. Long, M. Chen, X. Gu, S. Jiang, W. Lu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-504 : Reduction of the Skin Surface Dose for Megavoltage Photon Beams Passing Carbon Couch
M. Tamura*, H. Monzen, K. Matsumoto, M. Okumura, Y. Nishimura
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-505 : Dosimetric Advantage of IMRT Compared to VMAT for H&N Plans Using a Prototype Jawless and Fast MLC System
D. Mihailidis*, R. Scheuermann, S. Anamalayil, C. Kennedy, L. Brady, L. Dong, J. Metz
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-506 : Dosimetric Impact of Immobilization Board and Couch Structures in Prone Breast Radiation
A. Lau*, K. Salerno, T. Ma, I. Wang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-507 : Potential Benefit of Dynamic Trajectory Optimization in Radiotherapy for Different Treatment Sites
M. Fix*, D. Frei, W. Volken, D. Terribilini, D. Aebersold, P. Manser
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-508 : Minimizing the Heel Effect in Orthovoltage Calibrations
K. McCollough*, C. Blackwell, M. Grams
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-509 : Robust Optimization Lung Treatment Plans Accounting for Geometric Uncertainty
X. Zhang*, J. Penagaricano, J. Fang, G. Narayanasamy, S. Maraboyina, F. Xia, L. Peacock, C. Croft, S. Morrill
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-510 : Using High-Definition Multileaf Collimator (HDMLC) for Long Volume Treatment with Multiple Isocenter VMAT (RapidARC)
C. Venencia*, Y. Schworer, E. Garrigo, F. Munoz, S. Zunino
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-511 : Different Breathing Maneuvers for DIBH During Radiotherapy for Left-Sided Breast Cancer
F. ZHAO*, Z. Lu, G. Yao, S. Yan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-512 : Radiation Dose Enhancement Using Copper Filled Carbon Nanotubes
S. Ashmeg*, E. Eisenbraun, M. Fasullo, M. Afghan, J. Satti, U. Baharom
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-513 : Use and Validation of Contoured 3D-Printed Neck Compensators for Total Body Irradiation
G. Baltz*, P. Chi, D. Craft, M. Peters, J. Pollard, R. Howell
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-514 : Determination of the Optimum Gating Window in Lung Lesion Patients
S. Lally*, D. Pearson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-515 : Evaluation of the Use of Abdominal Compression of the Lung, in Stereotactic Body Radiation Therapy
S. Javadi*, D. Pearson, R. Palm, K. Reddy
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-516 : Partial and Full Arc Volumetric Modulated Arc Therapy in Lung Cancer Stereotactic Body Radiotherapy with Different Definitions of Internal Target Volume Based On 4D CT
X. Jin*, J. Yi, C. Xie
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-517 : Removal of Motion in Liver SABR Facilitates Reduction in Liver Dose and Increase in Tumour Dose
M. Gargett*, C. Haddad, J. Booth, A. Kneebone, N. Hardcastle
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-518 : Time-Weighted 4D Dose Accumulation Using a Respiratory Motion Model On Tomotherapy
D. O'Connell*, D. Low, P. Lee, X. Qi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-519 : Improved Dosimetric Accuracy Using An Innovative Phased Weighted Density Scheme for Stereotactic Lung Radiotherapy
D. Mohatt*, H. Malhotra
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-520 : Tumor Control Probability in Single-Fraction Stereotactic Brain Radiation Therapy
M. Sharma*, M. Cummings, M. Schell, M. Pacella, D. Rosenzweig, M. Milano
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-521 : Investigative Study of a Hybrid Dose Response Relationship to Predict High Dose Fractionation Response in the Lung Cancer Stereotactic Body Radiation Therapy Using Lung Cancer Cell Lines
T. Kehwar*, K. Chopra, D. Rai
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-522 : The Effect On Therapeutic Gain of Using AXB in Replacement of AAA in HCC SBRT Treatment Planning
M. Cheung*, D. Poon, V. Yeung, L. Lee, A. Chan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-523 : The Concept of Therapeutic Efficiency and Its Application in the Evaluation of HCC SBRT Treatment
M. Cheung*, D. Poon, V. Yeung, L. Lee, A. Chan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-524 : Reliability and Reproducibility of a Diode Tool for Profile Measurement for Gamma Knife Perfexion
S. Gajdos*, J. Donaghue
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-525 : Intercomparison of Three Gamma Knife Perfexions Using the Installer Diode Tool
J. Donaghue*, S. Gajdos
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-526 : Preliminary Evaluation of a Reference Detector Measuring Leakage Radiation for Use in Small Field Beam Data Acquisition
A. Gopal*, E. Laugeman, J. Kim, M. Dumas, Y. Huang, N. Wen, J. Shi, B. Simon, I. Chetty
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-527 : Small Field Spine Radiosurgery IMRT QA with Octavius 4D: Chamber Comparison and Beam Model Assessment
Z. Wen*, X. Wang, D. Luo, E. Han, T. Briere, J. Yang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-528 : Quality Assurance for GammaPod: A Novel Dedicated Breast Stereotactic Radiosurgery Device
S. Becker*, Y. Niu, Y. Mutaf, K. Prado, C. Yu, B. Yi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-529 : CdSe@CdS Core-Shell Quantum Dots for Radiation Detection and Dosimetry
E. Guidelli*, L. da Silva França, Y. Shen, L. Oliveira, O. Baffa, K. Jensen
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-530 : Cellular Level Microdosimetry Using Raman Spectroscopy
J. Mirza*, S. Park, W. Sung, J. Lee, S. Ye
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-531 : Performance Comparison of IRIS I and IRIS II Variable Aperture Collimators On A Cyberknife System
W. Jiang*, S. Sharma, C. Lin, Y. Feng
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-532 : Comparison Between Small Field Point Dose Measurement and Planar Dose Profile Measurement for Stereo Tactic Radio Therapy and Stereo Tactic Radio Surgery Patients
U. Giri*, T. Ganesh, K. Jassal, K. Vittal, S. Singh, B. Sarkar
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-533 : Experimentally Quantification of Interplay Effect for Lung SBRT with VMAT
E. Sandrini*, C. Silva, A. da Silva
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-534 : Development of a Mobile Device Based Film Dosimetry System
M. Zhang*, X. Wang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-535 : EBT-XD Gafchromic Films for Multiple Mets Intra-Cranial VMAT SRS Dosimetric Verification
A. Hussain*, A. Hudson, N. Ploquin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-536 : Design of a Daily QA Constancy Phantom for Cyberknife M6 Robotic Radiosurgery System
R. Holla*, B. Pillai, D. Khanna
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-537 : Patient Specific QA On Cyberknife M6 Robotic Radiosurgery System Using In-House Fiducial Based Polystyrene Phantom
R. Holla*, B. Pillai, D. Khanna
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-538 : Impact of Region of Interest Size and Location in Gafchromic Film Dosimetry
N. Gholizadeh Sendani, C. Ferreira, P. Alaei*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-539 : Dosimetric Validation of Mask-Based Stereotactic Gamma Knife Radiosurgery Using Pseudo in Vivo 3D Dosimetry: End-To-End SRS Quality Assurance
K. Osterman*, P. Storey, E. Pappas, D. Kondziolka, J. Silverman, I. Das, A. Xu, J. Xue, K. Han, S. Lymberis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-540 : Characterization and Application of Bubble Detector for Photo-Neutron Dose Measurement in Elekta Versa HD Medical Accelerator
H. sahib, B. Ganesan*, N. Sekar, T. Lakshminarayanan, S. Jagadeesan, A. Prakasarao, M. D.K, M. Murugan, G. Singaravelu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-541 : Comparison & Characterization of Radio Films with Thermoluminescent Dosimeters
S. Venkatesan, B. Ganesan*, N. Sekar, H. sahib, A. Prakasarao, G. Singaravelu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-542 : On the Quality of Photon Beam Data Acquisition for Radiation Therapy Beam Modeling Using a New Commercially Available Water Tank System
S. Stathakis*, A. Alexandrian, C. Kabat, H. Parenica, K. Rasmussen, N. Kirby, D. Saenz, N. Papanikolaou
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-543 : Cross-Comparison of Three Radiochromic Film Imaging Systems
K. Alexander, T. Olding, L. Schreiner*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-544 : Evaluation of the Accuracy of a Six Degree of Freedom Robotic Couch Using Optical Surface and Conebeam CT Images of An SRS QA Phantom
Q. Zhang*, Y. Chen, J. Zhang, Y. Cao, E. Klein
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-545 : Low Measurement Variation Small Field Dosimetry: A Practical Method to Measure Dose Area Products (DAP)
M. Held*, A. Sudhyadhom
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-546 : Implementation of An In-House Radiochromic Film Dosimetry Software for Patient Specific Treatment Plan Quality Assurance
R. Schurr*, J. Park, S. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-547 : Portal Dosimetry for SRS/SBRT Patient Specific Plan Quality Control
R. Zakikhani*, H. Lee, C. Able
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-548 : Machine Specific Quality Assurance Procedure for Stereotactic Treatments with Dynamic Couch Rotations
B. Wilson*, E. Gete
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-549 : Characterization of Spectral Changes in Light Guides Used for Scintillation Dosimetry in Linear Accelerator Based Measurement Geometries
E. Simiele*, W. Culberson, L. DeWerd
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-550 : Experimental Study of Humidity Effect On Charge Measurement of An Ionization Chamber in Clinical High-Energy Photon Beams
Y. Sato*, M. Shimizu, Y. Morishita, M. Sato, M. Hoshina
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-551 : Synthesis & Characterization of Gd3+ Doped Hafnium Oxide Nanoparticles for Neutron Detection
N. Sekar, B. Ganesan*, H. sahib, A. Prakasarao, M. D.K, G. Singaravelu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-552 : Using the Installer Diode Tool to Track Stability of a Gamma Knife Perfexion
J. Donaghue*, S. Gajdos
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-553 : Use of a Commercial Ion Chamber Detector Array for the Measurement of High Spatial Resolution Photon Beam Profiles
V. Karimnia*, M. Belley, R. Rodgers, M. Price
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-554 : Small Field Output Factor Measurement Using A-Si1200 DMI Panel
D. Barbee*, I. Das
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-555 : A Novel High-Resolution Quality Assurance Phantom System for Modulated Arc Stereotactic Body Radiation Therapy
T. Knewtson*, A. Wiles, K. Brink, E. Izaguirre
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-556 : Development of a Portable Graphite Calorimetry System for the High Energy Photon Beam
J. Chung, I. Kim, J. Kim, K. Park, C. Yi, B. Kim*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-557 : Intercomparison of Patient-Specific IMRT QA Devices for Small-Field, Stereotactic VMAT Treatments Using Gamma Index Analysis
D. Alvarez*, D. Wieczorek, V. Mishra, A. Gutierrez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-558 : Validation of a Commercially Available, ASi QA Device for the Verification of Aperture Size in the CyberKnife Iris Collimation System
D. Alvarez*, A. Acha, V. Mishra, A. Gutierrez
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-559 : Re-Irradiation Of The Prostate Utilizing 120 Leaf MLC On A TrueBeam Linac
T. Smith, S. Klash*, C. Matthews
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-560 : A Study On Beam Reduction of Circular Aperture Based Robotic Radiotherapy Treatment Planning
B. Liang*, B. Liu, Y. Li, B. Guo, X. Xu, R. Wei, F. Zhou, Q. Wu, S. Xu, J. Piao, H. Xu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-561 : Creating Plans with the Benefits of the Conformal Arc Technique in the RayStation Treatment Planning System
N. Staley*, D. Pearson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-562 : Poor Man's Knowledge-Based Planning for Solitary SRS Brain and SBRT Lung Lesions
O. Blasi, O. Blasi*, K. McCullough, K. Lofton
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-563 : Comparison of Optimization Methods for Stereotactic Radiosurgery (SRS) of Brain Metastases
D. Wiant, J. Maurer, B. Sintay, K. Pearman, Q. Shang, T. Hayes, H. Liu*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-564 : Treatment Plan Comparison of Normal Tissue Objective Vs. Customised Stereotactic Radiosurgery Normal Tissue Objective for Multiple Target Radiosurgery
P. Houston*, P. Houston, s. smith
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-565 : Comparison of Plan Quality Using RapidPlan and a Multi Criteria Optimisation Tool for Lung SABR
s. smith*, G. Currie, R. Valentine
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-566 : Non-Coplanar Volumetric-Modulated Arc Therapy Versus Proton Experiences with Planning, Quality Assurance and Delivery for Skull Base Tumors
J. Syh*, G. Schimke, M. Waddell
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-567 : Magnetic Field Dose Effects On Robustness of Dose Delivery for Lung Stereotactic Body Radiation Therapy
A. Kim*, S. Al-Ward, C. McCann, P. Cheung, A. Sahgal, B. Keller
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-568 : Retrospective Dosimetric Analysis of Brain Lesions Treated with Conformal Arc Stereotactic Radiosurgery
J. Leasure*, V. Ulizio, D. Pearson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-569 : A No-Measurement QA for Single Isocenter Multiple Brain Lesion SRS Plans
J. Ho*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-570 : SRS Plan Quality and Treatment Efficiency: VMAT Vs Dynamic Conformal Arcs
S. Gros*, A. Plypoo, A. Sethi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-571 : Intracranial Stereotactic Radiosurgery Treatment Planning Technique Comparison: Volumetric-Modulated Arc Therapy Vs. Dynamic Conformal Arc Therapy Or Static Field Intensity Modulated Radiotherapy
T. Tseng*, R. Sheu, S. Green, Y. Lo
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-572 : Clinical Utility of Conformity Indices for Brain and Lung SBRT Plans
G. Warrell*, Z. Xu, S. Lee, T. Biswas, M. Machtay, T. Podder
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-573 : Dosimetric Comparison of Multiplan and Eclipse Planning Systems for the Stereotactic Body Radiotherapy Treatment of Prostate Cancer
f. li*, c. Ozhasoglu, d. clump, d. heron, r. Lalonde, M. Huq
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-574 : Isodose Volume Comparison of Two Common Volume Derivation Methods
J. Leasure*, V. Ulizio, D. Pearson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-575 : Explore the Dosimetric Impact of the Prescription Isodose Line (IDL) On the Quality of Robotic SRS Plans
Q. Xu*, J. Fan, S. Asbell, J. Park, G. Kubicek
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-576 : Dosimetric Accuracy for Lung and Brain SBRT VMAT Plans Delivered by Two Beam-Matched Linacs
Z. Xu*, G. Warrell, S. Lee, V. Colussi, Y. Zheng, T. Podder
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-577 : Knowledge Based Planning: Standardization of Stereotactic Radiotherapy Treatment Plans Using An Ensemble Mapping in a Large Volume Library Plans
B. Sarkar*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-578 : Dosimetric Impact of Boost Partial Breast Irradiation with External Beam in Organs-At-Risk Dosimetry for Patients Treated with Whole Breast Irradiation of the Left Breast
A. Bejarano Buele*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-579 : Improvement of Conformal Arc Plans By Using Deformable Margin DelineationTechnique in Stereotactic Body Radiotherapy
G. GUNGOR*, M. DEMİR, G. AYDIN, B. ATALAR, B. YAPICI, E. OZYAR
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-580 : Reported Clinical Outcomes in the Treatment of Monte Carlo-Based Lung SBRT Patients: Results of Heterogeneity Corrected Pencil Beam Vs X-Ray Voxel Monte Carlo Algorithms
D. Pokhrel*, S. Sood, R. Badkul, H. Jiang, H. Saleh, F. Wang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-581 : Dosimetric Verification of Elekta Agility in Brainlab IPlan RT Dose
M. Florijn*, I. Rüssel, J. van Egmond, R. Wiggenraad, J. van Santvoort, A. Petoukhova-Boutaeva
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-583 : Single-Isocenter Dual-Target Lung SBRT: Dosimetric Sensitivity to Rotational Offsets
Y. Yang*, E. Subashi, J. Duan, F. Yin, J. Cai
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-584 : Evaluation of Acuros XB Algorithm for Lung SBRT Using Flattening Filter Free
E. Sandrini*, A. da Silva, C. Silva
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-585 : Chest Wall Dosimetry Using Non-Coplanar Volumetric Modulated Arc Radiotherapy for Lung Stereotactic Ablative Radiotherapy
S. Yu*, P. Maxim, M. Gensheimer
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-586 : Evaluation of Treatment Planning System Dose Calculation in Irregular Rectangular Small Fields
A. Qureshi*, N. Sperling
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-587 : Dosimetry Comparison of Gamma Knife and Linac Based External Beam SRS
C. Klinker, C. Jett, C. Barney, E. Allan, N. Gupta, L. Lu*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-588 : Monitor Unit Correction of Homogeneous Treatment Planning in Lung SBRT Patients with Very-Low Lung Density
M. Petronek*, M. Sands, T. Zhuang, A. Magnelli, P. Qi, S. Balik
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-589 : Effect of the Maximal PTV Dose Constraint On the SRS Plan Quality for the Single Isocenter-Multiple-Target (SIMT) Technique
K. Joseph*, J. Baker, Y. Ahmed, J. Antone, L. Vijeh, J. Alfaro, J. Chang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-590 : Comparative Analysis of Pencil Beam and Monte Carlo Based Algorithms for Thoracic Spine Stereotactic Body Radiation Therapy (SBRT)
R. Badkul*, H. Jiang, H. Saleh, F. Wang, A. Chen, C. Lominska
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-591 : Experimental and Monte Carlo Investigation of Dose Calculation Accuracy for Lung SBRT Planning
J. Rosenfield*, N. Manohar, X. Yang, X. Dong, E. Elder, K. Higgins, A. Dhabaan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-592 : Scalp Dose Measurement for Single Fraction Stereotactic Radiotherapy Patients
S. Singh*, K. Jassal, B. Sarkar, U. Giri, S. pal, K. Vittal, s. osman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-593 : Cranial Multi-Metastases SRS Commissioning with M120 MLC
S. Lim*, L. Kuo, X. Li, A. Ballangrud, T. LoSasso
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-594 : Comprehensive Commissioning and Validation of Transport Based Dose Computation for Stereotactic Body Radiation Therapy (SBRT)
V. Rodriguez*, F. Reynoso, R. Morris, M. Reilly, R. Kashani, P. McGeachy, R. Zavan, R. Khan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-595 : Evaluation of Dose to Spinal Cord for SBRT Spine Patients and the Role of MRIs
J. Muenkel*, D. Pearson
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-596 : Lung Density Threshold Analysis for Clinical Acceptability When Using Homogeneous Dose Calculation for Lung SBRT Patients
M. Sands*, M. Petronek, T. Zhuang, A. Magnelli, P. Qi, K. Stephans, G. Videtic, S. Balik
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-597 : ITV Margin Reduction Technique for Abdominal SBRT Treatment
L. Jin*, J. Fan, L. Chen, R. Price, J. Meyer, A. Eldib, C. Ma
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-598 : Reporting Dose-To-Water (Dw) Vs Dose-To-Medium (Dm) of the Acuros-XB Algorithm in the Treatment of Lung Stereotactic Body Radiosurgery/radiotherapy
D. Pokhrel*, D. Cheek, E. Johnson, J. Molloy
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-599 : Dosimetric Impact of Four Dose Calculation Algorithms On Stereotactic Body Radiation Therapy for Lung Cancer
T. Kusunoki*, M. Kurooka, T. Nonaka, S. Yoshino, K. Shioiri, S. Ide, Y. Nakayama
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-600 : Automated Treatment Planning Approach with Beam Angles Optimization to Avoid Rib Bones Based On Similar Cases for Lung Stereotactic Body Radiation Therapy
S. Haseai*, H. Arimura, M. Imai, T. Yoshitake, Y. Shioyama, H. Honda, S. Ohga, T. Sasaki
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-601 : Comparing the Planned Dose Distributions in CyberKnife Treatments for Intracranial Tumors Between Ray-Tracing and Monte-Carlo Algorithms
W. Jiang*, S. Sharma, Y. Feng, B. Tonner
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-602 : Feasibility of a Novel Method for Single Isocenter Treatment of Multiple Brain Metastases Patients
S. Jupitz*, S. Braunstein, L. Ma, A. Perez-Andujar
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-603 : A Test Suite for Optimization and Verification of MLC Treatment Planning System Modeling
R. Popple*, M. Barnes, E. Covington, K. Farrey, J. Moran, M. Perez, D. Raxter, T. Ritter
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-604 : Volume Effects in Radiosurgical Spinal Cord Dose Tolerance: How Small Is Small?
J. Grimm*, K. Redmond, K. Wang, T. Hooker, J. Jackson, L. Kleinberg
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-605 : Assessment of Skull Measurement for Deformed Skull Contours in Gamma Knife Radiosurgery
N. Gopishankar*, R. BISHT, D. Agrawal, S. KALE, A. MAHAPATRA
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-606 : Multi-Stage Stereotactic Radiosurgery Technique for Large Liver Tumor Using the Cyberknife System
C. Ding*, M. Folkert, J. Meyer, S. Jiang, R. Timmerman
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-607 : Influences of Optimization Grid Size to Leaf Open Time Histogram in NSCLS SBRT Using Helical Tomotherapy
J. Gu*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-608 : A Novel Hybrid Planning Strategy for Stereotactic Body Radiation Therapy of Early Stage Non-Small-Cell Lung Cancer
H. Liu*, T. Hayes, Q. Shang, K. Pearman, B. Sintay, J. Maurer, D. Wiant
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-609 : How Does the Choice of Prescription IDL Affect Dose Gradient, Target Coverage, Treatment Time and Ease of Planning for GK Radiosurgery
P. Johnson*, M. Monterroso, F. Yang
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-610 : Plan Quality Comparison of Brain Metastasis Treated On Gamma Knife Perfexion and Volumetric Modulated Arc Therapy
M. Adili*, B. Muhammad, A. Alhamad, S. Bamajboor, A. Zaila
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-611 : Evaluation of Leaf Position and Irradiation Accuracy for Two Different Multileaf Collimators Equipped On CyberKnife
J. Suzuki*, H. Takahashi, K. Hamajima, M. Niwa, Y. Ohashi, T. Okuda
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-612 : Commissioning of Brainlab IPlan On TrueBeam STx for 6MV with High-Definition MLCs
C. Yu*, G. Cui
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-613 : The Effect of Beam Interruption When Implementing Deep Inspiration Breath Hold During Volume Modulated Arc Stereotactic Body Radiation Therapy
S. Oh*, B. Lewis, A. Watson, S. Kim, T. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-614 : Dosimetric Comparison Between Single Isocenter Brain Metastases Treatment Using Dynamic Conformal Arcs (Elements) and VMAT (RapidARC)
C. Venencia*, R. Morais Cardozo, M. Almada, G. Rivelli, E. Garrigo, P. Castro Peña
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-615 : Impact On Clinical Workflow of Volume Modulated Arc Stereotactic Body Radiation Therapy (VMAT-SBRT)
B. Lewis*, E. Fields, S. Kim, T. Kim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-616 : Can Radiosurgery Follow Standard Workflow in a Clinic?
C. Saw*, C. Gillette, C. Peters, L. Koutcher
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-617 : Investigating Beneficial Capabilities Achievable by a Rotating Gamma Ray System in Stereotactic Body Radiation Therapy
A. Eldib*, M. Fareed, J. Fan, J. Li, L. Chen, M. Sherif, M. Abdel Gawad, C. Ma
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-618 : Exploring the Dosimetric Advantage of a Novel Rotating Gamma Machine Equipped with Both MLC and Multiple Cone Colimators
A. Eldib*, I. Veltchev, T. Lin, R. Price, G. Mora, M. Abdel Gawad, M. Sherif, C. Ma
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-619 : Dosimetric Validation of Single Isocenter VMAT for Multi-Lesion SRS/SRT Treatment
N. Neba*, N. Demez, Y. Altundal
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-620 : A Characterization of a Commercially Available Add-On Collimator with Stereotactic Cones On Rails
H. Parenica*, C. Kabat, K. McConnell, A. Alexandrian, K. Rasmussen, N. Papanikolaou, S. Stathakis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-621 : A Method to Improve Accuracy and Workflow of Single Isocenter Volumetric Modulated Arc Therapy (VMAT) for Frame-Based Radiosurgery of Multiple Metastases
K. Ahn*, M. Malin, K. Yenice, N. Ozturk, B. Smith, K. Slavin, M. Koshy, B. Aydogan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-622 : Dosimetric Characterization of a High Throughput Multiple Brain Metastases Gamma Knife Program
Y. Lee*, A. Sarfehnia, B. Chugh, C. Yeboah, H. Soliman, S. Myrehaug, C. Tseng, M. Tsao, L. Holden, A. Sahgal, M. Ruschin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-623 : A Characterization of LinaTech New Mini-MLC D2SRS
C. Kabat*, H. Parenica, N. Kirby, K. Rasmussen, D. Saenz, N. Papanikolaou, S. Stathakis
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-624 : Dosimetric Impact of Rotational Shift in the Lung SBRT
M. Lee, S. Mossahebi*, K. Prado, F. Cifter, B. Yi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-625 : Very Small MLC-Defined Arcing Fields: Accuracy of Planning and Delivery
I. Brezovich*, X. Wu, R. Popple, S. Shen, E. Covington
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-626 : Does Size Matter? Investigating the Optimal Planning Target Volume Margin for Post-Operative Stereotactic Radiosurgery Alone to Resected Brain Metastases
J. Jhaveri*, X. Zhang, M. Chowdhary, J. Switchenko, R. Press, R. Cassidy, T. Morgan, J. Roper, A. Dhabaan, E. Elder, J. Olson, B. Eaton, W. Curran, H. Shu, I. Crocker, K. Patel
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-627 : Efficiency of Flattening Filter Free Beam in Volumetric Modulated Arc Therapy for LIVER and Lung SBRT Plans
S. Andavar*, V. Roshan, A. Dhiman, J. Singh
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-628 : A Comparison Between Flattening-Filter-Free and Flattenedmodes for LINAC-Based Trigeminal Neuralgia SRS
D. Zheng*, S. Wang, C. Zhang, Q. Fan, V. Verma, R. Ma, S. Zhou
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-629 : Radiosurgery for Mesial Temporal Lobe Epilepsy Following ROSE Trial Guidelines - A Planning Comparison Between Gamma Knife, Eclipse and Brainlab
G. Narayanasamy*, D. Cousins, W. Garner, J. Liu, X. Zhang, S. Morrill, S. Maraboyina, L. Peacock, F. Xia, J. Penagaricano
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-630 : SRS for Treating Multiple Brain Metastases Using CyberKnife After Whole Brain Irradiation
P. Desai*, B. Caroprese, J. Gilroy, N. Andrade
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-631 : Measurement of Iodine-125 Radioactive Solid Waste Derived From Sources Production Laboratory for Brachytherapy
D. Barbosa de Souza, M. Chuery Martins Rostelato*, R. Vicente, C. Zeituni, C. Daruich de Souza, B. TEIGA RODRIGUES, J. de Oliveira Marques, V. Carvalho, N. Barbosa
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-632 : Measurement of Stray Radiation Around a Mobile Electron Accelerator for Intraoperative Radiotherapy
H. Liu*, H. Hua, J. Wu, S. Lu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-633 : Android App for Converting Smartphone to Individually Calibrated Dosimeter
J. Joseph, A. Sebastin*, W. Michael Raj, P. Ravindran, R. SINGH
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-634 : Retrofitting Old Linac Vaults to Safely and Efficiently Accommodate Newer Technologies
C. Bojechko*, A. Hudson, N. Ploquin
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-635 : Digoxin Mediated Electromagnetically Induced Targeted Osmotic Lysis in Cancer Cells
P. Maggi*, K. Matthews, R. Subramanian, W. Monroe
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-636 : Bacterial Exposure to Low Dose Radiation Followed by a High Dose Can Threaten Effective Treatment of Infections Through Inducing Adaptive Responses
S. Mortazavi*, M. Taheri, b. karari, F. Habibi, M. Zehtabiyan
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-637 : Inferring In-Vivo Prostate and Rectum α/β Values From Clinical Data
R. Price*, Y. Dong, T. Shaikh, C. Ma
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-638 : Study On the Dependence of Dose Enhancement On the Cluster Morphology of Gold Nano Particles in Radiation Therapy Using Body Centered Cubic Model
S. Ahn*, K. Chung, Y. Han, H. Park, D. Choi, D. Lim
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-639 : Radiotherapy and Chemotherapy Promote Metastasis Before Cell Death by Altering Cell Mechanical Properties
N. Zetocha, B. Lee, S. Prathivadhi-Bhayankaram, M. Mimlitz, A. Ekpenyong*
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-640 : Minimizing the Side Effects of Radiotherapy and Chemotherapy by the Use of Graphene Oxide Nano-Flakes
D. Toomeh*, W. Ngwa
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-641 : Testing a Tomographic Ultrasound System for Use in Small Animal Radiotherapy Guidance: A Feasibility Study
D. Granville*, G. O'Connell, J. Butler, M. Harlacher, J. Perdomo, T. Czernuszewicz, P. Tsouchlos, T. Kanesalingam, R. Gessner
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-642 : Dosimetric Verification and Commissioning for A Small Animal Radiation Research Platform
Y. Wang*, S. Lin, Y. Na, P. Black, C. Wu, S. Cheng, E. Connolly, C. Wuu
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-643 : Characterization of a Novel X-Ray Attenuation Phantom for Radiobiology Irradiators
N. Viscariello*, W. Culberson, J. Micka, L. DeWerd
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-644 : In Vivo Studies On the Pulsed Low-Dose-Rate Radiotherapy for the Treatment of Prostate Cancer
B. Wang*, D. Cvetkovic, X. Chen, L. Chen, W. Luo, C. Ma
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-645 : Linear Accelerator-Based, Submillimeter Treatment Technique: Can We Reproduce Microbeam Radiobiology Experiments Using a Common Radiotherapy Accelerator?
R. Shaw*, D. Siergiej, R. Goodman, R. Selwyn
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-646 : The Evaluation of Dosimetric and Cancer Viability Difference Following In Vitro Irradiation
B. Rogers*, C. Ferreira, E. Ehler, J. Lawrence
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-647 : Optimal Delivery Time and Distribution of Photosensitizer in Pancreatic Cancer for Photodynamic Therapy Ablation
P. Vincent*, B. Pogue, M. NIeskoski, R. Xie, K. Marra
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-648 : Investigation of the Glycolytic Oscillator in Cancer Cells
L. Che Fru*, M. Kissick
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-649 : Integrated Spatial and Temporal Stochastic Model for Computational Radiation Biology: A Case Study On Radiotherapy for Vascular Tumor
R. Liu*, K. Higley
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-650 : Validation of Geant4-DNA/TOPAS-NBio Simulations of Water Radiolysis Induced with Monoenergetic Electrons, Protons and Alpha Particles
J. Ramos-Mendez*, J. Perl, J. Schuemann, H. Paganetti, A. McNamara, K. Held, B. Faddegon
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-651 : CPOP: An Open-Source C++ Cell Population Modeler Combined to Geant4 Simulations for Radiation Biology
L. Maigne*, H. Payno, G. Fois, F. Smekens, E. Débiton, F. Degoul
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-652 : Tumor Control Probability Calculation for Short and Long Course of Rectum Cancer
M. Dalila, O. Pares, G. Mora*, M. Ferreira, I. Espinoza
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-653 : TheSMp TCP/NTCP Calculation Methodologies for Radiotherapy, Brachytherapy and Radiationprotection
T. Frometa*, S. Jang, A. Pyakuryal, T. Sio, E. Frometa
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-654 : Towards a Multiscale Model of Vascular Dose for the Whole Brain
W. Donahue*, W. Newhauser
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-655 : Computational Model of Observed Heterogeneity in Bone Metastases
M. Turk*, U. Simoncic, A. Roth, D. Valentinuzzi, R. Jeraj
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-656 : A Dynamic Model for Radiobiological Response of Spinal Cord to Radiation Damage
J. Li*, M. Chan, C. Shi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-657 : Mechanistic Modeling of DNA Repair and Cellular Survival Following Radiation and Temozolomide for Glioblastoma Multiforme Cells
H. Oesten*, A. Jakob, A. Luehr, C. von Neubeck, C. Grassberger, S. McMahon, H. Paganetti, W. Enghardt, M. Krause
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-658 : Examination of Dose Volume Effects of Intensity Modulated Radiation Therapy (IMRT) Planning: Toward Biologically Conformal Optimization
M. Chao*, J. Wei, Y. Yuan, G. Narayanasamy, Y. Lo, J. Penagaricano
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-659 : Monte Carlo Simulation of Dose Enhancement in Gold Nanoparticle Mediated Radiation Therapy
S. BASHIR*, z. koreshi
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-660 : Metal Filled Carbon Nanotubes for Targeted Radiotherapy: A Feasibility Study
S. Ashmeg*, E. Eisenbraun
3:00 PM - 6:00 PM
Sunday
SU-I-GPD-T-661 : Actinium-225 Labeled Antibody Therapy Micro-Scale Dosimetry in a Murine Model and Predicted Dosimetric Impact for Human Clinical Use
A. Josefsson, J. Nedrow, S. Park, F. Bruchertseifer, A. Morgenstern, G. Sgouros, R. Hobbs*