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Program Information

  Therapy General Poster Discussion Sunday
  3:00PM - 6:00PM  Room: Exhibit Hall

SU-E-T-1 2-D Characterization of DLG Among All MLC Leaf Pairs
L. Kumaraswamy*, J. Schmitt, D. Bailey, Z. Xu, M. Podgorsak
SU-E-T-2 3D Dose Reconstruction of Volumetric Modulated Arc Therapy From Delivered EPID Dose Image
J. Yoon*, J. Jung, J. Kim, I. Yeo
SU-E-T-3 3D GPU-Accelerated Secondary Checks of Radiation Therapy Treatment Plans
F. Clemente*, C. Perez
SU-E-T-4 3D Printed Patient-Specific Surface Mould Applicators for Brachytherapy Treatment of Superficial Lesions
I. Cumming, C. Joshi*, A. Lasso, A. Rankin, C. Falkson, L. Schreiner, G. Fichtinger
SU-E-T-5 A 2D EPID Transit Dosimetry Model Based On An Empirical Quadratic Formalism
Y. Tan*, M. Metwaly, M. Glegg, S. Baggarley, A. Elliott
SU-E-T-6 A Comparison of IMRT Treatment of Esophageal Carcinoma in Elekta-Precise and Varian23EX Linac
W. Bai*, X. Fan, r. qiu, X. Qiao, R. Zhang
SU-E-T-7 A Comparison of SSD and Field Size Dependence of Output for Megavoltage Electron Beams for Different Manufacturers
A. Dimofte*, T. Zhu
SU-E-T-8 A Convolution Model for Head Scatter Fluence in the Intensity Modulated Field
M. Chen*, X. Mo, Y. Chen, G. Olivera, D. Parnell, S. Key, D. Galmarini, W. Lu
SU-E-T-9 A Dosimetric Analysis of Various Clinically Used Bolus Materials
M. Stowe*, C. Yeager, F. Zhou, C. Hand
SU-E-T-10 A Dosimetric Comparison of Copper to Lead-Alloy Apertures for Electron Beam Therapy
B. Rusk*, K. Hogstrom, J. Gibbons, R. Carver
SU-E-T-11 A Dosimetric Comparison of Robotic Prostatic Radiosugery Using Multi- Leaf Collimation Vs Circular Collimators
J. Feng*, J. Yang, J. Lamond, N. Lavere, R. Laciano, W. Ding, S. Arrigo, L. Brady
SU-E-T-12 A Feasibility Study of Patient Specific QA Using Gafchromic Film of Dynamic Feathering in Junctions of Craniospinal Irradiation
J. Stanford*, W. Duggar, C. Yang
SU-E-T-13 A Feasibility Study of the Use of Hybrid Computational Phantoms for Improved Historical Dose Reconstruction in the Study of Late Radiation Effects for Hodgkin's Lymphoma
H. Petroccia*, S. O'Reilly, N. Mendenhall, Z. Li, R. Slopsema, W. Bolch
SU-E-T-14 A Feasibility Study of Using Modified AP Proton Beam for Post-Operative Pancreatic Cancer Therapy
X. Ding*, A. Witztum, O. Kenton, F. Younan, J. Dormer, E. Kremmel, H. Lin, H. Liu, S. Tang, S. Both, A. Kassaee, S. Avery
SU-E-T-15 A Home Grown Process Improvement Tracking Tool
P. Sansourekidou*, D. Pavord
SU-E-T-16 A Hybrid VMAT/IMRT Technique for the Treatment of Nasopharyngeal Carcinoma
N. Zhao*, R. Yang, J. Wang
SU-E-T-17 A Mathematical Model for PinPoint Chamber Correction in Measuring Small Fields
T. Li*, Y. Zhang, X. Li, d. heron, M. Huq
SU-E-T-18 A New Approach To Cancer Treatment
S. Akber*
SU-E-T-19 A New End-To-End Test Method for ExacTrac for Radiation and Plan Isocenter Congruence
S. Lee*, N. Nguyen, F. Liu, Y. Huang, T. Sio, J. Jung, A. Pyakuryal, S. Jang
SU-E-T-20 A Novel Hybrid CBCT, Bioluminescence and Fluorescence Tomography System for Preclinical Radiation Research
B. Zhang*, Y. Yang, S. Eslami, I. Iordachita, M. Patterson, J. Wong, K. Wang
SU-E-T-21 A Novel Sampling Algorithm to Reduce Intensity-Modulated Radiation Therapy (IMRT) Optimization Time
P. Tiwari*, Y. Xie, Y. Chen, J. Deasy
SU-E-T-22 A Novel Sub-Pixel MTF Calculation Algorithm for Arbitrarily Shaped QA Phantoms
A. Sibley*, R. Wiersma
SU-E-T-23 A Novel Two-Step Optimization Scheme for Tandem and Ovoid (T&O) HDR Brachytherapy Treatment for Locally Advanced Cervical Cancer
M. Sharma*, E. Fields, D. Todor
SU-E-T-24 A Simple Correction-Based Method for Independent Monitor Unit (MU) Verification in Monte Carlo (MC) Lung SBRT Plans
D. Pokhrel*, R. Badkul, H. Jiang, C. Estes, P. Kumar, F. Wang
SU-E-T-25 A Study of the Optimal PTV Margin for Patients Receiving CBCT-Guided Prostate IMRT Based On CBCT Dose Calculation
S. Gill*, D. Pearson, A. Dalhart, K. Reddy, C. Chen
SU-E-T-26 A Study On the Influence of Photonuclear Reactions On the Biological Effectiveness of Therapeutic High Energy X-Ray Beam
A. Wakita*, N. Matsufuji, T. Kohno, S. Kodaira, K. Yokoyama, Y. Suzuki, J. Itami
SU-E-T-27 A Tool for Routine Quality Assurance of Radiotherapy Dose Calculation Software
R. Popple*, R. Cardan, J. Duan, X. Wu, S. Shen, I. Brezovich
SU-E-T-28 A Treatment Planning Comparison of Volumetric Modulated Arc Therapy Vs. Proton Therapy for Post-Mastectomy Radiotherapy
M. Hernandez*, R. Zhang, M. Sanders, W. Newhauser
SU-E-T-29 A Web Application for GPU-Based Monte Carlo IMRT/VMAT QA with Delivered Dose Verification
M. Folkerts*, Y. Graves, Z. Tian, X. Gu, X. Jia, S. Jiang
SU-E-T-31 Alternative VMAT Technique Reduces Total Monitor Units for Lung SBRT
L. Happersett*, J. Mechalakos, L. Kuo, P. Zhang, A. Rimner
SU-E-T-32 An Application of GafChromic RTQA2 Film to the Patient Specified Quality Assurance
J. Peng*, W. Hu
SU-E-T-33 An EPID-Based Method for Testing Absolute Leaf Position for MLC Without Backup Jaws
S. Hancock*, M. Whitaker
SU-E-T-34 An in Vivo Study On Pulsed Low Dose-Rate Radiotherapy for Prostate Cancer
B. Wang*, D. Cvetkovic, X. Chen, P. Zhang, C. Zhang, L. Chen, C. Ma
SU-E-T-35 An Investigation of the Accuracy of Cervical IMRT Dose Distribution Using 2D/3D Ionization Chamber Arrays System and Monte Carlo Simulation
Y. Zhang, D. Liu*, J. Yang, H. Liu
SU-E-T-36 An Investigation of the Margin From CTV to PTV Using Retraction Method for Cervical Carcinoma
D. Wu*, J. Chen, Y. Hao, C. Liao, Y. Huang, Y. Mo, Y. Wei
SU-E-T-37 An Optical Investigation Into the Polarization and Scattering Effects Underlying the Artifacts of Radiochromic Film Dosimetry with Commercial Flatbed Scanners
A. Schoenfeld*, D. Poppinga, D. Harder, K. Doerner, B. Poppe
SU-E-T-38 An Overlap-Wall-Histogram Plan Quality Classifier for Automatic Prostate Cancer IMRT Treatment Plan Quality Control
T. Song*, Z. Tian, X. Jia, L. Zhou, S. Jiang, X. Gu
SU-E-T-39 Analyses of Plan Quality Using Different Gantry Rotation Time On Volumetric Modulated Arc Therapy in Rectal Carcinoma
Z. Chi, R. Li*, r. qiu, y. cao, C. Han
SU-E-T-40 Analysis of Composite MVCT Planning Dosimetry with SBRT of Upper Peripheral Lung Cancer
C. Yang*, K. Doxsee, Y. Chen
SU-E-T-41 Analysis of GI Dose Variability Due to Intrafraction Setup Variance
J. Phillips*, J. Wolfgang
SU-E-T-42 Analysis of Spatial Trade-Offs for a Spinal SRS Case
T. Viulet, O. Blanck, A. Schlaefer*
SU-E-T-43 Analytical Model for Photon Peripheral Dose in Radiotherapy Treatments
B. Sanchez Nieto*, R. El far, M. Romero-Expósito, J. Lagares, J. Mateo, J. Terron, L. Irazola, F. Sanchez-Doblado
SU-E-T-44 Angular Dependence of Surface Dose Enhancement Measured On Several Inhomogeneities Using Radiochromic EBT3 Films
A. Jansen*, A. Schoenfeld, D. Poppinga, N. Chofor, B. Poppe
SU-E-T-45 Antibody Mean Residence Time in Blood and Its Correlation with Protein Molecular Weight
C. Kwok, L. Williams*
SU-E-T-46 Application of a Twin-Detector Method for the Determination of the Mean Photon Energy Em at Points of Measurement in a Water Phantom Surrounding a GammaMed HDR 192Ir Brachytherapy Source
N. Chofor, F. Nebah, D. Harder, B. Poppe*
SU-E-T-47 Application of the Repair-Misrepair-Fixation RBE Model to Describe the Results of High Resolution Proton Irradiation Cell Survival Experiments
C. Peeler*, R. Taleei, F. Guan, L. Bronk, D. Grosshans, D. Mirkovic, U. Titt, R. Mohan
SU-E-T-48 Automated Quality Assurance for XML Controlled Linacs
G. Valdes*, O. Morin, J. Pouliot, C. Chuang
SU-E-T-49 Automatic Beam Angle Determination for Lung IMRT Planning Using a Beam Configuration Atlas
L. Yuan*, Y. Ge, F. Yin, Y. Li, Y. Sheng, Q. Wu
SU-E-T-50 Automatic Validation of Megavoltage Beams Modeled for Clinical Use in Radiation Therapy
M. Melchior, F. Salinas Aranda*, S. Sciutto, D. Dodat, N. Larragueta
SU-E-T-51 Bayesian Network Models for Radiotherapy Error Detection
A. Kalet, M. Phillips*, J. Gennari
SU-E-T-52 Beam Data Comparison for 20 Linear Accelerators in One Network
T. LoSasso*, S. Lim, G. Tang, M. Chan, J. Li, C. Obcemea, Y. Song, R. Ma, G. Yang, W. Xiong, D. Huang, C. Burman, J. Mechalakos, M. Hunt
SU-E-T-53 Benchmarking a Monte Carlo Model for Patient Plane Leakage Calculations of Low Energy 6MV Unique Linacs
M. Constantin*, D. Sawkey, S. Johnsen, H. Hsu
SU-E-T-54 Benefits of Biological Cost Functions
N. Demirag*
SU-E-T-55 Biological Equivalent Dose (BED) Comparison Between Permanent Interstitial Brachytherapy and Conventional External Beam Radiotherapy for Prostate Cancer
X. Liu*, J. Rahimian, H. Cosmatos, B. Goy, C. Heywood, Y. Qian
SU-E-T-56 Brain Metastasis Treatment Plans for Contrast-Enhanced Synchrotron Radiation Therapy
L. Obeid*, A. Tessier, M. Vautrin, R. Sihanath, M. Benkebil, J. Adam
SU-E-T-57 Brain SRS Dose Variations Due to TrueBeam STx Isocenter Uncertainty
V. Stakhursky*, C. Xie, J. Chinault
SU-E-T-58 Calculation of Dose Distribution of Accuboost Brachytherapy in Deformable Polyvinil Alcohol Breast Phantom Using Biomechanical Modeling and Monte Carlo Simulation
p. mohammadyari*, R. Faghihi, m. mosleh shirazi, m. lotfi, A. Meigooni
SU-E-T-59 Calculations of Collimator Scatter Factors (Sc) with and Without Custom-Made Build-Up Caps for CyberKnife
S. Wokoma*, S. Lee, J. Yoon, J. Jung
SU-E-T-60 Can We Use the Same Gamma-Passing Rate When Performing 3-D Analysis as the One From Standard 2-D Comparison?
C. Schinkel*, C. Christou, K. Prado, B. Yi
SU-E-T-61 Capabilities and Considerations for the Clinical Use of Flattening Filter Free (FFF) Beams for Volumetric Modulated Arc Therapy (VMAT)
J. Moore*, Y. Zhang, M. Duhon, K. Smith, T. McNutt, J. Wong
SU-E-T-62 Cardiac Toxicity in Dynamic Conformal Arc Therapy, Intensity-Modulated Radiation Therapy and Volumetric Modulated Arc Therapy of Lung Cancers
X. Ming*, Y. Feng, Y. Zhang, L. Zhou, J. Deng
SU-E-T-63 Carotid Sparing Tomohelical Three Dimensional Conformal Radiotherapy for T1N0 Glottic Cancer
C. Hong*, S. Ju, Y. Ahn, D. Oh, J. Noh, K. Chung, J. Kim, Y. Han, D. Choi
SU-E-T-64 CG-Based Radiation Therapy Simulator with Physical Modeling for Avoidance of Collisions Between Gantry and Couch Or Patient
M. Yamanouchi*, H. Arimura, I. Yuda
SU-E-T-65 Characterization of a 2D Array for QA and Pretreatment Plan Verification
A. Anvari*, S. Aghamiri, S. Mahdavi, P. Alaei
SU-E-T-66 Characterization of Radiation Dose Associated with Dark Currents During Beam Hold for Respiratory-Gated Electron Therapy
J. Hessler*, N. Gupta, Y. Rong, M. Weldon
SU-E-T-67 Clinical Implementation and Evaluation of the Acuros Dose Calculation Algorithm
C. Yan*, T. Combine, K. Dickens, R. Wynn, D. Pavord, M. Huq
SU-E-T-68 Clinical Implementation of Total Skin Electron Beam Therapy: A New-York Presbyterian Hospital Experience
M. Afghan*, R. Shih, H. Chen, F. Kulidzhanov, A. Sabbas
SU-E-T-69 Cloud-Based Monte Carlo Patient-Specific Quality Assurance (QA) Method for Volumetric Modulated Arc Therapy (VMAT)
X. Chen*, L. Xing, J. Azcona, G. Luxton, K. Bush
SU-E-T-70 Commissioning a Multislice CT Scanner for X-Ray CT Polymer Gel Dosimetry
H. Johnston*, M. Hilts, A. Jirasek
SU-E-T-71 Commissioning and Acceptance Testing of a Commercial Monte Carlo Electron Dose Calculation Model (eMC) for TrueBeam
R. Sheu*, T. Tseng, A. Powers, Y. Lo
SU-E-T-72 Commissioning of a Standardized SRS Cone Set: Determination of the Bolus Gap Factors in a Passively Scattered Proton Beam
R. Simpson*, I. Gordon, A. Ghebremedhin, A. Wroe, R. Schulte, D. Bush, J. Slater, B. Patyal
SU-E-T-73 Commissioning of a Treatment Planning System for Proton Spot Scanning
J. Saini*, S. Bowen, Y. Kang, L. Schultz, C. Bloch, D. Nicewonger, M. Herrera, T. Wong
SU-E-T-74 Commissioning of the Elekta VersaHD Linear Accelerator
Y. Zhang*, K. Ding, R. Hobbs, X. Liang, T. Zhu, T. McNutt, K. Wang
SU-E-T-75 Commissioning Optically Stimulated Luminescence Dosimeters for Fast Neutron Therapy
L. Young*, F. Yang, D. Woodworth, Z. McCormick, G. Sandison
SU-E-T-76 Comparing Homogeneity Between Gafchromic Film EBT2 and EBT3
H. Mizuno*, I. Sumida, H. Mizuno, K. Ogawa, A. Tanaka
SU-E-T-77 Comparison of 2D and 3D Gamma Analysis in Patient-Specific QA for Prostate VMAT Plans
F. Clemente*, C. Perez
SU-E-T-78 Comparison of Dose-Averaged Linear Energy Transfer Calculation Methods Used in Monte Carlo Simulations of Clinical Proton Beams
M. Cortes-Giraldo*, A. Carabe-Fernandez
SU-E-T-79 Comparison of Doses Received by the Hippocampus in Patients Treated with Single Vs Multiple Isocenter Based Stereotactic Radiation Therapy to the Brain for Multiple Brain Metastases
O. Algan, J. Giem, J. Young, I. Ali, S. Ahmad, S. Hossain*
SU-E-T-80 Comparison of Fluence-Based RapidArc QAs Using EPID and MapCHECK 2
H. Jin*, F. Jesseph, S. Ahmad
SU-E-T-81 Comparison of Microdosimetric Quantities Calculated Using the Track Structure Monte Carlo Algorithms Geant4-DNA and NOREC
J. Lucido*, I. Popescu, V. Moiseenko
SU-E-T-82 Comparison of Several Lumbar Intervertebral Fusion Titanium Cages with Respect to Their Backscattering Properties
T. Failing*, N. Chofor, D. Poppinga, A. Schoenfeld, K. Willborn, B. Poppe
SU-E-T-83 Comparison of the Dosimetric Efficacy of Helical Dynamic Jaw Vs. Fixed Jaw of TomoTherapy HDA
E. Han*, D. Kim, X. Zhang, X. Liang, A. Wurtz, M. Hardee, J. Penagaricano, R. Vaneerat, S. Morrill
SU-E-T-84 Comparison of Three Different Systems for Patient-Specific Quality Assurance: Cranial Stereotactic Radiosurgery Using VMAT with Multiple Non Coplanar Arcs
M. Fusella*, C. Fiandra, F. Giglioli, U. Ricardi, R. Ragona
SU-E-T-85 Comparison of Treatment Plans Calculated Using Ray Tracing and Monte Carlo Algorithms for Lung Cancer Patients Having Undergone Radiotherapy with Cyberknife
A. Pennington*, R. Selvaraj, T. Leventouri, S. Kirkpatrick, S. Oliveira
SU-E-T-86 Comparison of Two Commercially Available Programs for the Evaluation of Delivered Daily Dose Using Cone Beam CT (CBCT)
R. Tuohy*, C. Bosse, P. Mavroidis, Z. Shi, R. Crownover, N. Papanikolaou, S. Stathakis
SU-E-T-87 Comparison Study of Dose Reconstruction From Cylindrical Diode Array Measurements, with TLD Measurements and Treatment Planning System Calculations in Anthropomorphic Head and Neck and Lung Phantoms
S. Benhabib*, R. Cardan, A. Faught, M. Huang, I. Brezovich, D. Followill, R. Popple
SU-E-T-88 Comprehensive Automated Daily QA for Hypo- Fractionated Treatments
C. McGuinness*, O. Morin
SU-E-T-89 Comprehensive Quality Assurance Phantom for the Small Animal Radiation Research Platform
m. jermoumi*, H. Korideck, P. Zygmanski, R. Berbeco, G. Makrigiorgos, R. Cormack, W. Ngwa
SU-E-T-90 Concrete Forward-Scatter Fractions for Radiotherapy Shielding Applications
S. Tanny*, E. Parsai
SU-E-T-91 Correction Method to Determine Surface Dose for OSL Detectors
T. Reynolds*, P. Higgins
SU-E-T-92 Creation of a Comprehensive Head and Model Using Knowledge Based Planning
J. ALPUCHE AVILES*, D. Sasaki, K. Sutherland, B. Kane
SU-E-T-93 Creation of Standardized APBI SAVI Cavities Using CT Registration
R. Dahl*
SU-E-T-94 Daily Fraction Dose Recalculation Based On Rigid Registration Using Cone Beam CT
C. Bosse*, R. Tuohy, P. Mavroidis, Z. Shi, R. Crownover, N. Papanikolaou, S. Stathakis
SU-E-T-95 Delivery Time Estimator
M. Kantor*, P. Balter, J. Ohrt
SU-E-T-96 Demonstration of a Consistent Method for Correcting Surface Dose Measurements Using Both Solid State and Ionization Chamber Detectors
T. Reynolds*, B. Gerbi, P. Higgins
SU-E-T-97 Dependence Of Optically Stimulated Luminescent Dosimeter (OSLD) Out Of Field Response On Volumetric Modulated Arc Therapy (VMAT) Field Modulation
S. Ware*, E. Clouser
SU-E-T-98 Dependence of Radiotherapy Couch Transmission Factors On Field Size and Couch-Isocenter Distance
S. Benhabib*, J. Duan, X. Wu, R. Cardan, S. Shen, M. Huang, R. Popple, I. Brezovich
SU-E-T-99 Design and Development of Isocenter Parameter System for CT Simulation Laser Based On DICOM RT
G. Luo*
SU-E-T-100 Designing a QA Tool for Enhance Dynamic Wedges Based On Dynalog Files
A. Yousuf*, a. hussain
SU-E-T-101 Determination and Comparison of Correction Factors Obtained for TLDs in Small Field Lung Heterogenous Phantom Using Acuros XB and EGSnrc
R. Soh*, J. Lee, F. Haryanto
SU-E-T-102 Determination of Dose Distributions and Water-Equivalence of MAGIC-F Polymer Gel for 60Co and 192Ir Brachytherapy Sources
A. Quevedo*, P. Nicolucci
SU-E-T-103 Development and Implementation of Web Based Quality Control Software
R. Studinski*, R. Taylor, C. Angers, D. La Russa, B. Clark
SU-E-T-104 Development of 3 Dimensional Dosimetry System for Gamma Knife
k. Yoon*, J. Kwak, B. Cho, D. Lee, S. Ahn
SU-E-T-105 Development of 3D Dose Verification System for Volumetric Modulated Arc Therapy Using Improved Polyacrylamide-Based Gel Dosimeter
K. Ono*, S. Fujimoto, S. Hayashi, M. Miyazawa, Y. Akagi, Y. Hirokawa
SU-E-T-106 Development of a Collision Prediction Algorithm for Determining Problematic Geometry for SBRT Treatments Using a Stereotactic Body Frame
M. Wagar*, S. Friesen, E. Mannarino, F. Hacker
SU-E-T-107 Development of a GPU-Based Dose Delivery System for Adaptive Pencil Beam Scanning
S. Giordanengo*, G. Russo, F. Marchetto, V. Monaco, A. Pella, M. Varasteh Anvar, A. Attili
SU-E-T-108 Development of a Novel Clinical Neutron Dose Monitor for Proton Therapy Based On Twin TLD500 Chips in a Small PE Moderator
R. Hentschel*, B. Mukherjee
SU-E-T-109 Development of An End-To-End Test for the Varian TrueBeamtm with a Novel Multiple-Dosimetric Modality H&N Phantom
V. Zakjevskii*, C. Knill, J. Rakowski, M. Snyder
SU-E-T-110 Development of An Independent, Monte Carlo, Dose Calculation, Quality Assurance Tool for Clinical Trials
A. Faught*, S. Davidson, J. Fontenot, S. Kry, C. Etzel, G. Ibbott, D. Followill
SU-E-T-111 Development of Proton Dosimetry System Using Fiber-Optic Cerenkov Radiation Sensor Array
J. Son*, M. Kim, U. Hwang, S. Lee, Y. Lim, J. Kim, M. Yoon, D. SHIN
SU-E-T-112 Dose Distribution of Praseodymium-142 Microspheres in Microcapillary Using Radiochromic Film Dosimetry and Applications in Hepatocellular Carcinoma Microsphere Brachytherapy
C. Ferreira*, K. Rasmussen, J. Jung
SU-E-T-113 Dose Distribution Using Respiratory Signals and Machine Parameters During Treatment
T. Imae*, A. Haga, S. Naoya, S. Kida, M. Nakano, Y. Takeuchi, T. Shiraki, K. Yano, H. Yamashita, K. Nakagawa, K. Ohtomo
SU-E-T-114 Dose Modification for Cs-131 Permanent Implants Using Resensitization-Corrected Normal Tissue BED
W. Luo*, M. Randall, J. Molloy, P. Aryal, J. Feddock, C. Wooten
SU-E-T-115 Dose Perturbation Study of Self-Expandable Metal and Polyester Esophageal Stents in Proton Therapy Beams
S. Lee*, S. Jalaj, C. McGaw, B. John, J. Scolapio, J. Munoz, Z. Li
SU-E-T-116 Dose Response in the Treatment of Unresectable Cholangiocarcinoma with Yttrium-90 Microspheres
S. Yu*, G. Green, V. Sehgal, g. samford, J. kuo, D. Imagawa, D. Fernando, M. Al-Ghazi
SU-E-T-117 Dose to Organs Outside of CT Scan Range- Monte Carlo and Hybrid Phantom Approach
C. Pelletier*, C. Lee, J. Jung, J. Kim, C. Lee
SU-E-T-118 Dose Verification for Accuboost Applicators Using TLD, Ion Chamber and Gafchromic Film Measurements
W. Chisela*, R. Yao, G. Dorbu
SU-E-T-119 Dosimetric and Mechanical Characteristics of Elekta Infinity LINAC with Agility MLC
J. Park*, Q. Xu, J. Xue, Y. Zhai, L. An, Y. Chen
SU-E-T-120 Dosimetric Characteristics Study of NanoDot™ for In-Vivo Dosimetry
a. hussain*, A. Wasaye, R. Gohar, L. Rehman, S. Hussein
SU-E-T-121 Dosimetric Characterization of Gafchromic Film EBT3 Using Vidar DosimetryPro Advantage RED and EPSON Expression 10000XL Scanners
L. Medina, A. Adrada, M. Filipuzzi, E. Garrigo, C. Venencia*
SU-E-T-122 Dosimetric Comparison Between Cone, HDMLC and MicroMLC for the Treatment of Trigeminal Neuralgia
N. Vacca, L. Caussa, M. Filipuzzi, E. Garrigo, C. Venencia*
SU-E-T-123 Dosimetric Comparison Between Portrait and Landscape Orientations in Radiochromic Film Dosimetry
Y. Kakinohana*, T. Toita, G. Kasuya, T. Ariga, J. Heianna, S. Murayama
SU-E-T-124 Dosimetric Comparison of HDR Brachytherapy and Intensity Modulated Proton Therapy
J. Wu*, H. Wu, I. Das
SU-E-T-125 Dosimetric Comparison of Intensity Modulated Radiation Therapy Using Robotic Versus Traditional Linac Platform in Prostate Cancer
T. Hayes*, J. Yang, C. Sims, J. Rella, C. Fung
SU-E-T-126 Dosimetric Comparisons of VMAT, IMRT and 3DCRT for Locally Advanced Rectal Cancer with Simultaneous Integrated Boost
J. Zhao, J. Wang, Z. Zhang, W. Hu*
SU-E-T-127 Dosimetric Evaluation Microbeam Treatment Method Using Monoenergetic Photon μ-Beams
P. Tsiamas*, K. Marcus, J. Lewis
SU-E-T-128 Dosimetric Evaluation of MLC Modeling in Pinnacle V9.2 for Varian TrueBeam STx
P. Otageri*, E. Grant, S. Maricle, B. Mathews
SU-E-T-129 Dosimetric Evaluation of the Impact of Density Correction On Dose Calculation of Breast Cancer Treatment: A Study Based On RTOG 1005 Cases
J. Li*, Y. Yu
SU-E-T-130 Dosimetric Evaluation of Tissue Equivalent Gel Dosimeter Using Saccharide in Radiotherapy System
Y. Cho*, D. Lee, H. Jung, Y. Ji, K. Kim, U. Chang, S. Kwon
SU-E-T-131 Dosimetric Impact and Evaluation of Different Heterogenity Algorithm in Volumetric Modulated Arc Therapy Plan for Stereotactic Ablative Radiotherapy Lung Treatment with the Flattening Filter Free Beam
J. Chung*, J. Lee, Y. Kim, J. Kim
SU-E-T-132 Dosimetric Impact of Positioning Errors in Hypo-Fractionated Cranial Radiation Therapy Using Frameless Stereotactic BrainLAB System
V. Keeling*, H. Jin, I. Ali, S. Ahmad
SU-E-T-133 Dosimetric Impact of Scan Orientation Relative to Target Motion During Spot Scanning Proton Therapy
J. Stoker*, P. Summers, X. Li, D. Gomez, N. Sahoo, X. Zhu, M. Gillin
SU-E-T-134 Dosimetric Implications From Organ Segmentation
Z. Wu*, J. Turian, J. Chu
SU-E-T-135 Dosimetric Properties of the OCTAVIUS Detector 1500
T. Stelljes*, A. Harmeyer, J. Reuter, H. Looe, N. Chofor, D. Harder, B. Poppe
SU-E-T-136 Dosimetric Robustness of a Magnetic Resonance Imaging Guided Radiation Therapy (MR-IGRT) System
V. Rodriguez*, O. Green, H. Wooten, R. Kashani, J. Dempsey, S. Mutic, H. Li
SU-E-T-137 Dosimetric Validation for Pinnacle, Acuros, AAA, and Brainlab Algorithms with Induced Inhomogenieties
P. Lopez*, R. LaFontaine, L. Burns, M. Tambasco
SU-E-T-138 Dosimetric Verification For Volumetric Modulated Arc Therapy Cranio-Spinal Irradiation Technique
E. Goksel*, H. Bilge, Y. Yildiz Yarar
SU-E-T-139 Dynamic Conformal Arcs Vs. VMAT for Stereotactic Lung Target Treatment Planning
J. Hershberger*, M. Morales, G. Ding
SU-E-T-140 Dynamic Wave Arc Trajectory Verification Using KV X-Ray Fluoroscopy
M. BURGHELEA*, K. Poels, T. Depuydt, K. Tournel, D. Verellen, M. De Ridder
SU-E-T-141 Effect of a Single Gold Nanoparticle with Different Sizes Inside a Small Water Phantom
J. Jing*, H. Lin, Z. Xiong
SU-E-T-142 Effect of the Bone Heterogeneity On the Unflattened and Flattened Photon Beam Dosimetry: A Monte Carlo Comparison
J. Chow*, A. Owrangi
SU-E-T-143 Effect of X-Ray and Cone Beam CT Reconstruction Parameters On Estimation of Bone Volume of Mice Used in Aging Research
M. Russ*, M. Pang, B. Troen, S. Rudin, C. Ionita
SU-E-T-144 Effective Analysis of VMAT QA Generated Trajectory Log Files for Medical Accelerator Predictive Maintenance
C. Able, A. Baydush*, C. Nguyen, J. Gersh, A. Ndlovu, I. Rebo, J. Booth, M. Perez, B. Sintay, M. Munley
SU-E-T-145 Effects of Temporary Tachytherapy Inhibition Magnet On MOSFET Dose Measurements of Cardiovascular Implantable Electronic Devices (CIED) in Radiation Therapy Patients
C. Joshi*, G. Salomons, C. Peters, M. Lalonde, A. Kerr
SU-E-T-146 Effects of Uncertainties of Radiation Sensitivity of Biological Modelling for Treatment Planning
M. Oita*
SU-E-T-147 Efficacy of Prostate SBRT When the Daily Anatomy Differs Significantly From the Baseline Anatomy
K. Masi*, M. Sigler, J. Maier, M. Snyder
SU-E-T-148 Efficient Verification Method for Modulated Electron Radiotherapy Treatment Plans
D. Henzen*, C. Chatelain, P. Manser, D. Frei, W. Volken, H. Neuenschwander, A. Joosten, K. Lössl, D. Aebersold, M. Fix
SU-E-T-149 Electron Beam Profile Differences Between Elekta MLCi2 and Elekta Agility Treatment Heads
C. Wu*, C. Hatcher
SU-E-T-150 End to End Tests On the First Clinical EDGETM
S. Scheib*, P. Schmelzer, S. Vieira, C. Greco
SU-E-T-151 Enhanced Radiation Attenuation with Multi-Layer Foils
L. Warmington*, Y. Watanabe
SU-E-T-152 Error Sensitivity and Superiority of a Protocol for 3D IMRT Quality Assurance
G. Gueorguiev*, C. Cotter, J. Turcotte, G. Sharp, M. Mah'D, B. Crawford
SU-E-T-153 Establish a Comprehensive Patient-Specific Plan QA Database for Instituitional Quality Control Program
X. Ding*, A. Olszanski, R. Scheuermann, M. Bellerive, T. Solberg
SU-E-T-154 Establishment and Implement of 3D Image Guided Brachytherapy Planning System
S. Jiang*, S. Jiang, S. Zhao, Y. Chen, Z. Li, P. Li, Z. Huang, Z. Yang, X. Zhang
SU-E-T-155 Evaluating IMRT and Volumetric Arc Therapy Patient-Specific Quality Assurance by Using Octavius 4D System
H. Lee*, Y. Jen
SU-E-T-156 Evaluating VMAT Dose Accuracy Using 3D Detector Systems:A Comparative Study with Intentional MLC Errors
C. Johnson*, R. Varadhan, P. Higgins
SU-E-T-157 Evaluation and Comparison of Doses to Pelvic Lymph Nodes and to Point B with 3D Image Guided Treatment Planning for High Dose Brachytherapy for Treatment of Cervical Cancer
n. bhandare*
SU-E-T-159 Evaluation of a Patient Specific QA Tool Based On TG119
S. Ashmeg*, Y. Zhang, J. O'Daniel, F. Yin, L. Ren
SU-E-T-160 Evaluation of Accuracy for Target Margin Size Obtained From CBCT On Lung SBRT Based On Film Dosimetry
S. Lee*, J. Park, S. Park, M. Lee, M. Kim, T. Suh
SU-E-T-161 Evaluation of Dose Calculation Based On Cone-Beam CT
T. Abe*, K. Tateoka, k. fujimoto, t. nakazawa, y. saito, a. nakata, m. yano, K. Sakata
SU-E-T-162 Evaluation of Dose Calculation of RayStation Planning System in Heterogeneous Media
H. Xu*, B. Yi, H. Chung, K. Prado, S. Chen
SU-E-T-163 Evaluation of Dose Distributions Recalculated with Per-Field Measurement Data Under the Condition of Respiratory Motion During IMRT for Liver Cancer
J. Song*, M. Yoon, T. Nam, S. Ahn, W. Chung
SU-E-T-164 Evaluation of Electron Dose Distribution Using Two Algorithms
D. Liu, J. Yang*, Z. Li, K. Shang, Z. Jing, J. Wang, M. Miao
SU-E-T-165 Evaluation of Inhomogeneity Calculations for Electron Beams in Raystation Monte Carlo Algorithm
P. Sansourekidou*, C. Allen, D. Pavord
SU-E-T-166 Evaluation of Integral Dose in Intensity-Modulated Radiotherapy and Volumetric Modulated Arc Therapy for Head and Neck Cancer Patient
A. Al-Basheer*, J. Hunag, J. Kaminski, B. Dasher, J. Howington, J. Stewart, D. Martin, F. Kong, J. Jin
SU-E-T-167 Evaluation of Mobius Dose Calculation Engine Using Out of the Box Preconfigured Beam Data
R. Cardan*, A. Faught, M. Huang, S. Benhabib, I. Brezovich, D. Followill, R. Popple
SU-E-T-168 Evaluation of Normal Tissue Damage in Head and Neck Cancer Treatments
H. Ai*, H. Zhang
SU-E-T-169 Evaluation of Oncentra TPS for Nasopharynx Brachy Using Patient Specific Voxel Phantom and EGSnrc
K. Hadad*, M. Zoherhvand, R. Faghihi
SU-E-T-170 Evaluation of Rotational Errors in Proton Therapy Planning of Lung Cancer
S. Rana*, L. Zhao, E. Ramirez, H. Singh, Y. Zheng
SU-E-T-171 Evaluation of the Analytical Anisotropic Algorithm in a Small Finger Joint Phantom Using Monte Carlo Simulation
J. Chow*, A. Owrangi, R. Jiang
SU-E-T-172 Evaluation of the Exradin A26 Ion Chamber in Megavoltage Photon Beams as a Reference Class Instrument
M. McEwen*
SU-E-T-173 Evaluation of the MicroSTAR Reader for the OSLD System for Remote Dosimetry Audits at the IROC HQAC
P. Alvarez*, S. Gonzalez, L. McDonald, D. Followill
SU-E-T-174 Evaluation of the Optimal Intensity Modulated Radiation Therapy Plans Done On the Maximum and Average Intensity Projection CTs
I. Jurkovic*, S. Stathakis, Y. Li, A. Patel, J. Vincent, N. Papanikolaou, P. Mavroidis
SU-E-T-175 Evaluation of the Relative Output Ratio for Collimator Jaw and MLC Defined Small Static 6MV Photon Fields
G. Cho*, D. Thwaites
SU-E-T-176 Examination of Surface Dose Enhancement Using Radiochromic EBT3-Films in a Cylindrical Setup
T. Failing*, N. Chofor, D. Poppinga, A. Schoenfeld, K. Willborn, B. Poppe
SU-E-T-177 Experience Based Predicition Model For Automated VMAT Planning: A Cervical Cancer Application
Z. Liang*, S. Qi, Z. Yang, Q. Li
SU-E-T-178 Experimental Study of Acceptable Movement Conditions for SBRT Lung Treatments
P. Carrasco de Fez, A. Ruiz-Martínez, N. Jornet, T. Eudaldo, A. Latorre-Musoll, M. Ribas Morales*
SU-E-T-179 Exploring Appropriate Offset Values for Pencil Beam and Monte Carlo Dose Optimization in Lung Stereotactic Body Radiotherapy Encompassing the Effects of Respiration and Tumor Location
G. Evans*, C. Shang, T. Leventouri
SU-E-T-180 Fano Cavity Test of Proton Transport in Monte Carlo Codes Running On GPU and Xeon Phi
E. Sterpin*, J. Sorriaux, J. Schuemann, K. Souris, J. Lee, S. Vynckier, X. Jia, S. Jiang, H. Paganetti
SU-E-T-181 Feasibility and Robustness of Using Overlapping VMAT Arcs for Conformal Irradiation of Large Irregular PTVs
H. Liu*, J. Kim, Z. Chen
SU-E-T-182 Feasibility of Dose Painting by Numbers in Proton Therapy with Contour-Driven Plan Optimization
A. Barragan Montero*, S. Differding, J. Lee, E. Sterpin
SU-E-T-183 Feasibility of Extreme Dose Escalation for Glioblastoma Multiforme Using 4π Radiotherapy
D. Nguyen*, J. Rwigema, V. Yu, T. Kaprealian, P. Kupelian, M. Selch, D. Low, K. Sheng
SU-E-T-184 Feasibility of Superabsorbent Polymers as a Buildup Material
A. Powers*, T. Tseng, R. Sheu, Y. Lo
SU-E-T-185 Feasibility Study of Dose Rate Modulated Arc Therapy (DrMAT) for Lung SBRT
Y. KO*, B. Cho, B. Yi, J. Kwak, S. Song, H. Je, S. Ahn, Y. Noh
SU-E-T-186 Feasibility Study of Glass Cherenkov Detector for Prompt Gamma Detection in Proton Therapy
A. Lau*, Y. Chen, S. Ahmad
SU-E-T-187 Feasibility Study of Stereotactic Liver Radiation Therapy Using Multiple Divided Partial Arcs in Volumetric Modulated Arc Therapy
Y. Lin*, S. Ozawa, U. Tsegmed, T. Nakashima, T. Shintaro, Y. Ochi, D. Kawahara, T. Kimura, Y. Nagata
SU-E-T-188 Film Dosimetry Verification of Monte Carlo Generated Electron Treatment Plans
S. Enright*, A. Asprinio, L. Lu
SU-E-T-189 First Experimental Verification of the Accuracy of Absolute Dose Reconstruction From PET-CT Imaging of Yttrium 90 Microspheres
I. Veltchev*, E. Fourkal, M. Doss, C. Ma, J. Meyer, M. Yu, E. Horwitz
SU-E-T-190 First Integration of Steriotactic Radiotherapy Planning System Iplan with Elekta Linear Accelerator
S. Biplab*, R. Soumya, s. Paul, K. Jassal, A. Munshi, U. Giri, V. Kumar, S. Roy, T. Ganesh, B. Mohanti
SU-E-T-191 First Principle Calculation of Quantum Yield in Photodynamic Therapy
R. Abolfath*, F. Guo, Z. Chen, R. Nath
SU-E-T-192 FMEA Severity Scores - Do We Really Know?
J. Tonigan*, J. Johnson, S. Kry, P. Balter, L. Court, F. Stingo, D. Followill
SU-E-T-193 Form-Fitting Cloth as a Source of Beta Particle Irradiation
A. Khan*, D. Robertson, V. Narra, N. Yue, R. Howell
SU-E-T-194 From Dicom-RT to Radiobiological Dose Metrics in 5 Minutes
B. Whelan*, L. Holloway
SU-E-T-195 Gantry Angle Dependency of MLC Leaf Position Error
S. Ju*, C. Hong, M. Kim, K. Chung, J. Kim, Y. Han, S. Ahn, S. Chung, E. Shin, J. Shin, H. Kim, D. Kim, D. Choi
SU-E-T-196 Heat Diffusion Modeling for Digital Holographic Interferometry Dosimetry
A. Cavan, J. Meyer*
SU-E-T-197 Helical Cranial-Spinal Treatments with a Linear Accelerator
J. Anderson*, D. Bernard, Y. Liao, A. Templeton, J. Turian, J. Chu
SU-E-T-198 Hippocampal-Sparing Radiotherapy (HSRT) for Patients with Head and Neck Cancer (HNC) Using Intensity-Modulated Radiation Therapy (IMRT)
A. Dunlop*, L. Welsh, C. Nutting, K. Harrington, S. Bhide, k. Newbold
SU-E-T-199 How Number of Control Points Influences the Dynamic IMRT Plan Quality and Deliverability
s. sharma*, D. Manigandan, S. Chander, V. Subramani, P. Julka, G. Rath
SU-E-T-200 IBA ProteusOne Compact Proton Therapy System Radiation Survey Results
J. Zhang*, J. Syh, J. Syh, M. White, B. Patel, X. Song, H. Wu
SU-E-T-201 Impact of Gantry and Table Angles On Proton Range in XiO Treatment Planning System
S. Rana*, Y. Zheng
SU-E-T-202 Impact of Monte Carlo Dose Calculation Algorithm On Prostate SBRT Treatments
C. Venencia*, E. Garrigo, J. Cardenas, P. Castro Peña
SU-E-T-203 Improvement of Dosimetric Quality and Delivery Efficiency with TomoEdge Dynamic Jaws
J. Abraham*, S. Qi, J. DeMarco, D. Low
SU-E-T-204 Improving Multiple Isocenter Coincidence: Elekta Beam Modulator with HexaPOD Six Degrees Couchtop
W. Duggar*, P. Rajaguru, C. Yang
SU-E-T-205 Improving Quality Assurance of HDR Brachytherapy: Verifying Agreement Between Planned and Delivered Dose Distributions Using DICOM RTDose and Advanced Film Dosimetry
A. Palmer*, D. Bradley, A. Nisbet
SU-E-T-206 Improving Radiotherapy Toxicity Based On Artificial Neural Network (ANN) for Head and Neck Cancer Patients
D. Cho*, G. Wernicke, D. Nori, C. Chao, B. Parashar, J. Chang
SU-E-T-207 In Vivo Verification of Local Hyperthermia in the Liver
J. Noh, H. Kim*, S. Lee, H. Park, Y. Han, Y. Kim
SU-E-T-208 Incidence Cancer Risk From the Radiation Treatment for Acoustic Neuroma Patient
D. Kim*, W. Chung, D. Shin, M. Yoon
SU-E-T-209 Independent Dose Calculation in FFF Modulated Fields with Pencil Beam Kernels Obtained by Deconvolution
J. Azcona*, J. Burguete
SU-E-T-210 Independent MU Dose Calculation Software for S&S IMRT Using Modified Clarkson Integration Sector
A. Adrada, E. Miller, Z. Tello, L. Medina, E. Garrigo, C. Venencia*
SU-E-T-211 Induced Release of Nanocarrier Encapsulated Chemotherapeutic Drugs Using Proton Radiotherapy Beams
J. Polf*, R. Fernando, I. Jackson, Y. Zheng, A. Ranjan
SU-E-T-212 Influence of the Modulation Index On Daily Quality Assurance in Rapid Arc Treatments
C. Wessels*, J. Dumas, P. Francois, A. Mazal
SU-E-T-213 Initial Experience with VMAT Plan and Delivery Verification Using a DICOM-RT Framework and Linac Delivery Log Files
R. Reynolds*, A. Pompos, X. Gu, S. Jiang, S. Stojadinovic
SU-E-T-214 Intensity Modulated Proton Therapy (IMPT) Based On Passively Scattered Protons and Multi-Leaf Collimation: Prototype TPS and Dosimetry Study
D. Sanchez Parcerisa*, A. Carabe-Fernandez
SU-E-T-215 Interactive Dose Shaping: Proof of Concept Study for Six Prostate Patients
C. Kamerling*, P. Ziegenhein, F. Sterzing, U. Oelfke
SU-E-T-216 Intercomparison of CyberKnife and GammaKnife Stereotactic Radiosurgery Treatment Plans for Metastatic Brain Tumors
K. Rasmussen*, D. Spirgin, C. Ferreira, S. Stephenson, J. Rice, Y. Feng, Z. Huang, A. Ju
SU-E-T-217 Intrinsic Respiratory Gating in Small Animal CT
Y. Liu*, M. Smith, N. Mistry
SU-E-T-218 Investigating the Differences in Out-Of-Field Dose Between An Inherently Uniform Beam and a Flattening Filter Free Beam Made Uniform Through Inverse Modulation
J. Gray*, W. Yao, E. Ekwelundu, J. Farr
SU-E-T-219 Investigation of IMRT Out-Of-Field Dose Calculation Accuracy for a Commercial Treatment Planning System
D. Dellamonica*, G. Ding
SU-E-T-220 Investigation of Intrafraction Changes to Photon Beam Profiles
D. Sterling*, E. Ehler
SU-E-T-221 Investigation of Lower Energy (< 6 MV) Photon Beams for Cancer Radiotherapy
Y. Zhang*, Y. Feng, X. Ming, L. Zhou, M. Ahmad, K. Nguyen, M. Griffin, J. Deng
SU-E-T-222 Investigation of Pre and Post Irradiation Fading of the TLD100 Thermoluminescence Dosimetry for Photon Beams
s. sina, M. Sadeghi, R. Faghihi*, S. Sarshogh
SU-E-T-223 Investigation of the Accuracy of Two-Dimensional Dose Distributions Measurement From High-Dose-Rate Brachytherapy Ir-192 Source Using Multiple-Diode-Array Detector (MapCheck2)
J. Taguenang*, T. De La Fuente Herman, S. Ahmad, I. Ali
SU-E-T-224 Is Monte Carlo Dose Calculation Method Necessary for Cyberknife Brain Treatment Planning?
L. Wang*, E. Fourkal, S. Hayes, L. Jin, C. Ma
SU-E-T-225 It Is Necessary to Contouring the Brainstem On MRI Images in Radiotherapy of Head and Neck Cancer
G. Gong*, C. Liu, Y. Yin
SU-E-T-226 Junction Free Craniospinal Irradiation in Linear Accelerator Using Volumetric Modulated Arc Therapy : A Novel Technique Using Dose Tapering
S. Biplab*, R. Soumya, s. Paul, A. Munshi, S. Roy, K. Jassal, T. Ganesh, B. Mohanti
SU-E-T-227 Least Restrictive Assignment of Dose-Distance Differences (LRAD) in IMRT On a Conventional Linac
P. Dong*, B. Faddegon
SU-E-T-228 Liquid Ionisation Chamber Array and MicroDiamond Measurements with the CyberKnife System
D. Poppinga*, H. Looe, T. Stelljes, O. Blanck, D. Harder, B. Poppe
SU-E-T-229 Machine Learning Methods for Knowledge Based Treatment Planning of Prostate Cancer
L. Hu*, L. Yuan, Y. Ge, F. Yin, Q. Wu
SU-E-T-230 Measurement of Proton-Activated Positron Emission with PRESAGE 3-D Dosimeters
M. Carroll*, J. Adamovics, O. Mawlawi, G. Ibbott
SU-E-T-231 Measurements of Gold Nanoparticle-Mediated Proton Dose Enhancement Due to Particle-Induced X-Ray Emission and Activation Products Using Radiochromic Films and CdTe Detector
J. Cho*, N. Manohar, S. Krishnan, S. Cho
SU-E-T-232 Micro Diamonds - Determination of Their Lateral Response Function Via Gap-Beam Dose Profiles
D. Poppinga*, H. Looe, N. Chofor, A. Schoenfeld, J. Fischer, J. Meyners, B. Delfs, T. Stelljes, C. Verona, G. Verona-Rinati, M. Marinelli, D. Harder, B. Poppe
SU-E-T-233 Modeling Linac Couch Effects On Attenuation and Skin Dose
L. Xiong*, P. Halvorsen
SU-E-T-234 Modulated Photon Radiotherapy (XMRT):The Impact of Incorporating Energy Modulation Into Intensity Modulated Radiotherapy (IMRT) Optimization
P. McGeachy*, R. Khan
SU-E-T-235 Monte Carlo Analysis of the Dose Enhancement in the Scalp of Patients Due to Titanium Plate Backscatter During Post-Operative Radiotherapy
M. Hardin*, E. Wolf, H. Elson, R. Warnick, M. Lamba
SU-E-T-236 Monte Carlo Calculations for Radiosurgery of the Clivus
A. Ho*, I. Gibbs, S. Chang, S. Soltys
SU-E-T-237 Monte Carlo Dosimetric Characterization of the Mobetron Mobile Linac
F. García, D. Granero, J. Vijande*, J. Perez-Calatayud, F. Ballester
SU-E-T-238 Monte Carlo Estimation of Cerenkov Dose for Photo-Dynamic Radiotherapy
O. Chibani*, A. Eldib, R. Price, G. Mora, C. Ma
SU-E-T-239 Monte Carlo Modelling of SMC Proton Nozzles Using TOPAS
K. Chung*, J. Kim, J. Shin, Y. Han, S. Ju, C. Hong, D. Kim, H. Kim, E. Shin, S. Ahn, S. Chung, D. Choi
SU-E-T-240 Monte Carlo Simulation of a Novel Gamma-Tomo SBRT System
G. Mora*, O. Chibani, J. Li, A. Eldib, C. Ma
SU-E-T-241 Monte Carlo Simulation Study About the Prediction of Proton-Induced DNA Strand Breakage On the Double Helix Structure
J. Shin*, S. Park, J. Jeong, C. Jeong, Y. Lim, D. SHIN, S. Incerti, S. Lee
SU-E-T-242 Monte Carlo Simulations Used to Test the Perturbation of a Reference Ion Chamber Prototype Used for Small Fields
L. Vazquez Quino*, O. Calvo, C. Huerta, M. DeWeese
SU-E-T-243 MonteCarlo Simulation Study of Polymer and Radiochromic Gel for Three-Dimensional Proton Dose Distribution
M. Park*, H. Jung, G. Kim, Y. Ji, K. kim, S. Park
SU-E-T-244 Motion Control Challenges in High Dose Rate Brachytherapy
M. Hyvarinen, T. Leventouri, S. Pella, N. Dumitru*
SU-E-T-245 MR Guided Focused Ultrasound Increased PARP Related Apoptosis On Prostate Cancer in Vivo
L. Chen*, X. Chen, D. Cvetkovic, D. Yang, R. Gupta, C. Ma
SU-E-T-246 MU Model Implementation for a Passively Scattered Proton Beam: Inclusion of the Bolus Gap and Nozzle Extension Factors
R. Simpson*, A. Ghebremedhin, I. Gordon, F. Piskulich, B. LeMaster, B. Patyal
SU-E-T-247 Multi-Leaf Collimator Model Adjustments Improve Small Field Dosimetry in VMAT Plans
L. Young*, F. Yang
SU-E-T-248 Near Real-Time Analysis of Radiation Delivery and Imaging, Accuracy to Ensure Patient Safety
K. Wijesooriya*, K. Seitter, V. Desai, P. Read, J. Larner
SU-E-T-249 Neutron Model Upgrade for Radiotherapy Patients Monitoring Using a New Online Detector
L. Irazola*, M. Lorenzoli, J. Terron, R. Bedogni, A. Pola, B. Sanchez Nieto, M. Romero-Expósito, F. Sanchez-Doblado
SU-E-T-250 New IMRT Sequencing Strategy: Towards Intra-Fraction Plan Adaptation for the MR-Linac
C. Kontaxis*, G. Bol, J. Lagendijk, B. Raaymakers
SU-E-T-251 Novel Multi-Stage Stereotactic Radiosurgery Technique for Large Cerebral Arteriovenous Malformations Using the Gammaknife System
C. Ding*, B. Hrycushko, S. Jiang, L. Whitworth, R. Timmerman
SU-E-T-252 On the Evaluation of Patient Specific IMRT QA Using EPID, Dynalog Files and Patient Anatomy
D. Defoor*, L. Vazquez Quino, S. Stathakis, P. Mavroidis, N. Papanikolaou
SU-E-T-253 Open-Source Automatic Software for Quantifying Biological Assays of Radiation Effects
A. Detappe*, H. Korideck, G. Makrigiorgos, R. Berbeco
SU-E-T-254 Optimization of GATE and PHITS Monte Carlo Code Parameters for Uniform Scanning Proton Beam Based On Simulation with FLUKA General-Purpose Code
K. Kurosu*, M. Takashina, M. Koizumi, I. Das, V. Moskvin
SU-E-T-255 Optimized Supine Craniospinal Irradiation with Image-Guided and Field Matched Beams
Z. Jiang*, E. Holupka, J. Naughton, H. Williams, S. Galper, H. Kun
SU-E-T-256 Optimizing the Combination of Targeted Radionuclide Therapy Agents Using a Multi-Scale Patient-Specific Monte Carlo Dosimetry Platform
A. Besemer*, B. Titz, J. Grudzinski, J. Weichert, L. Hall, B. Bednarz
SU-E-T-257 Output Constancy: Reducing Measurement Variations in a Large Practice Group
K. Hedrick*, T. Fitzgerald, R. Miller
SU-E-T-258 Parallel Optimization of Beam Configurations for CyberKnife Treatments
T. Viulet, O. Blanck, A. Schlaefer*
SU-E-T-259 Particle Swarm Optimization in Radial Dose Function Fitting for a Novel Iodine-125 Seed
X. Wu*, J. Duan, R. Popple, R. Cardan, M. Huang, S. Benhabib, S. Shen, I. Brezovich
SU-E-T-260 Pediatric Total Body Irradiation Calculations and In-Vivo Dosimetry Using Diodes and OSLD's
S. Chungbin*, m. fatyga
SU-E-T-261 Plan Quality Assurance of VMAT Using Fluence Images Reconstituted From Log-Files
Y. Katsuta*, E. Shimizu, K. Matsunaga, K. Majima
SU-E-T-262 Planning for Proton Pencil Beam Scanning (PBS): Applications of Gradient Optimization for Field Matching
H. Lin*, M. Kirk, H. Zhai, X. Ding, H. Liu, C. Hill-Kayser, R. Lustig, Z. Tochner, C. Deville, N. Vapiwala, J. McDonough, S. Both
SU-E-T-263 Point Dose Variation Using a Single Ir-192 HDR Brachytherapy Plan for Two Treatments with a Single Tandem-Ovoid Insertion for Cervical Cancer
X. Liang*, S. Morrill, M. Hardee, E. Han, J. Penagaricano, X. Zhang, R. Vaneerat
SU-E-T-264 Preliminary Results On New Optically Stimulated Luminescent Materials for Proton Therapy Dosimetry
B. Doull*, Y. Zheng, E. Yukihara
SU-E-T-265 Presage Thin Sheet Dosimeter Characterization
M. Dumas*, J. Rakowski
SU-E-T-266 Proton PBS Plan Design and Robustness Evaluation for Head and Neck Cancers
X. Liang*, S. Tang, H. Zhai, M. Kirk, A. Kalbasi, A. Lin, P. Ahn, Z. Tochner, J. McDonough, S. Both
SU-E-T-267 Proton Pencil Beam Scanning for Mediastinal Lymphoma: 4-Dimensional Feasibility Study
C. Zeng*, J. Plastaras, Z. Tochner, C. Hill-Kayser, S. Hahn, S. Both
SU-E-T-268 Proton Radiosurgery End-To-End Testing Using Lucy 3D QA Phantom
D. Choi*, I. Gordon, A. Ghebremedhin, A. Wroe, R. Schulte, D. Bush, J. Slater, B. Patyal
SU-E-T-269 Quality Assurance of Spine Volumetric Modulated Arc Therapy with Flattening Filter Free Beams Using Gafchromic EBT3 Films
Y. Choi*, B. Cho, J. Kwak, S. Ahn, E. Choi, J. Kim, S. Song, S. Yoon, Y. Kim, S. Kim, J. Park
SU-E-T-270 Quality Control of Source Strength and Indexer Length in HDR Brachytherapy Using Sun Nuclear Mapcheck2
SU-E-T-271 Quantitative Analysis of Correlations Between Patient Geometry and Dosimetric Variation for Prostate Cancer Cases Using PCA and Step-Wise Regression
T. Song*, M. Folkerts, H. Zhen, Z. Tian, L. Zhou, X. Jia, S. Jiang, X. Gu
SU-E-T-272 Radiation Damage Comparison Between Intensity Modulated Radiotherapy and Field-In-Field Technique in Breast Cancer Treatments
H. Ai*, H. Zhang
SU-E-T-273 Radiation Shielding for a Fixed Horizontal-Beam Linac in a Shipping Container and a Conventional Treatment Vault
M. Hsieh*, P. Balter, B. Beadle, P. Chi, F. Stingo, L. Court
SU-E-T-274 Radiation Therapy with Very High-Energy Electron (VHEE) Beams in the Presence of Metal Implants
C. Jensen*, B. Palma, B. Qu, P. Maxim, B. HÃ¥rdemark, E. Hynning, B. Loo, M. Bazalova
SU-E-T-275 Radiobiological Evaluation of Intensity Modulated Radiotherapy Treatment for Locally Advanced Head and Neck Squamous Cell Carcinomas
R. BUCHAPUDI*, R. MANICKAM, C. TANVIR PASHA, M. ANIL KUMAR, A. Pyakuryal, V. Chandraraj, G. Narayanasamy
SU-E-T-276 Radiochromic Film Dosimetry: Solving the Lateral Response Puzzle
D. Lewis, M. Chan*
SU-E-T-277 Raystation Electron Monte Carlo Commissioning and Clinical Implementation
C. Allen*, P. Sansourekidou, D. Pavord
SU-E-T-278 Realization of Dose Verification Tool for IMRT Plan Based On DPM
j. cai*, H. Lin, R. Cao, Y. Dai, x. pei, L. Hu
SU-E-T-279 Realization of Three-Dimensional Conformal Dose Planning in Prostate Brachytherapy
Z. Li, S. Jiang*, Z. Yang, H. Bai, X. Zhang
SU-E-T-280 Reconstructed Rectal Wall Dose Map-Based Verification of Rectal Dose Sparing Effect According to Rectum Definition Methods and Dose Perturbation by Air Cavity in Endo-Rectal Balloon
J. Park*, H. Park, J. Lee, S. Kang, M. Lee, B. Lee, T. Suh
SU-E-T-281 Reduction of Treatment Times in CyberKnife Prostate SBRT Using a Water Filled Rectal Balloon
P. Desai*, B. Caroprese, H. McKellar
SU-E-T-282 Remove Field-Size Limitation Using the Combination of Collimator Rotation and Jaw Tracking with MLC Aperture
A. Shiu*, R. Chiu, D. Cumming, E. Chung, O. Ragab, G. Cui
SU-E-T-283 Research of the Irradiation Damage to the Skin Cell by the Contaminative Electron in External Radiotherapy
Z. Xiong*, H. Lin, J. Jing, j. cai, Y. Dai
SU-E-T-284 Revisiting Reference Dosimetry for the Model S700 Axxent 50 KVp Electronic Brachytherapy Source
J. Hiatt*, M. Rivard
SU-E-T-285 Revisiting the Nomogram for Intra-Operative Planning Based Pd-103 Brachytherapy
S. Narayanan, P. Cho*
SU-E-T-286 Robustness of One- Versus Two-Isocenter SBRT for Two Lung Lesions with Rotational Setup Errors
S. Palefsky*, J. Roper, A. Dhabaan
SU-E-T-287 Robustness Study of Passive-Scattering Proton Therapy in Lung: Is Range and Setup Uncertainty Calculation On the Initial CT Enough to Predict the Plan Robustness?
X. Ding*, J. Dormer, O. Kenton, H. Liu, C. Simone, T. Solberg, L. Lin
SU-E-T-288 Root Cause Analysis for a Wrong Isocenter Error
N. Cao*, P. Sponseller, F. Yang, E. Kim, E. Ford
SU-E-T-289 Scintillating Fiber Based In-Vivo Dose Monitoring System to the Rectum in Proton Therapy of Prostate Cancer: A Geant4 Monte Carlo Simulation
B. Tesfamicael*, P. Gueye, M. Mahesh, S. Avery, D. Lyons
SU-E-T-290 Secondary Dose Monitoring Using Scintillating Fibers in Proton Therapy of Prostate Cancer: A Geant4 Monte Carlo Simulation
B. Tesfamicael*, P. Gueye, D. Lyons, S. Avery, M. Mahesh
SU-E-T-291 Sensitivity of a Simple 2D EPID in Vivo Dosimetry
S. Peca*, D. Brown
SU-E-T-292 Sensitivity of Fractionated Lung IMPT Treatments to Setup Uncertainties and Motion Effects
S. Dowdell*, C. Grassberger, H. Paganetti
SU-E-T-293 Simplifying Assumption for Determining Sc and Sp
R. King*, A. Cheung, R. Anderson, G. Thompson, M. Fletcher
SU-E-T-294 Simulations to Investigate the Feasibility of 'dry' Optical-CT Imaging for 3D Dosimetry
K. Chisholm*, L. Rankine, M. Oldham
SU-E-T-295 Simultaneous Beam Sampling and Aperture Shape Optimization for Station Parameter Optimized Radiation Therapy (SPORT)
M. Zarepisheh*, Y. Ye, S. Boyd, R. Li, L. Xing
SU-E-T-296 Single Field Per Day Vs. Multiple Fields Per Day and the Impact On BED in Proton Therapy Treatment
K. Grantham*, H. Wooten, T. Zhao, E. Klein
SU-E-T-297 Small Field Dosimetry for Superficial Lesions
J. Ying*, B. Casto, S. Wang, T. Talyor, A. Wichman, M. Taylor, L. Ku
SU-E-T-298 Small Field Total Scatter Factors Using a Commercial Scintillator Detector: Calibration Parameters Are Not Independent of Field Size
N. Jornet, P. Carrasco de Fez, O. Jordi, A. Latorre-Musoll, T. Eudaldo, A. Ruiz-Martínez, M. Ribas Morales*
SU-E-T-299 Small Fields Profiles Correction Through Detectors Spatial Response Functions and Field Size Dependence Analysis
M. Filipuzzi, E. Garrigo, A. Germanier, C. Venencia*
SU-E-T-300 Spatial Variations of Multiple Off-Axial Targets for a Single Isocenter SRS Treatment Plan in ExacTrac 6D Robotic Couch System
S. Kim*, T. Tseng
SU-E-T-301 Spectral Comparison of the Xoft and Zeiss 50 KVp X-Ray Systems
L. Kelley*, R. Holt, T. Rusch
SU-E-T-302 Spine SBRT Planning for Patients with Spinal Hardware
J. Meyer*, K. Hendrickson, S. Bowen, M. Nyflot, S. Patel, L. Halasz
SU-E-T-303 Spot Scanning Dose Delivery with Rapid Cycling Proton Beams From RCMS
C. Cheng, H. Liu*, S. Lee
SU-E-T-304 Study of Secondary Neutrons From Uniform Scanning Proton Beams
M. Islam*, Y. Zheng, E. Benton
SU-E-T-305 Study of the Eclipse Electron Monte Carlo Algorithm for Patient Specific MU Calculations
X. Wang*, S. Qi, N. Agazaryan, J. DeMarco
SU-E-T-306 Study of the Reduction Technique for the Secondary Cancer Risk Due to Cone Beam CT in Image Guided Radiotherapy
J. Sung*, D. Kim, D. Kim, T. Baek, H. Lee, W. Chung, M. Yoon
SU-E-T-307 Susceptibility of SBRT to Delivery Uncertainties Using RapidArc Or Dynamic IMRT
G. Betzel*, M. Tejani, A. Dhabaan
SU-E-T-308 Systematic Characterization of the Energy Response of Different LiF TLD Crystals for Dosimetry Applications
E. Peña, P. Caprile*, B. Sánchez-Nieto
SU-E-T-309 Tangential Modulated Arc Therapy: A Novel Technique for the Treatment of Superficial Disease
M. Hadsell*, E. Chin, R. Li, L. Xing, K. Bush
SU-E-T-310 Targeting Safety Improvements Through Analysis of Near-Miss Error Detection Points in An Incident Learning Database
A. Novak, M. Nyflot*, P. Sponseller, J. Howard, W. Logan, L. Holland, L. Jordan, J. Carlson, R. Ermoian, G. Kane, E. Ford, J. Zeng
SU-E-T-311 Technical Aspects of Credentialing for the NSABP B-51 / RTOG 1304 Trial
J. Lowenstein*, H. Nguyen, A. Hollan, J. Galvin, D. Followill
SU-E-T-312 Test of the Generalized Tumor Dose (gTD) Model with An Independent Lung Tumor Dataset
A. Fontanella*, C. Robinson, A. Zuniga, A. Apte, W. Thorstad, J. Bradley, J. Deasy
SU-E-T-313 The Accuracy of the Acuros XB Advanced Dose Calculation Algorithm for IMRT Dose Distributions in Head and Neck
F. Araki*, R. Onizuka, T. Ohno, Y. Tomiyama, K. Hioki
SU-E-T-314 The Application of Cloud Computing in Pencil Beam Scanning Proton Therapy Monte Carlo Simulation
B. Wang*, M. Gao
SU-E-T-315 The Change of Optically Stimulated Luminescent Dosimeters (OSLDs) Sensitivity by Accumulated Dose and High Dose
S. Han*, S. Choi, S. Park, H. Jung, M. kim, C. Yi, Y. Ji, h. Yoo, K. kim
SU-E-T-316 The Design of a Risk Index Method for 3D Patient Specific QA
W. Cho*, L. Xing, T. Suh, H. Wu
SU-E-T-317 The Development of a DIBH Technique for Left Sided Breast Patients Undergoing Radiation Therapy Utilizing Varians RPM System in a Community Hospital
B. Hasson*, M. Young, D. Workie, C. Geraghty
SU-E-T-318 The Effect of Patient Positioning Errors On Target Coverage and Cochlear Dose in Stereotactic Radiosurgery Treatment of Acoustic Neuromas
D. Dellamonica*, G. Luo, G. Ding
SU-E-T-319 The Effect of Slice Thickness On IMRT Planning
S. Srivastava*, C. Cheng, I. Das
SU-E-T-320 The Effect of Survivin Perturbation On the Radiation Response of Breast Cancer Cell Lines
D. Smith*, B. Debeb, W. Woodward
SU-E-T-321 The Effects of a Dynamic Collimation System On Proton Pencil Beams to Improve Lateral Tissue Sparing in Spot Scanned Proton Therapy
P. Hill*, D. Wang, R. Flynn, D. Hyer
SU-E-T-322 The Evaluation of the Gafchromic EBT3 Film in Low Dose 6 MV X-Ray Beams with Different Scanning Modes
H. Lee*, D. Kim, W. Chung, J. Sung, M. Yoon
SU-E-T-323 The FLUKA Monte Carlo Code in Ion Beam Therapy
I. Rinaldi*
SU-E-T-324 The Influence of Patient Positioning Uncertainties in Proton Radiotherapy On Proton Range and Dose Distributions
J. Liebl*, H. Paganetti, B. Winey
SU-E-T-325 The New Evaluation Method of the VMAT Plan Delivery Using Varian DynaLog Files and Modulation Complexity Score (MCS)
K. Tateoka*, k. fujimoto, y. saito, t. nakazawa, T. Abe, a. nakata, m. yano, M. Hareyama
SU-E-T-326 The Oxygen Saturation (SO2) and Breath-Holding Time Variation Applied Active Breathing Control (ABC)
G. Gong*, Y. Yin
SU-E-T-327 The Update of a XML Composing Tool for TrueBeam Developer Mode
Y. Yan*, W. Mao, S. Jiang
SU-E-T-328 The Volume Effect Correction of Probe-Type Dosimetric Detectors Derived From the Convolution Model
H. Looe*, B. Poppe, D. Harder
SU-E-T-329 Tissue-Equivalent Phantom Materials for Neutron Dosimetry in Proton Therapy
R. Hälg*, S. Clarke, B. Wieger, E. Pryser, R. Arghal, S. Pozzi, V. Bashkirov, U. Schneider, R. Schulte, A. Lomax
SU-E-T-330 To Analyze the Calculation Error of Live Dose-Volume Indices Applying 4D-CT in Radiotherapy for PTVs Within the Liver Completely
G. Gong*, C. Liu, Y. Yin
SU-E-T-331 To Evaluate Planning Quality of SBRT with Multiple Lung Metastases Generated with Pinnacle and Tomotherapy
Y. Chen*, Y. Zhang, Y. Zhang, K. Doxsee, C. Yang
SU-E-T-332 TomoTherapy Patient Treatment Delivery QA Utilizing Phantom-Less Exit-Detector Patient Delivery Coupled with Monte Carlo Dose Calculations: Validation
L. Handsfield*, R. Jones, J. Siebers, P. Read, Q. Chen
SU-E-T-333 Towards Customizable Radiotherapy Enhancement (CuRE) for Prostate Cancer Using Cisplatin Nanoparticles
N. Sinha*, G. Cifter, E. Sajo, W. Ngwa
SU-E-T-334 Track Structure Simulations of Charged Particles at Low and Intermediate Energies: Cross Sections Needs for Light and Heavy Ions
M. Dingfelder*
SU-E-T-335 Transit Dosimetry for Verification of Dose Delivery Using Electronic Portal Imaging Device (EPID)
T. Baek*, E. Chung, S. Lee, M. Yoon
SU-E-T-336 Transition From Frame Based SRS to Frameless SRS Procedures: A Community Based Hospital Experience
D. Workie*, B. Hasson, C. Geraghty
SU-E-T-337 Treatment Planning Study of Craniospinal Irradiation with Spot Scanning Proton Therapy
A. Tasson*, C. Beltran, N. Laack, S. Childs, E. Tryggestad, T. Whitaker
SU-E-T-338 Ultrastable PRNA 3WJ Nanoparticles as Potential I-125 and C-131 Carriers for Targeted Radiation Therapy
W. Luo*, P. Guo, H. Li
SU-E-T-339 Universally Reprogrammable Automated Planning
H. Wang*, L. Xing
SU-E-T-340 Use of Intensity Modulated Proton Therapy (IMPT) for Reducing the Dose to Cochlea in Craniospinal Irradiation (CSI) of Pediatric Patients
J. Dormer*, A. Kassaee, H. Lin, X. Ding, R. Lustig
SU-E-T-341 Use of Patient Geometry and Multiple Linear Regression to Predict Prescription Dose for Pleurectomy/decortication Cases in Malignant Pleural Mesothelioma
V. DUMANE*, Y. Yuan, A. Rimner, E. Yorke, K. Rosenzweig
SU-E-T-342 Use of Patient Geometry Measurements to Predict Dosimetric Gain with VMAT Over 3D for Chestwall and Regional Nodal Radiation
SU-E-T-343 Valencia Applicator Commissioning Using a Micro-Chamber Array
V. Carmona Meseguer*, T. García Martinez, R. Palomo-Llinares, C. Candela-Juan, J. Richart-Sancho, J. Gimeno-Olmos, F. Lliso-Valverde, D. Granero, F. Ballester, J. Perez-Calatayud
SU-E-T-344 Validation and Clinical Experience of Eclipse Electron Monte Carlo Algorithm (EMC)
. Pokharel*, S. Rana
SU-E-T-345 Validation of a Patient-Specific Monte Carlo Targeted Radionuclide Therapy Dosimetry Platform
A. Besemer*, B. Bednarz
SU-E-T-346 Validation of Beam Accuracy of a Gated Spot-Scanning Proton Therapy System with Real-Time Tumor-Tracking at Hokkaido University
T. Yamada*, T. Matsuura, C. Toramatsu, S. Takao, H. Nihongi, N. Miyamoto, S. Shimizu, T. Takayanagi, M. Umezawa, K. Matsuda, K. Umegaki, H. Shirato
SU-E-T-347 Validation of the Condensed History Algorithm of Geant4 Using the Fano Test
H. Lee*, M. Mathis, G. Sawakuchi
SU-E-T-348 Verification MU Calculation for Conformal Radiotherapy with Multileaf Collimator Using Report AAPM TG 114
A. Adrada, Z. Tello, L. Medina, E. Garrigo, C. Venencia*
SU-E-T-349 Verification of a Monte Carlo Simulation Tool as a Second Check for TomoTherapy Treatment Planning
J. Yuan*, Q. Chen, Y. Zheng, J. Sohn, B. Wessels
SU-E-T-350 Verification of Gating Performance of a New Elekta Gating Solution: Response Kit and Catalyst System
X. Xie*, D. Cao, D. Housley, V. Mehta, D. Shepard
SU-E-T-351 Verification of Monitor Unit Calculation for Lung Stereotactic Body Radiation Therapy Using a Secondary Independent Planning System
Y. Tsuruta*, M. Nakamura, M. Nakata, Y. Miyabe, M. Akimoto, T. Ono, N. Mukumoto, Y. Ishihara, Y. Matsuo, K. Higashimura, T. Mizowaki, M. Hiraoka
SU-E-T-352 Why Is the Survival Rate Low in Oropharyngeal Squamous Cell Carcinoma?
Z. Huang*, T. Liu, Y. Feng, K. Rasmussen, J. Rice, S. Stephenson, C. Ferreira, K. Yuh, R. Wang, S. Lo, J. Grecula, N. Mayr, W. Yuh
SU-E-T-353 Decoding the Beam Complexity in Intensity-Modulated Radiation Therapy Plans
W. Du*, S. Cho, X. Zhang, K. Hoffman, R. Kudchadker
SU-E-T-354 Peak Temperature Ratio of TLD Glow Curves to Investigate the Spatial Dependence of LET in a Clinical Proton Beam
C. Reft*, M. Pankuch, H. Ramirez
SU-E-T-355 A Comparative Study of Robotic and Linac-Based Stereotactitc Body Radiation Therapy for Lumbar Spinal Tumors
E. Bossart*, M. Monterroso, M. Couto, B. Ly, I. Mihaylov
SU-E-T-356 Accuracy of Eclipse Electron Macro Monte Carlo Dose Algorithm for Use in Bolus Electron Conformal Therapy
R. Carver*, R. Popple, J. Antolak, C. Sprunger, S. Benhabib, K. Hogstrom
SU-E-T-357 Semi-Automated Knowledge-Based Radiation Therapy (KBRT) Planning for Head-And-Neck Cancer (HNC): Can KBRT Plans Achieve Better Results Than Manual Planning?
C. Lutzky, S. Grzetic, J. Lo, S. Das*
SU-E-T-358 Monte Carlo Dose Calculation of Small Field Electron Beams
Q. Wu*, A. Rodrigues, D. Sawkey, F. Yin
SU-E-T-359 Measurement of Various Metrics to Determine Changes in Megavoltage Photon Beam Energy
S. Gao*, P. Balter, M. Rose, W. Simon
SU-E-T-360 Stereotactic Radiosurgery Plan Evaluation Using High Order Central Moments
M. Zhang, Q. Zhang*, H. Gan, S. Li, S. Zhou
SU-E-T-361 Clinical Benefit of Automatic Beam Gating Mixed with Breath Hold in Radiation Therapy of Left Breast
J. Wu*, J. Ye, G. Hill, J. Spiegel, V. Mehta
SU-E-T-362 Automatic Catheter Reconstruction of Flap Applicators in HDR Surface Brachytherapy
I. Buzurovic*, P. Devlin, J. Hansen, D. O'Farrell, M. Bhagwat, S. Friesen, A. Damato, J. Lewis, R. Cormack
SU-E-T-363 Experimentally Validated Pencil Beam Scanning Source Model in TOPAS
L. Lin*, M. Kang, T. Solberg, C. Ainsley, J. McDonough
SU-E-T-364 6X FFF and 10X FFF Portal Dosimetry Output Factor Verification: Application for SRS/SBRT
M. Gulam*, M. Bellon, A. Gopal, S. Hames, M. Schmidt, N. Wen, I. Chetty, J. Gordon
SU-E-T-365 Dosimetric Impact of Dental Amalgam CT Image Artifacts On IMRT and VMAT Head and Neck Plans
N. Cao*, L. Young, U. Parvathaneni, J. Liao, P. Richard, E. Ford, G. Sandison
SU-E-T-366 Clinical Implementation of MR-Guided Vaginal Cylinder Brachytherapy
A. Owrangi*, S. Jolly, J. Balter, Y. Cao, L. Young, T. Zhu, J. Prisciandaro
SU-E-T-367 Optimization of DLG Using TG-119 Test Cases and a Weighted Mean Approach
B. Sintay*, C. Vanderstraeten, J. Terrell, J. Maurer, J. Pursley, D. Wiant
SU-E-T-368 Effect of a Strong Magnetic Field On Select Radiation Dosimeters
M. Mathis*, Z. Wen, R. Tailor, G. Sawakuchi, D. Flint, S. Beddar, G. Ibbott
SU-E-T-369 Experience of Using 6D Robotic Couch Top in the Treatment of Intracranial Tumors Utilizing Frameless Stereotactic Radiosurgery (SRS) Technique
A. Dhabaan*, E. Schreibmann, J. Roper, A. Siddiqi, E. Elder, T. Fox
SU-E-T-370 Measurement of Conical Cone Output Factors for the Varian Edge Linear Accelerator
H. Li*, S. Wang, H. Zhong, J. Kim, N. Wen, J. Gordon, I. Chetty
SU-E-T-371 Validation of Organ Doses Delivered During Craniospinal Irradiation with Helical Tomotherapy
A. Perez-Andujar*, J. Chen, A. Garcia, D. Haas-Kogan
SU-E-T-372 Dosimetric Comparison of Craniospinal Irradiation Using Different Tomotherapy Techniques
X. Zhang*, J. Penagaricano, E. Han, X. Liang, S. Morrill, M. Hardee, S. Gupta, R. Vaneerat
SU-E-T-373 A Motorized Stage for Fast and Accurate QA of Machine Isocenter
J. Moore*, E. Velarde, J. Wong
SU-E-T-374 Sensitivity of ArcCHECK to Tomotherapy Delivery Errors: Dependence On Analysis Technique
A. Templeton*, J. Chu, J. Turian
SU-E-T-375 Passive Scattering to Pencil-Beam-Scanning Comparison for Medulloblastoma Proton Therapy: LET Distributions and Radiobiological Implications
D. Giantsoudi*, S. MacDonald, H. Paganetti
SU-E-T-376 3-D Commissioning for An Image-Guided Small Animal Micro-Irradiation Platform
X. Qian*, J. Admovics, C. Wuu
SU-E-T-377 Inaccurate Positioning Might Introduce Significant MapCheck Calibration Error in Flatten Filter Free Beams
S. Wang*, C. Chao, J. Chang
SU-E-T-378 Limits and Possibilities of a Simplistic Approach to Whole Breast Radiation Therapy Planning
E. Hipp, E. Osa, H. No, M. Rosman, S. Formenti, G. Jozsef*
SU-E-T-379 Concave Approximations of Target Volume Dose Metrics for Intensity-Modulated Radiotherapy Treatment Planning
Y. Xie*, Y. Chen, M. Wickerhauser, J. Deasy
SU-E-T-380 Particle Microdosimetry Study Based On 3D-Cylindrical Silicon Radiaton Detectors
C. Guardiola*, A. Carabe-Fernandez, F. Gómez, G. Pellegrini, C. Fleta, D. Quirion, M. Lozano
SU-E-T-381 Radio-Dynamic Therapy (RDT) for the Treatment of Late-Stage Cancers
C. Ma*, L. Chen, R. Price, Q. Zhang, J. Zeng, K. Xu, Q. Sun
SU-E-T-382 Influence of Compton Currents On Profile Measurements in Small-Volume Ion Chambers
S. Tanny*, S. Holmes, E. Parsai
SU-E-T-383 Can Stereotactic Body Radiotherapy Mimic the Dose Distribution of High-Dose-Rate Tandem and Ovoids/ring Brachytherapy?
S. Park*, D. Scanderbeg, D. Demanes, M. Kamrava
SU-E-T-384 Experimental Verification of a Monte Carlo Linear Accelerator Model Using a Radiochromic Film Stack Dosimeter
T. McCaw*, W. Culberson, L. DeWerd
SU-E-T-385 4D Radiobiology
E. Fourkal*, M. Hossain, I. Veltchev, C. Ma, J. Meyer, E. Horwitz, A. Nahum
SU-E-T-386 A Monte Carlo Dose Calculation Framework for Electron Beams On Varian TrueBeam
A. Rodrigues*, D. Sawkey, F. Yin, Q. Wu
SU-E-T-387 Achieving Optimal Patient Setup Imaging and Treatment Workflow Configurations in Multi-Room Proton Centers
H. Zhang*, K. Prado, K. Langen, B. Yi, M. Mehta, W. Regine, W. D'Souza
SU-E-T-388 Estimating the Radioactivity Inventory of a Cyclotron Based Pencil Beam Proton Therapy Facility
K. Langen*, S. Chen
SU-E-T-389 Effect of Interfractional Shoulder Motion On Low Neck Nodal Targets for Patients Treated Using Volume Modulated Arc Therapy (VMAT)
K. Casey*, P. Wong, S. Tung
SU-E-T-390 Characterization of the PTW Synthetic Diamond Detector for Radiation Therapy Measurements
S. Stathakis, M. Markovic, P. Mavroidis, N. Papanikolaou*
SU-E-T-391 Assessment and Elimination of the Angular Dependence of the Response of the NanoDot OSLD System in MV Beams
J. Lehmann*, L. Dunn, J. Lye, J. Kenny, A. Alves, A. Cole, A. Asena, T. Kron, I. Williams
SU-E-T-392 A Sensitivity Analysis for Evaluating Dosimetric Impact of MLC Modeling Parameter Accuracy On IMRT Treatment Plans
S. Utsunomiya*, N. Shibuya, M. Yamaki, R. Sasamoto, H. Aoyama
SU-E-T-393 Investigation of Hot Spots in Tomotherapy 3D Conformal Breast Plan
Q. Chen*, J. Siebers, S. Khandelwal
SU-E-T-394 The Use of Jaw Tracking in Intensity Modulated and Volumetric Modulated Arc Radiotherapy for Spine Stereotactic Radiosurgery
K. Snyder*, N. Wen, Y. Huang, J. Kim, B. Zhao, S. Siddiqui, I. Chetty, S. Ryu
SU-E-T-395 Multi-GPU-Based VMAT Treatment Plan Optimization Using a Column-Generation Approach
Z. Tian*, F. Peng, F. Shi, X. Jia, S. Jiang
SU-E-T-396 Dosimetric Accuracy of Proton Therapy for Patients with Metal Implants in CT Scans Using Metal Deletion Technique (MDT) Artifacts Reduction
X. Li*, M. Kantor, X. Zhu, S. Frank, N. Sahoo, H. Li
SU-E-T-397 Include Organ Deformation Into Dose Calculation of Prostate Brachytherapy
Y. Shao, D. Shen, R. Chen, A. Wang, J. Lian*
SU-E-T-398 Feasibility of Automated Tools for Robustness Evaluation of Advanced Photon and Proton Techniques in Oropharyngeal Cancer
H. Liu*, X. Liang, A. Kalbasi, A. Lin, P. Ahn, S. Both
SU-E-T-399 Determination of the Radiobiological Parameters That Describe the Dose-Response Relations of Xerostomia and Disgeusia From Head and Neck Radiotherapy
P. Mavroidis*, C. Peixoto Xavier, B. Costa Ferreira, L. Khouri, M. do Carmo Lopes, S. Stathakis, N. Papanikolaou
SU-E-T-400 Optimized 2D Motion Tracking Using Dynamic Multi-Leaf Collimator (DMLC) for a Clinical Volumetric Modulated Arc Therapy (VMAT) Plan
Z. Xu*, I. Wang
SU-E-T-401 Feasibility Study of Using ABC to Gate Lung SBRT Treatment
D. Cao*, X. Xie, D. Shepard
SU-E-T-402 Y-90 Microspheres (SIR Spheres) for Treatment of Liver Metastasis : Technique
M. Nair*
SU-E-T-403 Measurement of the Neutron Ambient Dose Equivalent From the TrueBeam Linac Head and Varian 2100 Clinac
M. Harvey*, J. Pollard, Z. Wen, S. Gao
SU-E-T-404 Simple Field-In-Field Technique for Total Body Irradiation in Large Patients
P. Chi*, C. Pinnix, B. Dabaja, C. Wang, M. Aristophanous, S. Tung
SU-E-T-405 Robustness of Volumetric-Modulated Arc Therapy (VMAT) Plans to Systematic MLC Positional Errors
P. Qi*, P. Xia
SU-E-T-406 Use of TrueBeam Developer Mode and API to Increase the Efficiency and Accuracy of Commissioning Measurements for the Varian EDGE Stereotactic Linac
S. Gardner*, M. Gulam, K. Song, H. Li, Y. Huang, B. Zhao, Y. Qin, K. Snyder, J. Kim, J. Gordon, I. Chetty, N. Wen
SU-E-T-407 Evaluation of Four Commercial Dosimetry Systems for Routine Patient-Specific Tomotherapy Delivery Quality Assurance
A. Xing*, S. Arumugam, S. Deshpande, A. George, L. Holloway, P. Vial, G. Goozee
SU-E-T-408 Determination of KQ,Q0-Factors From Water and Graphite Calorimetry in a 60 MeV Proton Beam
S. Rossomme*, J. Renaud, N. Lee, R. Thomas, A. Sarfehnia, J. Seuntjens, A. Kacperek, D. Bertrand, S. Vynckier, H. Palmans
SU-E-T-409 Intensity Modulated Robotic Radiotherapy
B. Wang*, L. Jin, J. Li, J. Fan, L. Chen, C. Zhang, C. Ma
SU-E-T-410 Fringe Stability and Phase Shift Measurements in a Michelson Interferometer for Optical Calorimetry
E. Flores-Martinez*, M. Malin, L. DeWerd
SU-E-T-411 Characterization of Novel Water-Equivalent PRESAGE for Megavoltage and Kilovoltage X-Ray Beam Dosimetry
M. Alqathami*, A. Blencowe, G. Ibbott
SU-E-T-412 Effect of Ingested Contrast Media On Dose Reporting for GI Malignancies Comparing Multiple Dose Calculation Algorithms
A. Doemer*, B. Miller, I. Chetty
SU-E-T-413 Experience-Based VMAT Plan Quality Database
K. Bernstein*, N. Kalach, B. Wolthuis, C. Tai, A. Kravchuk, E. Bernstein
SU-E-T-414 TG-129 Implementation On BrachyvisionTM
A. Nguyen*, Y. Hu, R. He, T. Paul, A. Plowman, P. Mobit, J. Ma, S. Packianathan, M. Kanakamedala, C. Yang
SU-E-T-415 An Ionization Chamber Array with High Spatial Resolution for External Beam Radiotherapy
M. Togno*, J. Wilkens, D. Menichelli
SU-E-T-416 VMAT Dose Calculations Using Cone Beam CT Images: A Preliminary Study
S. Yu*, V. Sehgal, J. kuo, P. Daroui, N. Ramsinghani, M. Al-Ghazi
SU-E-T-417 A Method for Predicting and Correcting the Dosimetric Effect of a Radiotherapy Treatment Couch in Actual Treatment Position
J. Duan*, S. Shen, X. Wu, M. Huang, S. Benhabib, R. Cardan, R. Popple, I. Brezovich
SU-E-T-418 The Impact of Normal Tissue Constraints On PTV Dose Homogeneity for Intensity Modulated Radiotherapy (IMRT), Volume Modulated Arc Therapy (VMAT) and Tomotherapy
J. Peng*, D. McDonald, M. Ashenafi, A. Ellis, K. Vanek
SU-E-T-419 Workflow and FMEA in a New Proton Therapy (PT) Facility
C. Cheng*, B. Wessels, H. Hamilton, T. Difranco, D. Mansur
SU-E-T-420 Impact of Different Prescription Isodose Lines On Plan Quality for Brain Metastases Using Multiplan System
Y. Zhang*, X. Li, T. Li, C. Ozhasoglu, S. Burton, J. Flickinger, d. clump, d. heron, M. Huq
SU-E-T-421 Feasibility Study of Volumetric Modulated Arc Therapy with Constant Dose Rate for Endometrial Cancer
R. Yang*, J. Wang
SU-E-T-422 Correlation Between 2D Passing Rates and 3D Dose Differences for Pretreatment VMAT QA
X. Jin*, C. Xie
SU-E-T-423 TrueBeam Small Field Dosimetry Using Commercial Plastic Scintillation and Other Stereotactic Detectors
R. Pino*, F. Therriault-Proulx, X. Wang, J. Yang, S. Beddar
SU-E-T-424 Dosimetric Verification of Modulated Electron Radiation Therapy Delivered Using An Electron Specific Multileaf Collimator for Treatment of Scalp Cases
A. Eldib*, L. Jin, J. Martin, J. Li, O. Chibani, G. Mora, T. Galloway, C. Ma
SU-E-T-425 Spherical Dose Distributions for Radiosurgery Using a Standardized MLC Plan
R. Popple*, I. Brezovich, X. Wu, J. Fiveash
SU-E-T-426 Dose Delivery Accuracy in Breast Field Junction for Free Breath and Deep Inspiration Breath Hold Techniques
D. Epstein*, E. Shekel, D. Levin
SU-E-T-427 Cell Surviving Fractions Derived From Tumor-Volume Variation During Radiotherapy for Non-Small Cell Lung Cancer: Comparison with Predictive Assays
A. Chvetsov*, S. Yartsev, J. Schwartz, N. Mayr
SU-E-T-428 Dosimetric Impact of Multileaf Collimator Leaf Width On Single and Multiple Isocenter Stereotactic IMRT Treatment Plans for Multiple Brain Tumors
J. Giem, O. Algan, S. Ahmad, I. Ali, J. Young, S. Hossain*
SU-E-T-429 Uncertainties of Cell Surviving Fractions Derived From Tumor-Volume Variation Curves
A. Chvetsov*
SU-E-T-430 Modeling MLC Leaf End in 2D for Sliding Window IMRT and Arc Therapy
X. Liang*, T. Zhu
SU-E-T-431 Vertically-Oriented Farmer-Type Chamber for Small-Field Applications
M. Ahmad*, A. Chu, H. Lincoln, Z. Chen, J. Deng, R. Nath
SU-E-T-432 A Rapid and Comprehensive Procedure for Daily Proton QA
T. Zhao*, B. Sun, K. Grantham, N. Knutson, L. Santanam, S. Goddu, E. Klein
SU-E-T-433 Calibration Accuracy in Mailed High-Resolution 3D Dosimetry Service for SRS/SBRT QA
M. Maryanski*, J. Keane, S. Zimberg
SU-E-T-434 Evaluation of the Machine Performance Check (MPC) Program for Truebeam 2.0
E. Chin*, S. Yu, M. Hadsell, K. Bush, E. Mok
SU-E-T-435 Development and Commissioning of a Complete System for In-Vivo Dosimetry and Range Verification in Proton Therapy
D. Samuel, M. Testa, R. Schneider, Y. Park, G. Janssens, J. Orban de Xivry, M. Moteabbed, D. Prieels, H. Lu, E. Bentefour*
SU-E-T-436 Accelerated Gated IMRT: A Feasibility Study for Lung Cancer Patients
M. Gilles*, H. Fayad, N. Boussion, O. Pradier, D. Visvikis
SU-E-T-437 Dosimetric Assessment of Brass Mesh Bolus for Postmastectomy Chest Wall Irradiation
R. Manger*, A. Paxton, L. Cervino
SU-E-T-438 Commissioning of An In-Vivo Quality Assurance Method Using the Electronic Portal Imaging Device
O. Morin*, M. Held, J. Pouliot
SU-E-T-439 An Improved Formula of Scatter-To-Primary Ratio for Photon Dose Calculation
T. Zhu*
SU-E-T-440 Elliptical Source Model for IMRT and VMAT with Complex Modulation
G. Tang*, S. Lim, T. LoSasso
SU-E-T-441 Comparison of Dose Distributions for Spot-Scanned Pencil-Beam and Scattered-Beam Proton Treatments of Ocular Tumors
A. Deisher*, T. Whitaker, H. Kooy, A. Trofimov, J. Kruse
SU-E-T-442 Sensitivity of Quality Assurance Tools to Delivery Errors On a Magnetic Resonance-Imaging Guided Radiation Therapy (MR-IGRT) System
V. Rodriguez*, H. Li, D. Yang, R. Kashani, H. Wooten, J. Dempsey, S. Mutic, O. Green
SU-E-T-443 Developmental Technique for Proton Pencil Beam Measurements: Depth Dose
B. Arjomandy*, T. Lee, T. Schultz, W. Hsi, S. Park
SU-E-T-444 Quantitatively Comparison of Low Dose Spillage Outside of PTV Edge in Arc Therapy Modalities
J. Gong*, R. Sarwan, D. Pavord
SU-E-T-445 Lateral Optical Density Variation in Flatbed Scanners in Combination with Gafchromic Film
L. van Battum*, S. Heukelom
SU-E-T-446 Evaluation of the Dosimetric Properties of a Diode Detector to Proton Radiosurgery
A. Teran, G. McAuley, J. Slater, J. Slater, A. Wroe*
SU-E-T-447 Electronic Brachytherapy (EBT) Treatment of Cervical Cancer - First Clinical Experience
D. Johnson*, M. Johnson, L. Chan, H. Hausen, J. Thompson, S. Ahmad
SU-E-T-448 On the Perturbation Factor P_cav of the Markus Parallel Plate Ion Chambers in Clinical Electron Beams, Monte Carlo Based Reintegration of An Historical Experiment
P. von Voigts-Rhetz*, K. Zink
SU-E-T-449 Optimization and Evaluation: IMRT of Sino₋nasal Carcinoma in Reference to ICRU 83
K. Joseph Maria Das*, A. Abdul Aziz Sait, S. Senthil Kumar, M. Verma, P. Lal, S. Kumar
SU-E-T-450 Dosimetric Impact of Rotational Error On Multiple-Target Intensity-Modulated Radiosurgery (IMRS) with Single-Isocenter
S. Jang*, M. Huq
SU-E-T-451 Accuracy and Application of the Standard Imaging W1 Scintillator Dosimeter
M. Kowalski*, M. McEwen
SU-E-T-452 Impact of Respiratory Motion On Robustly-Optimized Intensity-Modulated Proton Therapy to Treat Lung Cancers
W. Liu*, Z. Liao, S. Schild, P. Park, Y. Li, H. Li, X. Li, J. Shen, A. Anand, m. fatyga, L. Dong, W. Wong, S. Vora, N. Sahoo, M. Bues, X. Zhu, R. Mohan
SU-E-T-453 A Novel Daily QA System for Robotic Image Guided Radiosurgery with Variable Aperture Collimator
L. Wang*, B. Nelson
SU-E-T-454 Impact of Calculation Grid Size On Dosimetry and Radiobiological Parameters for Head and Neck IMRT
S. Srivastava*, C. Cheng, I. Das
SU-E-T-455 Characterization of 3D Printed Materials for Proton Beam Therapy
J. Zou*, J. McDonough, L. Yin, T. Fisher, R. Siderits, M. McKenna, A. Khan, N. Yue, B. Teo
SU-E-T-456 Development of An EPID-Based Output Measurement and Dosimetric Verification Tool for Electron Beam Therapy
A. Ding*, B. Han, L. Xing
SU-E-T-457 Design and Characterization of An Economical 192Ir Hemi-Brain Small Animal Irradiator
M. Grams*, Z. Wilson, T. Sio, C. Beltran, E. Tryggestad, S. Gupta, C. Blackwell, K. McCollough, J. Sarkaria, K. Furutani
SU-E-T-458 Determining Threshold-Of-Failure for Dead Pixel Rows in EPID-Based Dosimetry
J. Gersh*, D. Wiant
SU-E-T-459 Dosimetric Consequences of Rotated Elliptical Proton Spots in Modeling In-Air Proton Fluence for Calculating Doses in Water of Proton Pencil Beams
W. Matysiak, W. Hsi*, D. Yeung
SU-E-T-460 Comparison of Proton and IMRT Planning for Head and Neck Cancer
S. Fontenla*, Y. Zhou, D. Mah, A. Kowalski, T. Leven, O. Cahlon, N. Lee, M. Hunt, J. Mechalakos
SU-E-T-461 Validation of Planning Algorithms in Dynamic Conformal Arc in IPlan Using ArcCHECK and 3DVH
Y. Lei*, Q. Zhang, S. Li, B. Morgan, J. Driewer, S. Zhou
SU-E-T-462 Fixed-Jaw Optimization for Critical Structure Sparing in IMRT Treatment Planning: Beam Modeling Cautions for Non-Routine Use
R. Price*, I. Veltchev, G. Cherian, C. Ma
SU-E-T-463 Quantification of Rotational Variation in Mouse Setup for IGRT
R. McCarroll*, A. Rubinstein, C. Kingsley, J. Yang, P. Yang, L. Court
SU-E-T-464 On the Equivalence of the Quality Correction Factor for Pencil Beam Scanning Proton Therapy
J. Sorriaux*, H. Paganetti, M. Testa, D. Giantsoudi, J. Schuemann, D. Bertrand, J. Orban de Xivry, J. Lee, H. Palmans, S. Vynckier, E. Sterpin
SU-E-T-465 Dose Calculation Method for Dynamic Tumor Tracking Using a Gimbal-Mounted Linac
S. Sugimoto*, S. Utsunomiya, K. Ebe, T. Inoue, C. Kurokawa, K. Usui, K. Sasai
SU-E-T-466 Dosimetric Assessment of the Salivary Glands in Head and Neck Tumour Patients Treated with Radiation Therapy
C. Peixoto Xavier*, B. Costa Ferreira, L. Khouri, M. Lopes, S. Stathakis, N. Papanikolaou, P. Mavroidis
SU-E-T-468 A New 3D Gamma Analysis Algorithm for Better VMAT/IMRT QA Results
D. Cao*, J. Ye, D. Shepard
SU-E-T-469 A Practical Approach for the Determination of Small Field Output Factors Using Published Monte Carlo Derived Correction Factors
E. Calderon*, D. Siergiej
SU-E-T-470 Beam Performance of the Radiance 330 Proton Therapy System
H. Nazaryan*, V. Nazaryan, J. Flanz, V. Alexandrov, F. Wang
SU-E-T-471 Small Field Jaw/MLC Reference Data
J. Kerns*, P. Alvarez, D. Followill, J. Lowenstein, A. Molineu, P. Summers, S. Kry
SU-E-T-472 A Multi-Dimensional Measurements Comparison to Analyze a 3D Patient Specific QA Tool
S. Ashmeg*, J. Jackson, Y. Zhang, M. Oldham, F. Yin, L. Ren
SU-E-T-473 A Patient-Specific QC Paradigm Based On Trajectory Log Files and DICOM Plan Files
J. DeMarco*, S. McCloskey, J. Moran, D. Low
SU-E-T-474 IMRT Verification Using the On-Board EPID
J. Dormer*, A. Witztum, X. Ding, P. Jin, T. Zhu
SU-E-T-475 An Accurate Linear Model of Tomotherapy MLC-Detector System for Patient Specific Delivery QA
Y. Chen*, X. Mo, M. Chen, G. Olivera, M. Reeher, D. Parnell, S. Key, D. Galmarini, W. Lu
SU-E-T-476 Quality Assurance for Gamma Knife Perfexion Using the Exradin W1 Plastic Scintillation Detector
R. Pino, F. Therriault-Proulx*, J. Yang, S. Beddar
SU-E-T-477 An Efficient Dose Correction Algorithm Accounting for Tissue Heterogeneities in LDR Brachytherapy
S. Mashouf*, P. Lai, A. Karotki, B. Keller, D. Beachey, J. Pignol
SU-E-T-478 Sliding Window Multi-Criteria IMRT Optimization
D. Craft*, R. Bokrantz, D. Papp, J. Unkelbach
SU-E-T-479 Development and Validation of Analytical Models Predicting Secondary Neutron Radiation in Proton Therapy Applications
J. Farah*, A. Bonfrate, A. De Olivera, S. Delacroix, L. Donadille, J. Hérault, F. Martinetti, S. Piau, F. Trompier, I. Vabre, I. Clairand
SU-E-T-480 Radiobiological Dose Comparison of Single Fraction SRS, Multi-Fraction SRT and Multi-Stage SRS of Large Target Volumes Using the Linear-Quadratic Formula
C. Ding*, B. Hrycushko, S. Jiang, J. Meyer, R. Timmerman
SU-E-T-481 Dosimetric Comparison of Acuros XB and Anisotropic Analytic Algorithm with Commercial Monte Carlo Based Dose Calculation Algorithm for Stereotactic Body Radiation Therapy of Lung Cancer
M. Cao*, S. Tenn, C. Lee, Y. Yang, J. Lamb, N. Agazaryan, P. Lee, D. Low
SU-E-T-482 Development and Systematic Testing of Dose Analysis Engine for Research and Clinical Applications Using API Interface of Varian Eclipse Treatment Planning System
m. fatyga*, F. Gao, T. Wu, W. Liu
SU-E-T-483 Treatment Planning Study of Volumetric Modulated Arc Therapy for Left-Sided Breast and Chestwall Cancers
H. Xu*
SU-E-T-484 A New Method of Aligning Patient Setup Lasers in Radiation Therapy
U. Hwang*, Y. Lim, S. Choi, J. Kwak, k. Yoon, K. Cho, C. Jeong, M. Kim, J. Jeong, J. Park, D. SHIN, S. Lee, J. Kim, S. Park, S. Kim
SU-E-T-485 Investigation of a Synthetic Diamond Detector for Tomotherapy Dosimetry
C. Knill*, V. Zakjevskii, A. Nalichowski, R. Halford, M. Snyder, L. Zhuang, J. Burmeister
SU-E-T-486 Effect of the Normalized Prescription Isodose Line On Target Dose Deficiency in Lung SBRT Based On Monte Carlo Calculation
D. Zheng*, Q. Zhang, S. Zhou
SU-E-T-487 Impact of Geometric Uncertainties in Accelerated Partial Breast Irradiation Using the Strut-Adjusted Volume Implant (SAVI)
Y. Akino*, E. Slessinger, S. Srivastava, I. Das
SU-E-T-488 An Iso-Dose Curve Based Interactive IMRT Optimization System for Physician-Driven Plan Tuning
F. Shi*, Z. Tian, M. Zarepisheh, L. Cervino, X. Jia, S. Jiang
SU-E-T-489 Plan Comparisons of Re-Irradiation Treatment of Three Intensity Modulated Techniques
J. Lian*, X. Tang, R. Liu
SU-E-T-490 Clinical Analysis of the Approximate Multi-Phase Biological Effective Dose (BED) Calculation
K. Kauweloa*, A. Gutierrez, A. Bergamo, S. Stathakis, N. Papanikolaou, P. Mavroidis
SU-E-T-491 Importance of Energy Dependent Protons Per MU Calibration Factors in IMPT Dose Calculations Using Monte Carlo Technique
S. Randeniya*, D. Mirkovic, U. Titt, F. Guan, R. Mohan
SU-E-T-492 Implementing a Method for Brain Irradiation in Rats Utilizing a Commercially Available Radiosurgery Irradiator
J. Cates*, R. Drzymala
SU-E-T-493 Analysis of the Impact of Range and Setup Uncertainties On the Dose to Brain Stem and Whole Brain in the Passively Scattered Proton Therapy Plans
N. Sahoo*, X. Zhu, X. Zhang, F. Poenisch, H. Li, R. Wu, M. Lii, W. Umfleet, M. Gillin, A. Mahajan, D. Grosshans
SU-E-T-494 A MOSFET-Based In-Vivo Dosimetry System for MR Image-Guided Radiation Therapy (MR-IGRT)
N. Knutson*, H. Li, V. Rodriguez, Y. Hu, R. Kashani, H. Wooten, K. Tanderup, S. Mutic, O. Green
SU-E-T-495 Neutron Induced Electronics Failure Rate Analysis for a Single Room Proton Accelerator
N. Knutson*, T. DeWees, E. Klein
SU-E-T-496 A Study of Two Commercial Dose Calculation Algorithms in Low Density Phantom
S. Lim*, D. Lovelock, E. Yorke, L. Kuo, T. LoSasso
SU-E-T-497 Semi-Automated in Vivo Radiochromic Film Dosimetry Using a Novel Image Processing Algorithm
M. Reyhan*, N. Yue
SU-E-T-498 Energy Minimization and Dose-Volume Inverse Optimization in Prostate Cancer
I. Mihaylov*, E. Moros
SU-E-T-499 Comparison of Measured Tissue Phantom Ratios (TPR) Against Calculated From Percent Depth Doses (PDD) with and Without Peak Scatter Factor (PSF) in 6MV Open Beam
G. Narayanasamy*, W. Cruz, C. Breton, A. Gutierrez, P. Mavroidis, N. Papanikolaou, S. Stathakis
SU-E-T-500 Dose Escalation Strategy for Lung Cancer Patients Using a Biologically-Guided Target Definition
N. Shusharina*, F. Khan, N. Choi, G. Sharp
SU-E-T-501 Normal Tissue Toxicities of Pulsed Low Dose Rate Radiotherapy and Conventional Radiotherapy: An in Vivo Total Body Irradiation Study
D. Cvetkovic*, P. Zhang, B. Wang, L. Chen, C. Ma
SU-E-T-502 Biometrically Accepted Patient Records
A. Basavatia*, S. Kalnicki, M. Garg, J. Fret, A. Lukaj, R. Yaparpalvi, L. Hong, W. Tome'
SU-E-T-503 Development of a Software Tool for Verification of Delivered Tomotherapy Plans Using the Tomo Log File
A. Xing*, S. Deshpande, S. Arumugam, A. George, L. Holloway, G. Goozee
SU-E-T-504 Usefulness of CT-MR Fusion in Radiotherapy Planning for Prostate Cancer Patient with Bilateral Hip Replacements
R. He*, P. Kumar, Y. Hu, J. Suggs, C. Yang, S. Giri
SU-E-T-505 CT-Based Independent Dose Verification for RapidArc Plan as a Secondary Check
H. Tachibana*, T. Kamima, R. Takahashi, H. Baba
SU-E-T-506 Dosimetric Verification of Photon MLC Delivered Electron Fields for Implementing MERT On An Artiste Linac
L. Jin*, A. Eldib, J. Fan, J. Li, L. Wang, C. Ma
SU-E-T-507 Interfractional Variation of Fiducial Marker Position During HDR Brachytherapy with Cervical Interstitial Needle Template
S. Shen*, R. Kim, S. Benhabib, J. Araujo, L. Burnett, J. Duan, R. Popple, X. Wu, R. Cardan, I. Brezovich
SU-E-T-508 End to End Testing of a Prototype Eclipse Module for Planning Modulated Arc Therapy On the Siemens Platform
L. Huang*, V. Sarkar, P. Rassiah-Szegedi, H. Zhao, Y. Huang, M. Szegedi, B. Salter
SU-E-T-509 Validation of the Use of OSLD for Carbon Beam Remote Dosimetry
P. Summers*, J. Lowenstein, O. Jakel, H. Prokesch, P. Alvarez, D. Followill
SU-E-T-510 Mathematical Analysis of Approximate Biological Effective Dose (BED) Calculation for Multi-Phase Radiotherapy Treatment Plans
K. Kauweloa*, A. Gutierrez, A. Bergamo, S. Stathakis, N. Papanikolaou, P. Mavroidis
SU-E-T-511 Do Presage 3D Dosimeters Show Dose Fractionation Sensitivity?
S. Klawikowski*, J. Adamovics, M. Alqathami, R. Benning, G. Ibbott
SU-E-T-512 Electromagnetic Simulations of the Dielectric Wall Accelerator
A. Uselmann*, T. Mackie
SU-E-T-513 Probabilistic Approach to Plan Evaluation in Linac-Based Stereotactic Radiosurgery: A Patient Specific Uncertainty Analysis
P. Park*, J. Roper, T. Fox, E. Schreibmann, E. Elder, M. Tejani, W. Curran, I. Crocker, A. Dhabaan
SU-E-T-514 Simultaneously Determination of Radiation Isocentricity of Gantry, Collimator and Couch Using a Commercial Three-Dimensional Dosimetry QA Apparatus
S. Yan*, H. Song, Q. Wu
SU-E-T-515 Field-In-Field Compensation Technique Using Multi-Leaf Collimator to Deliver Total Body Irradiation (TBI) Dose
T. Lakeman*, I. Wang
SU-E-T-516 Measurement of the Absorbed Dose Rate in Water Under Reference Conditions in a CyberKnife Unit
N. Aragon-Martinez, A. Gomez-Munoz, A. Hernandez-Guzman, G. Massillon-JL*
SU-E-T-517 Analytic Formalism to Compute in Real Time Dose Distributions Delivered by HDR Units
S. Pokhrel*, G. Palaniswaamy, D. Rangaraj, S. Loyalka, E. Izaguirre
SU-E-T-518 Dosiemtric Impact of Patient Positioning Uncertainty in SBRT Treatments
H. Abbas*, R. Abolfath, R. Nath, Z. Chen
SU-E-T-519 Emission of Secondary Particles From a PMMA Phantom During Proton Irradiation: A Simulation Study with the Geant4 Monte Carlo Toolkit
A. Lau*, Y. Chen, S. Ahmad
SU-E-T-520 Four-Dimensional Dose Calculation Algorithm Considering Variations in Dose Distribution Induced by Sinusoidal One-Dimensional Motion Patterns
J. Taguenang*, O. Algan, S. Ahmad, I. Ali
SU-E-T-521 Feasibility Study of a Rotational Step-And-Shoot IMRT Treatment Planning Approach
X. Zhu*, T. Cullip, L. Yuan, J. Lian, X. Zhang, X. Tang, J. Dooley, G. Tracton, S. Chang
SU-E-T-522 A Multi-Isocenter VMAT Technique for Cranio-Spinal Irradiation
M. Aristophanous*, P. Chi, S. Tung, C. Pinnix, B. Dabaja
SU-E-T-523 On the Radiobiological Impact of Lateral Scatter in Proton Beams
F. Van den Heuvel*, D. Deruysscher
SU-E-T-524 Web-Based Radiation Oncology Incident Reporting and Learning System (ROIRLS)
R. Kapoor*, J. Palta, M. Hagan, S. Grover, G. Malik
SU-E-T-525 Dose Volume Histograms (DVH) Analysis and Comparison with ICRU Point Doses in MRI Guided HDR Brachytherapy for Cervical Cancer
R. Badkul*, C. McClinton, P. Kumar, M. Mitchell
SU-E-T-526 On the Linearity, Stability and Beam Energy Dependence of CdSe Quantum Dots as Scintillating Probes
M. Delage*, M. Lecavalier, D. Lariviere, C. Allen, L. Beaulieu
SU-E-T-527 Prior Knowledge Guided TomoTherapy Treatment Planning
J. Lian*, L. Yuan, X. Zhu, B. Chera, S. Chang, Q. Wu
SU-E-T-528 Robustness Evaluation for Fiducial-Based Accelerated Partial Breast Proton Therapy
L. Zhao*, S. Rana, Y. Zheng
SU-E-T-529 Study of Second Cancer Risk in the Treatment of Multiple Lung Lesion by SBRT Using Rapid Arc: Comparison Between Different Treatment Planning Parameters
V. Sakthivel*, K. Ganesh, S. Mani, R. Boopathy
SU-E-T-530 Correlating Dose-Volume Histogram Results with Overlapping Volume of Organ-At-Risk and Planning Target Volume for Prostate IMRT
T. Ma*, I. Wang
SU-E-T-531 Performance Evaluation of Multithreaded Geant4 for Proton Therapy Dose Calculations in a High Performance Computing Facility
J. Shin*, B. Faddegon, D. Coss, J. McMurry, J. Farr
SU-E-T-532 Validation and Implementation of Model-Based Patient Specific Quality Assurance Using Mobius3D and MobiusFX in a Clinical Setting
P. Galavis*, K. Osterman, G. Jozsef, S. Becker, K. Dewyngaert
SU-E-T-533 Evaluation of Dose Calculation Accuracy for Small Elongated Targets On the Edge Linac
Y. Qin*, N. Wen, K. Snyder, Y. Huang, B. Zhao, M. Bellon, H. Li, K. Song, J. Kim, J. Gordon, I. Chetty
SU-E-T-534 Dosimetric Effect of Multileaf Collimator Leaf Width On Volumetric Modulated Arc Stereotactic Radiotherapy for Spine Tumors
A. Amoush*, L. Subedi, L. Huang, T. Djemil, P. Xia
SU-E-T-535 Preliminary 2D and 3D Gamma Calculation Comparison Using PRESAGE
R. Lafratta*, J. Yang, N. Sahoo, S. Tucker, D. Followill, G. Ibbott
SU-E-T-536 Inhomogeneity Correction in Planning of Gamma Knife Treatments for Acoustic Schwannoma
L. Lu*, N. Gupta, J. Hessler, A. Liu, M. Weldon, J. McGregor, M. Ammirati, M. Guiou, F. Xia, J. Grecula
SU-E-T-537 Comparison of Intra-Operative Soft X-Rays to Low Energy Electron Beams for Treatment of Superficial Lesions
B. Chinsky, A. Diak, S. Gros, A. Sethi*
SU-E-T-538 Does Abdominal Compression Through Prone Patient Position Reduce Respiratory Motion in Lung Cancer Radiotherapy?
T. Catron*, M. Rosu, E. Weiss
SU-E-T-539 Fixed Versus Variable Optimization Points in Combined-Mode Modulated Arc Therapy Planning
K. Kainz*, D. Prah, E. Ahunbay, X. Li
SU-E-T-540 Volumetric Modulated Total Body Irradiation Using a Rotational Lazy Susan-Like Immobilization System
X. Gu*, B. Hrycushko, H. Lee, R. Lamphier, S. Jiang, R. Abdulrahman, R. Timmerman
SU-E-T-541 Bolus Effect of Thermoplastic Masks in IMRT and VMAT Head and Neck Treatments
H. Zhen*, L. Nedzi, S. Chen, S. Jiang, B. Zhao
SU-E-T-542 Comparison of Stereotactic Radiosurgery (SRS) of Brain Lesions Using Gamma Knife, VMAT, IMRT, and Conformal Arcs
S. Li*, P. Charpentier, P. Chan, T. Neicu, C. Miyamoto
SU-E-T-543 Is It Feasible to Tighten the Criteria for IROC's Anthropomorphic Phantoms?
A. Molineu*, P. Alvarez, S. Kry, D. Followill
SU-E-T-545 A MLC-Equipped Robotic Radiosurgery-Radiotherapy Combined System in Treating Hepatic Lesions: Delivery Efficiency as Compared to a Standard Linac for Treating Hepatic Lesions
L. Jin*, R. Price, J. Fan, L. Wang, J. Meyer, C. Ma
SU-E-T-546 Use of Implant Volume for Quality Assurance of Low Dose Rate Brachytherapy Treatment Plans
D. Wilkinson*, M. Kolar
SU-E-T-547 A Method to Correlate Treatment Planning Issue with Clinical Analysis for Prostate Stereotactic Body Radiotherapy (SBRT)
K. Li*, E. Jung, J. Newton, D. Cornell, A. Able
SU-E-T-548 How To Decrease Spine Dose In Patients Who Underwent Sterotactic Spine Radiosurgery?
H. Acar*, a. altinok, e. kucukmorkoc, n. kucuk, h. caglar
SU-E-T-549 A Combinatorial Optimization Approach to Treatment Planning with Non-Uniform Fractions in Intensity Modulated Proton Therapy
D. Papp*, J. Unkelbach
SU-E-T-550 Range Effects in Proton Therapy Caused by Systematic Errors in the Stoichiometric Calibration
P. Doolan*, M. Dias, C. Collins-Fekete, J. Seco
SU-E-T-551 PTV Is the Worst-Case of CTV in Photon Therapy
D. Harrington*, W. Liu, P. Park, R. Mohan
SU-E-T-552 Minimum Monitor Unit Effects On Plan Quality for Multi-Field Optimized Spot Scanning Proton Therapy
M. Howard*, C. Beltran, M. Herman
SU-E-T-553 Characterization of Plastic Scintillator Detectors for Radiation Therapy
H. Liu*, H. Lin, A. Darafsheh, J. Finlay, S. Both, T. Zhu
SU-E-T-554 Comparison of Electron Disequilibrium Factor in External Photon Beams for Different Models of Linear Accelerators
B. LIU*, T. Zhu
SU-E-T-556 Dosimetric Comparison of the Bladder and Rectum Based On Daily CBCT for Prostate IMRT
S. Gill*, D. Pearson, A. Dalhart, K. Reddy, C. Chen
SU-E-T-557 Measuring Neutron Activation of Cardiac Devices Irradiated During Proton Therapy Using Indium Foils
S. Avery, J. christodouleas, K. Delaney*, E. Diffenderfer, K. Brown
SU-E-T-558 An Exploratory RF Pulse Sequence Technique Used to Induce Differential Heating in Tissues Containing Iron Oxide Nanoparticles for a Possible Hyperthermic Adjuvant Effect to Radiotherapy
S. Yee*, D. Ionascu, R. Thapa, G. Wilson
SU-E-T-559 Dosimetric and Volumetric Modulation Using Helical TomoTherapy Planning for Malignant Pleural MesotheliomaTumors
A. Movahed*, B. Rabbani, X. Zhu, T. Lau, R. Rao, S. Gorty
SU-E-T-560 Commissioning An HDR Freiburg Flap Applicator for Skin Lesion Treatment
K. Dou*
SU-E-T-561 Development of Depth Dose Measurement Technique Using the Multilayer Ionization Chamber for Spot Scanning Method
T. Takayanagi*, S. Fujitaka, M. Umezawa, Y. Ito, C. Nakashima, K. Matsuda
SU-E-T-562 Scanned Percent Depth Dose Curve Discrepancy for Photon Beams with Physical Wedge in Place (Varian IX) Using Different Sensitive Volume Ion Chambers
H. Zhao*, V. Sarkar, P. Rassiah-Szegedi, Y. Huang, M. Szegedi, L. Huang, B. Salter
SU-E-T-563 A Fast and Quantative Picket-Fence Test of a Submillimeter Patient Positioning System for Stereotactic Radiosurgery
L. Ma*, A. Perez-Andujar, J. Chiu, C. McGuinness
SU-E-T-564 Statistical Variation and Acceptance of Non Invasive Immobilization Systems for Multi-Fraction Gamma Knife EXtend Stereotactic Radiosurgery
R. K Bisht*, N. Gopishankar, S. Kale
SU-E-T-565 RAdiation Resistance of Cancer CElls Using GEANT4 DNA: RACE
Y. Perrot*, H. Payno, E. Delage, S. Incerti, E. Debiton, C. Peyrode, J. Chezal, E. Miot-Noirault, F. Degoul, L. Maigne
SU-E-T-566 Comparison of VMAT and IMRT for Whole Abdomen Radiation Therapy (WART)
T. Briere*, P. Anderson, W. Huh, A. Hayes-Jordan, M. McAleer
SU-E-T-567 A Three-Field Mono-Isocentric Inverse Treatment Planning Method for the Patients with Larger Breasts
T. Zhang*, O. Marina, P. Chen, M. Teahan, Q. Liu, L. Benedetti
SU-E-T-568 Improving Normal Brain Sparing with Increasing Number of Arc Beams for Volume Modulated Arc Beam Radiosurgery of Multiple Brain Metastases
S. Hossain*, K. Hildebrand, S. Ahmad, D. Larson, A. Sahgal, L. Ma
SU-E-T-569 Evaluation of VMAT Plans Generated with HD120 and Millennium 120 MLC Between Two Matched Linacs
G. Cui*, L. Ballas, E. Chang, E. Chung, R. Chiu, D. Cummings, A. Shiu
SU-E-T-570 Management of Radiation Oncology Patients with Cochlear Implant and Other Bionic Devices in the Brain and Head and Neck Regions
F. Guo*, Z. Chen, R. Nath
SU-E-T-571 Microdosimetric Characterization of Proton Biological Effectiveness
C. Guardiola*, A. Carabe-Fernandez, S. Tuttle
SU-E-T-572 Beam Characteristics and Treatment Planning Commissioning for a New Proton Therapy Unit
T. Zhao*, B. Sun, K. Grantham, L. Santanam, S. Goddu, E. Klein
SU-E-T-573 The Robustness of a Combined Margin Recipe for Uncertainties During Radiotherapy
J. Stroom*, S. Vieira, C. Greco
SU-E-T-574 Fessiblity of Using the Calypso System for HDR Interstitial Catheter Reconstruction
J. Li*, C. Ma
SU-E-T-575 Isocenter Shifts in Treatment Planning and Its Clinical Implications
Y. Ahmed*, S. Damiani, Y. Cao, A. Jamshidi
SU-E-T-576 Evaluation of Patient Specific VMAT QA Using Dynalog Files and Treatment Planning System
D. Defoor*, S. Stathakis, P. Mavroidis, N. Papanikolaou
SU-E-T-577 Commissioning of a Deterministic Algorithm for External Photon Beams
T. Zhu*, J. Finlay, C. Mesina, H. Liu
SU-E-T-578 MCEBRT, A Monte Carlo Code for External Beam Treatment Plan Verifications
O. Chibani*, A. Eldib, C. Ma
SU-E-T-579 Impact of Cylinder Size in High-Dose Rate Brachytherapy (HDRBT) for Primary Cancer in the Vagina
H. Zhang*, M. Gopalakrishnan, P. Lee, V. Sathiaseelan
SU-E-T-580 Comparison of Cervical Carcinoma IMRT Plans From Four Commercial Treatment Planning Systems (TPS)
y. cao*, R. Li, Z. Chi, S. Zhu
SU-E-T-581 A Comparative Study of Standard IMRT and VMAT Planning Techniques for Unilateral and Bilateral Head & Neck Irradiation
J. Pursley*, R. Tishler, D. Margalit, D. Sher, A. Damato
SU-E-T-582 Evaluation of Standard Beam Delivery Devices in Proton Intracranial Radiosurgery
A. Wroe*, J. Webster, D. Bush, R. Schulte, B. Patyal, J. Slater
SU-E-T-583 Optimizing the MLC Model Parameters for IMRT in the RayStation Treatment Planning System
S. Chen*, B. Yi, H. Xu, X. Yang, K. Prado, W. D'Souza
SU-E-T-584 Commissioning of the MC2 Monte Carlo Dose Computation Engine
U. Titt*, D. Mirkovic, A. Liu, A. Anand, L. Perles, G. Ciangaru, R. Mohan
SU-E-T-585 Commissioning of Electron Monte Carlo in Eclipse Treatment Planning System for TrueBeam
X. Yang*, G. Lasio, J. Zhou, M. Lin, B. Yi, M. Guerrero
SU-E-T-586 Field Size Dependence of Output Factor for Uniform Scanning Proton Beams: A Comparison of TPS Calculation, Measurement and Monte Carlo Simulation
Y. Zheng*, H. Singh, M. Islam
SU-E-T-587 Monte Carlo Versus Ray-Tracing for Treatment Planning Involving CNS Tumors On the MultiPlan System for CyberKnife Radiosurgery
R. Teboh Forbang*
SU-E-T-588 Characterization and Clinical Validation of the Varian Pivotal™ Treatment Solution for Prone Breast Care
K. Dewyngaert*, G. Jozsef, S. Formenti
SU-E-T-589 A Comparison of Field Size Dependence of Electron Depth Dose From Different Linacs
M. Kim*, T. Zhu
SU-E-T-590 An Activation Study of Materials and Devices Present in a Proton Treatment Room
D. Spitznagel*
SU-E-T-591 Measurement and Monte Carlo Simulation of Stray Neutrons in Passive Scattering Proton Therapy: Needs and Challenges
J. Farah*, A. Bonfrate, M. Caresana, S. Delacroix, L. Donadille, N. Dubourg, J. Hérault, V. Lacoste, F. Martinetti, C. Nauraye, S. Piau, R. Sayah, F. Trompier, I. Vabre, I. Clairand
SU-E-T-592 Relationship Between Dose of Distribution and Area of Segment Fields Among Different Intensity-Modulated Radiotherapy Planning in Cervix Cancer
r. qiu, y. wang*, y. cao, R. Zhang, K. Shang, Z. Chi
SU-E-T-593 Clinical Evaluation of Direct Aperture Optimization in Head/Neck and Prostate IMRT Treatment
M. Hosini*, M. GALAL IBRAHIM, I. Emam, G. Kamal, M. Algohary
SU-E-T-594 Preliminary Active Scanning Results of KHIMA
c. kim*, T. Yang, S. Chang, H. Kim, H. Lee, J. Kim, H. Jang, G. Han, D. Park, W. Hwang, G. Kim
SU-E-T-595 Design of a Graphical User Interface for An In-House Monte Carlo Based Treatment Planning System: Planning and Contouring Tools
M. EMAM*, A. Eldib, M. Lin, J. Li, O. Chibani, C. Ma
SU-E-T-596 Axillary Nodes Radiotherapy Boost Field Dosimetric Impact Study: Oblique Field and Field Optimization in 3D Conventional Breast Cancer Radiation Treatment
M. Su*, S. Sura
SU-E-T-597 Composite IMRT Planning: How Does the Initial Plan Dose Distribution Affect the Boost Plan Optimization?
S. Stathakis, G. Avila, P. Mavroidis, C. Ha, T. Eng, Z. Shi, P. Papanikolaou*
SU-E-T-598 The Effects of Arm Speed for Quality Assurance and Commissioning Measurements in Rectangular and Cylindrical Scanners
M. Bakhtiari*, J. Schmitt
SU-E-T-599 The Variation of Hounsfield Unit and Relative Electron Density Determination as a Function of KVp and Its Effect On Dose Calculation Accuracy
A. Ohl*, S. de Boer
SU-E-T-600 In Vivo Dosimetry for Total Body and Total Marrow Irradiations with Optically Stimulated Luminescence Dosimeters
M. Niedbala*, C. Save, J. Cygler
SU-E-T-601 Output Factor Calculation of Irregular Shape Electron Cutout at Extended SSD
H. Alkhatib, W. Gebreamlak*
SU-E-T-602 Beryllium Seeds Implant for Photo-Neutron Yield Using External Beam Therapy
S. Koren*, I. Veltchev, E. Furhang
SU-E-T-603 Analysis of Optical Tracked Head Inter-Fraction Movements Within Masks to Access Intracranial Immobilization Techniques in Proton Therapy
W. Hsi*, O. Zeidan
SU-E-T-604 Dosimetric Dependence On the Collimator Angle in Prostate Volumetric Modulated Arc Therapy
m. khan*, j. rehman, M. Khan, J. Chow
SU-E-T-605 A New Design for a Rotating Gamma Knife. Monte Carlo Simulation
G. Mora*, O. Chibani, J. Li, C. Ma
SU-E-T-606 A Novel Integrated VMAT/IMRT Technique For the Treatment of Non-Small Cell Lung Cancer
N. Zhao*, R. Yang, J. Wang
SU-E-T-607 An Experimental Validation of Gamma Knife Based Convolution Algorithm On Solid Acrylic Anthropomorphic Phantom
N. Gopishankar*, R. K Bisht
SU-E-T-608 Performance Comparison of Four Commercial Treatment Planning Systems Applied to Intensity-Modulated Radiotherapy
y. cao, R. Li*, Z. Chi
SU-E-T-609 Evaluation of Transit Dosimetry Software Using Heterogeneous Phantom
L. Matulewicz*, J. Prazmowska, M. Stapor-Fudzinska, K. Slosarek
SU-E-T-610 Comparison of Treatment Times Between the MLCi and Agility Multileaf Collimators
C. Ramsey*, J. Bowling
SU-E-T-611 Effective Treatment Volume of the Small Size IORT Applicators
A. Krechetov*, D. Goer
SU-E-T-612 Reducing Toxicity in HPV+ Head and Neck Patients: Dose De-Escalation Or PTV Elimination?
K. Brock*, K. Vineberg, C. Lee, A. Eisbruch, M. Matuszak
SU-E-T-613 Dosimetric Consequences of Systematic MLC Leaf Positioning Errors
K. Kathuria*, J. Siebers
SU-E-T-614 Derivation of Equations to Define Inflection Points and Its Analysis in Flattening Filter Free Photon Beams Based On the Principle of Polynomial Function
K. Raja Muralidhar*, K. Komanduri
SU-E-T-615 Investigation of the Dosimetric Impact of Tandem Loading in the Treatment of Cervical Cancer for HDR Brachytherapy Procedures
C. Esquivel*, L. Patton, K. Nelson, B. Lin
SU-E-T-616 Comparison of Plan Dose Accuracy for Anterior Vs. Lateral Fields in Proton Therapy of Prostate Cancer
M. Moteabbed*, A. Trofimov, M. Testa, G. Sharp, Y. Wang, H. Paganetti, A. Zietman, J. Efstathiou, H. Lu
SU-E-T-617 A Feasibility Study of Navigation Based Multi Criteria Optimization for Advanced Cervical Cancer IMRT Planning
C. Ma*
SU-E-T-618 Dosimetric Comparison of Manual and Beam Angle Optimization of Gantry Angles in IMRT for Cervical Cancer
X. Lin*, T. Sun, T. Liu, G. zhang, Y. Yin
SU-E-T-619 Comparison of CyberKnife Versus HDR (SAVI) for Partial Breast Irradiation
R. Mooij*, X. Ding, S. Nagda
SU-E-T-620 Dosimetric Compliance Study for a New Prostate Protocol of Combined High Dose Rate Brachytherapy and Stereotactic Body Radiotherapy
C. Peng*, T. Giaddui, R. Den, A. Harrison, Y. Yu
SU-E-T-621 Analysis of Robustness of Proton Pencil Beam Scanning Technique for Delivery of Craniospinal Irradiation
H. Lin*, M. Kirk, H. Zhai, X. Ding, H. Liu, C. Hill-Kayser, R. Lustig, Z. Tochner, J. McDonough, S. Both
SU-E-T-622 Identification and Improvement of Patients Eligible for Dose Escalation with Matched Plans
K. Bush*, C. Holcombe, D. Kapp, M. Buyyounouski, S. Hancock, L. Xing, T. Atwood, M. King
SU-E-T-623 Delivery of 3D Conformal Proton-Therapy Fields at Extended Source-To-Axis Distances
E. Kryck*, R. Slopsema
SU-E-T-624 Quantitative Evaluation of 2D Versus 3D Dosimetry for Stereotactic Volumetric Modulated Arc Delivery Using COMPASS
S. Vikraman*, D. Manigandan, K. Karrthick, T. Rajesh, V. Senniandanvar, R. Sambasivaselli, N. Karthikeyan, M. Muthukumaran, T. Kataria
SU-E-T-625 Use and Choice of Ionization Chambers for the Commissioning of Flattened and Flattening-Filter-Free Photon Beams: Determination of Recombination Correction Factor (ks)
F. Bonfantini*, C. Stucchi, A. Bresolin, V. Mongioj, M. Carrara, E. Pignoli
SU-E-T-626 Accuracy of Dose Calculation Algorithms in MultiPlan Treatment Planning System in Presence of Heterogeneities
C. Moignier*, C. Huet, V. Barraux, C. Loiseau, K. Sebe-Mercier, A. Batalla, L. Makovicka
SU-E-T-627 Failure Modes and Effect Analysis for Monthly Quality Assurance of Linear Accelerator
J. Xie*, Y. Xiao, J. Wang, J. Peng, S. Lu, W. Hu
SU-E-T-628 Effect of Dose Rate and Leakage Correction for Dosimetric Leaf Gap Measurement
W. Feng*, A. Chu, Y. Chi, J. Hu
SU-E-T-629 Feasibility Study of Treating Multiple Brain Tumors with Large Number of Noncoplanar IMRT Beams
P. Dong*, L. Ma
SU-E-T-630 Commissioning for SRS Planning Systems
C. Smith*, S. Pella, A. Bacala, T. Leventouri
SU-E-T-631 Commissioning and Comprehensive Evaluation of the ArcCHECK Cylindrical Diode Array for VMAT QA
V. Chaswal*, M. Weldon, N. Gupta, Y. Rong
SU-E-T-632 A Dosimetric Comparison of the 3D-CRT Planning of Chest Wall in Post-Mastectomy Breast Cancer Patients, with and Without Breast Board Setup
A. Muzaffar*
SU-E-T-633 Dose Differences in Lung Cancer SBRT: The Influences of MLC Width
J. Chen*, Y. Yin
SU-E-T-634 Analysis of Volume Based GYN HDR Brachytherapy Plans for Dose Calculation to Organs At Risk(OAR)
M. Nair*, C. Li, M. White, J. Davis
SU-E-T-635 Quantitative Study On Beam Flatness Variation with Beam Energy Change
J. Li*, M. Lin, A. Eldib, C. Ma
SU-E-T-636 Investigation of Dose Variation in High Dose Radiation Brachytherapy
M. Hyvarinen*, S. Pella, T. Leventouri, C. Casey, N. Dumitru, R. Herrera, S. Long
SU-E-T-637 Age and Batch Dependence of Gafchromic EBT Films in Photon and Proton Beam Dosimetry
I. Das*, Y. Akino
SU-E-T-638 Evaluation and Comparison of Landauer Microstar (OSLD) Readers
S. Souri*, Y. Ahmed, Y. Cao, A. Jamshidi
SU-E-T-639 A Study On the Response of 2D Array Detector for VMAT Delivery for a Period of Two Years
s. kumar*, A. George
SU-E-T-640 Dosimetric Comparison of Intensity-Modulated Arc Therapy and Intensity-Modulated Tadiotherapy of Cervical Carcinoma
T. Liu*, G. zhang, C. Tao, T. Sun, X. Lin
SU-E-T-641 Development and Verification of Automatic Reading Dose of Interest From Eclipse's DVH
Q. Wu*
SU-E-T-642 Safety Procedures for Error Elimination in Cyberknife Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT)
A. Hussain*, A. Alkafi, W. Al-Najjar, B. Moftah
SU-E-T-643 A Comparison of the DTA and Gamma Index Analysis for IMRT/VMAT Plans in Rectal Carcinoma
R. Li, y. cao*, K. Shang, J. Wang, R. Zhang, Z. Jing, C. Han, Z. Chi
SU-E-T-644 Evaluation of Angular Dependence Correction for 2D Array Detector Using for Quality Assurance of Volumetric Modulated Arc Therapy
K. Nithiyanantham*, K. Ganesh, V. Subramani, M. Shariff
SU-E-T-645 Dose Enhancement to Cell Nucleus Due to Hard Collisions of Protons with Electrons in Gold Nanospheres
J. Eley*, S. Krishnan