47th AAPM Annual Meeting Program
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  Session Information | Meeting Home
Sunday, July 24, 2005
Therapy General Poster Discussion
General Poster Discussion - Therapy
Sunday 3:00:00 PM - 4:30:00 PM  Room: Exhibit Hall 4A
SU-FF-T-1 A Newly Designed LDR Brachytherapy Applicator for Treatment of Cervical Cancer with Extension Into the Lower Vagina - C. Baker*, S. Dini, A. Meigooni
SU-FF-T-2 Comparison of a 3D Multi-Group Sn Particle Transport Code with Monte Carlo for Intracavitary Brachytherapy of the Cervix Uteri - K. Gifford*, J. Horton, G. Failla, D. Barnett, J. McGhee, T. Wareing, P. Eifel, F. Mourtada
SU-FF-T-3 Design and Quantitative Analysis of a Novel Brachytherapy Robot - M. Meltsner*, N. Ferrier, B. Thomadsen
SU-FF-T-4 Experimental Method Development for Direct Dosimetry of Permanent Prostate Brachytherapy Implants - J. Jarrett*, E. Sajo
SU-FF-T-5 Interactive CT Based Seed Visualization, Localization and Verification in 3D - W. Feng*, F. Van den Heuvel, A. Chu, V. Narayana, M. Yudelev
SU-FF-T-6 Megavoltage CT Imaging Enables CT-Based Low-Doserate Brachytherapy Planning Without CT-Compatible Applicators - T. Wagner*, D. Buchholz, K. Langen, S. Meeks, T. Willoughby, P. Kupelian
SU-FF-T-7 The Application of Sr-90/Y-90 for the Prevention of Abdominal Adhesions - S. Rhoades*, M. Blough, J. Hevezi
SU-FF-T-8 Tomotherapy Megavoltage Imaging for Gynecological Brachytherapy Treatment Planning and IMRT Integration - D. Wilson*, S. Hughes, C. Yashar
SU-FF-T-9 Verification of Dose Point Kernels for Ir-192 Brachytherapy - J. BenComo*, D. Macey, A. Lawyer
SU-FF-T-10 Coils, a New Twist for Treatment of Prosate Cancer by Brachytherapy - D. Gladstone*, A. Hartford, E. Hug
SU-FF-T-11 Dosimetry Comparison of LDR 137Cs and LDR 252Cf Brachytherapy Sources - C. Melhus*, H. Zinkin, M. Rivard
SU-FF-T-12 Experimental and Theoretical Dosimetric Characterization of ADVANTAGE™ Pd-103 Brachytherapy Source - R. Koona*, V. Rachabatthula, S. Awan, A. Meigooni
SU-FF-T-13 Monte Carlo Calculation of the TG-43 Dosimetric Parameters of a New BEBIG Ir-192 HDR Source - F. Ballester*, E. Casal, D. Granero, J. Perez-Calatayud, S. Agramunt, R. Cases
SU-FF-T-14 Monte Carlo Derivation of TG-43 Dosimetric Parameters for Radiation Therapy Resources and 3M Cs-137 Sources - E. Casal*, D. Granero, F. Ballester, J. Perez-Calatayud, S. Agramunt, R. Cases
SU-FF-T-15 On the Prescription Dose in Permanent Cs-131 Seed Prostate Implants - N. Yue*, D. Heron, K. Komanduri, M. Huq
SU-FF-T-16 Treatment Planning Isodose Calculations with the Gliasite Radiation Therapy System - A. Sabbas*, F. Kulidzhanov, S. Trichter
SU-FF-T-17 3D Monte Carlo-Based Treatment Planning Evaluation of Intracavitary HDR Balloon Catheter Brachytherapy - F. Lerma*, Y. Le, J. Kelley, D. Arthur, J. Williamson
SU-FF-T-18 A Simple Theoretical Verification of HDR Calculation Dose Using Point and Line Source Approximation - E. Shin*, Y. Han, S. Ju, S. Huh
SU-FF-T-19 A Study of the Effects of Seed Migration On Prostate Post-Seed Dose Plan Evaluation - M. Gao*, N. Samsami, J. Woollard, C. Kanellitsas, J. Wang, N. Gupta
SU-FF-T-20 Accuracy of Non-Coplanar Reconstruction of Shielded Colpostats in Intracavitary Brachytherapy - E. Doraisamy*, S. Subramanian, V. S, R. Kushwah, S. Shende, V. Bansal
SU-FF-T-21 Analysis of Three Optimization Techniques in a Treatment Planning System - Z. Hu*, J. Chu
SU-FF-T-22 Application of Neural Network Algorithm for Treatment Planning Verification of Permanent Prostate Implants - J. Wojcicka*, D. Silvern, R. Kudynski, E. Bagan
SU-FF-T-23 Comparison of Chest Radiographs, Fluoroscopy and Seed-Migration Detector for the Detection of Embolized Seeds to the Lung - J. Morrier*, M. Chrétien, L. Beaulieu
SU-FF-T-24 Comparison of Endobronchial HDR Brachytherapy Using CT Imaging and Conventional Simulator Filming - J. Tsai*, G. Cardarelli, A. Corrao, J. Hiatt, D. Shearer, C. Bradford, T. DiPetrillo, Y. Puthawala, D. Wazer
SU-FF-T-25 Comparison of Intra-Operative Computer Optimized and Nomogram-Based Total Implant Activities in Prostate I-125 Seed Implants - R. Yaparpalvi*, C. Guha, N. Kahan, l. minsky, A. Danish, S. Shah, M. Engler, S. Kalnicki
SU-FF-T-26 Comparison of PDR Iridium and LDR Cesium Through Monte Carlo Simulation - H. Vass*, G. Ibbott
SU-FF-T-27 Detailed Urethral Dosimetry in the Evaluation of Prostate Brachytherapy-Related Urinary Morbidity - Z. Allen*, G. Merrick, W. Butler, B. Kurko, R. Anderson, B. Murray, R. Galbreath
SU-FF-T-28 Dose Perturbation Effects in Brain Implant Brachytherapy with I-125 Radioactive Seeds - P. Mobit*, I. Badragan
SU-FF-T-29 Dose to the Physician's Extremity During I-125 Prostate Seed Implant Using a Commercial Loading Device - J. Avadhani*, H. Malhotra, B. Cunningham, b. rajagopalan, T. Wagner, M. Podgorsak, M. Kuettel
SU-FF-T-30 Dosimetric Comparison of Two Techniques for Prostate Brachytherapy Implants - R. Mghari*, K. Ibrahim-Ashford, J. Bennouna
SU-FF-T-31 Image Registration of Projected X-Ray Film and CT Image in Brachytherapy Planning - J. Chang*, T. Suh, Y. Ji, S. Kim
SU-FF-T-32 Imaged-Based Simulation Technique To Determine Stepping Source Dwell Position For MammoSite® Brachytherapy Procedures - C. Saw*, K. Komanduri, R. Selvaraj, H. Chen, F. Li, D. Heron
SU-FF-T-33 Introduction to 3-D Image-Based Treatment Planning for Complex Brachytherapy of Soft Tissue Sarcoma - J. Proffitt*, C. Coffey, M. Teng
SU-FF-T-34 Inversely Planned Catheter Positions for High Dose Rate Brachytherapy of the Prostate - E. Lessard*, L. Beaulieu, I. Hsu, J. Pouliot
SU-FF-T-35 Is High-Dose Rate (HDR) “better Than” and Low-Dose Rate (LDR) Prostate Brachytherapy? A Dosimetric Study Using Retrospective Data. - R. Sankreacha*, G. Morton, A. Al-Hebshi
SU-FF-T-36 MammoSite Dosimetry Under Condition of Insufficient Buildup and the Proximity of the Balloon to the Lung - C. Cheng*, I. Das, R. Mitra
SU-FF-T-37 Measurement of Cranio-Caudal Catheter Displacement Between Fractions in CT-Based HDR Brachytherapy of Prostate Cancer - Y. Kim*, I. Hsu, J. Pouliot
SU-FF-T-38 Measurement of the Radial Dose and the Dose Anisotropy Functions for the New 192Ir Varian Source - I. Gamboa-deBuen*, P. Díaz, A. Poitevin
SU-FF-T-39 Mono-Energetic Brachytherapy Sources - P. Gueye*, R. Britten, C. Keppel
SU-FF-T-40 Monte Carlo Calculation of Pd-103 Prostate Implant Treatment Plan - M. Napolitano*, W. Butler
SU-FF-T-41 Monte Carlo Dosimetric Study of the New BEBIG Co-60 HDR Source - J. Perez-Calatayud*, D. Granero, F. Ballester, E. Casal, S. Agramunt, R. Cases
SU-FF-T-42 Monte Carlo Study of Delivered Dose as a Function of Applicator Material in HDR Brachytherapy - C. Danford*, D. Gladstone
SU-FF-T-43 Objective Comparison of RAPID Strand and Free SelectSeeds Loading for Permanent Prostate Implants Using An Inverse Planning Approach - S. Kwa, E. Lessard*, M. Moerland, J. Pouliot
SU-FF-T-44 Optimized Source Selection for Low Dose Rate Brachytherapy - T. Nurushev*, J. Kim
SU-FF-T-45 Partial Volume Analysis in Permanent Seed Implantations - R. Baumann*, A. Warszawski, S. Machtens, J. Karstens
SU-FF-T-46 Performance of Xoft FlexiShield™ Flexible X-Ray Shielding in Laboratory Tests and in a Goat Mammary Model - T. Rusch*, S. Axelrod, P. Smith
SU-FF-T-47 Phantom Study of Radiation Dose Reduction to the Contralateral Breast Using Lead Shielding When Treating with the MammoSite Applicator - J. Hansen*, A. Stewart, D. O''Farrell, R. Rodenbush, P. DEvlin, R. Cormack
SU-FF-T-48 Prognostic Significance of Perineural Invasion On Biochemical Progression-Free Survival Following Prostate Brachytherapy - E. Adamovich*, G. Merrick, W. Butler, R. Galbreath, Z. Allen
SU-FF-T-49 Prostate Brachytherapy-Induced Urethral Strictures - R. Galbreath*, G. Merrick, W. Butler, R. Anderson, Z. Allen
SU-FF-T-50 Reduction of Computed Tomography Metal Artifacts Due to I-125 Seeds for Post Implant Analysis in Prostate Permanent Brachytherapy - Y. Takahashi*, S. Mori, T. Kozuka, K. Gomi, A. Osawa, T. Yamashita
SU-FF-T-51 Relationship Between Isotope, Prostate Volume and Urinary Morbidity Following Prostate Brachytherapy - W. Butler*, A. Niehaus, G. Merrick, Z. Allen, R. Galbreath, E. Adamovich
SU-FF-T-52 Selecting Patients with a Pretreatment Post-Void Residual Urine < 100 Cc May Favorably Influence Brachytherapy-Related Urinary Morbidity - R. Galbreath*, M. Beekman, G. Merrick, W. Butler, Z. Allen, S. Gutman, J. Usher
SU-FF-T-53 The Impact of Primary Gleason Grade On Biochemical Outcome Following Brachytherapy for Hormone Naïve Gleason Score 7 Prostate Cancer - G. Merrick*, W. Butler, R. Galbreath, Z. Allen, E. Adamovich
SU-FF-T-54 Treatment Planning in HDR Intracavitary Brachytherapy: Comparison of Critical Organ Doses as Estimated by Orthogonal Radiographs Based Planning and Image Based Planning - T. Ganesh*, V. Subramani, R. Joshi, T. Aruna, r. Sharma, N. Gopishankar, G. Rath
SU-FF-T-55 Variability of Prostate Brachytherapy Preimplant Dosimetry: A Multi-Institutional Analysis - W. Butler*, G. Merrick, K. Wallner, J. Blasko, J. Michalski, J. Aronowitz, P. Grimm, B. Moran, P. McLaughlin
SU-FF-T-56 Verifying Correct Location of HDR Source Dwell Position in the MammoSite Catheter Using An Integral Linear MOSFET Dosimeter Array - D. Vassy*, A. Hallil, J. Stubbs, M. Webster, J. Turmel, B. Salazar
SU-FF-T-57 A COIN-Based Comprehensive Specification Index for IMRT Treatment Plans - J. Barbiere, G. Gejerman, J. Hanley*
SU-FF-T-58 A Comparison Between Helical Tomotherapy and LINAC-Based Fractionated Cranial Radiosurgery Treatments Utilizing RTOG Guidelines - H. Wu, H. Akpati*, L. Rosen, S. Katz, M. Mirzasadeghi, J. Walker
SU-FF-T-59 A Comparison of Forward and Inverse Planned IMRT Treatment of Breast Cancer - L. Qin*, S. Rakfal
SU-FF-T-60 A Dosimetric Comparison of Three Commercially Available Carbon Fiber Table Extension Boards - S. Gajdos*, L. Muhieddine, G. Chan, M. Weinhous
SU-FF-T-61 A Pseudo-Tangential IMRT Technique for the Whole Large Left Breast Radiation Therapy Using Helios/Eclipse System - H. Guan*, R. Hammoud, D. Pradhan, F. Yin, J. Kim, M. Ajlouni, B. Movsas
SU-FF-T-62 Anatomy-Based MLC Field Optimization for the Treatment of Gynecologic Malignancies - S. Nadeau*, M. Bouchard, I. Germain, P. Raymond, F. Beaulieu, L. Beaulieu, R. Roy, F. Harel, L. Gingras
SU-FF-T-63 Breast IMRT Based On Direct Aperture Optimization - E. Ahunbay*, K. Albano, P. Jursinic, X. Li
SU-FF-T-64 Combined Electron and Photon Intensity Modulated Radiotherapy for the Management of Malignant Pleural Mesothelioma - M. Chan*, C. Chui, Y. Song, C. Burman, K. Schupak
SU-FF-T-65 Comparison of Dose to Rectum and Bladder with 3DCRT and IMRT Plans for the Treatment of Prostate - N. Reddy*, B. Sood, A. Mazur, A. Osian, S. Sampath, A. Ravi, J. Poli, D. Nori
SU-FF-T-66 Comparison of IMRT Plans with Tissue Heterogeneity Corrections Using the Pinnacle3 and CORVUS Treatment Planning Systems - S. Pillai*, K. Ayyangar, S. Li, R. Nehru, W. Zhen, C. Enke
SU-FF-T-67 Comparison of Linac Based Fractionated Stereotactic Radiotherapy and Tomotherapy for Treatment of Skull-Base Tumors - E. Soisson*, G. Richards, M. Mehta, W. Tome
SU-FF-T-68 Conformal Target Versus Conformal Avoidance IMRT in Patients with Prostate Cancers - J. Deng*, Z. Chen, H. Song, R. Nath
SU-FF-T-69 Determining Patient Eligibility for Prostate IMRT Dose Painting Protocols: The Role of Image Resolution, Margin Requirements, and Intraprostatic Tumor Volume - K. Osterman*, T. Liu, P. Zhang, E. Mullokandov, R. Ennis, G. Kutcher
SU-FF-T-70 Dosimetric Comparison of Inhomogeniety Corrections in IMRT Treatment Planning Systems: A Collaborative Study - R. Mitra*, T. Bagala, A. Olch, I. Das, C. Cheng, K. Chopra, B. Hasson, Z. Jiang, S. Murphy, J. Lian, A. Ahnesjo
SU-FF-T-71 Effect of Daily Shifts of IMRT Prostate Patients On Dose to Pelvic Nodes - T. Halabi*, T. Bortfeld, D. Craft, J. Wolfgang, D. Gierga, A. Zietman, H. Shih
SU-FF-T-72 Effect of Number of Beams On Dose Gradients and Quality of IMRT Plans - T. Nguyen*, P. Xia
SU-FF-T-73 Effects of Beam Energies On IMRT Treatments of Large-Sized Prostate Patients - M. Sun*, L. MA
SU-FF-T-74 Effects of Patient Positioning and Treatment Techniques On the Potential for Dose Escalation in Patients with Gynecological Malignancies with Para-Aortic Lymph Node Involvement - D. Levin*, J. Menhel, D. Alezra, R. Pfeffer, Z. Symon
SU-FF-T-75 IG IMRT of Tumors On Convex Surfaces with Grazing Incidence Photon Therapy - A. Zacarias*, M. Mills
SU-FF-T-76 Implementation and Initial Testing of a Monte Carlo Based Algorithm for IMRT Inverse Treatment Planning - M. Rosu*, M. Matuszak, E. Acosta, B. Fraass, D. McShan, I. Chetty
SU-FF-T-77 IMRT of Superficial Tumors - A. Sethi*, L. Leybovich, S. King, I. Rusu, M. Xu
SU-FF-T-78 IMRT Treatment Planning for Mantle Fields - A. Ndlovu*, J. Barbiere, A. Ingenito, J. Hanley
SU-FF-T-79 IMRT with MLC Rotation – Dose Volume Benefits of High Precision Treatment Planning - K. Otto*
SU-FF-T-80 Incorporation of Isodose-Level Control to a Simplified Intensity-Modulated Radiation Therapy (sIMRT) Technique for Whole Breast Radiotherapy - Z. Chen*, J. Deng, H. Song, Y. Fan, M. Ahmad, J. Bond, C. Chui, B. Haffty, R. Nath
SU-FF-T-81 Mixed Beam Energy for IMRT Treatment of Prostate Carcinoma - H. Malhotra*, J. Avadhani, S. de Boer, M. Podgorsak
SU-FF-T-82 Non-Tumor Integral Dose in Conformal, External Beam Radiation Therapy - D. Westerly*, H. Aoyama, R. Patel, H. Jaradat, G. Olivera, W. Tome, M. Ritter, M. Mehta, T. Mackie
SU-FF-T-83 Partial Breast Treatment Using Energy- and Intensity- Modulated Photon and Electron Beams - J. Li*, W. Xiong, J. Fan, C. Ma
SU-FF-T-84 Preferential Non-Uniform Target Dose Distribution Using IMRT and PET/CT Imaging- a Feasibility Study - M. Sarfaraz*, B. Zhang
SU-FF-T-85 Radiation Induced Cancer After Radiotherapy: The Impact of IMRT and Proton Radiotherapy - U. Schneider*, A. Lomax, P. Pemler, J. Besserer, D. Ross, N. Lombriser, B. Kaser-Hotz
SU-FF-T-86 Rapid (<15 Minutes) Automated Tangential Breast IMRT Treatment Planning With Cutplane Evaluation - J. Hanley*, J. Barbiere, A. Ndlovu, A. Kapulsky, I. Rebo, J. Napoli, G. Gejerman
SU-FF-T-87 Software Tools for Transferring Treatment Plans Between Two Planning Systems - X. Zhang*, L. Dong, X. Zhu, R. Zein, J. Lim, X. Wang, M. Lii, J. Xu, Y. Kang, M. Gillin, R. Mohan
SU-FF-T-88 Study of Merits On IMRT with Gating Technique for Treatment of Intrahepatic Cancer - H. Kuo*, W. Liu, S. Chang, A. Wu, K. Chuang, R. Lalonde
SU-FF-T-89 The Effect of Breast Motion On Dose Distribution in Tangential IMRT with Direct Aperture Optimization - G. Zhang*, Z. Jiang, D. Shepard, B. Zhang, C. Yu
SU-FF-T-90 The Use of Bluetooth Technology in Multiple Monitoring of Vital Signs – ECG and Pulse - V. Cosma*, D. Ciorba, C. Cosma
SU-FF-T-91 Unusually Large Fluctuation of Monitor Unit (MU) Efficiency in Large-Field IMRT Plans Using Sliding-Window Technique - H. Song*, Z. Chen, Y. Fan, J. Deng, M. Ahmad, R. Nath
SU-FF-T-92 Volumetric Breast IMRT Planning Using ICRU-50 Concepts - S. McNeeley*, G. Freedman, J. Li, P. Anderson, R. Price, C. Ma
SU-FF-T-93 A Clinical Comparison of Two IMRT Planning Systems for Small Field Conformal Therapy of Intracranial Lesions - C. Kmety-Stevenson*, D. Brinkmann, K. Kisrow, M. Herman, S. Stafford, P. Brown, K. McCollough
SU-FF-T-94 Clinical Evaluation of Direct Machine Parameter Optimization Algorithm for Head and Neck IMRT Treatment - S. Tung*, M. Lii, P. Lai, P. Wong, B. Mason, A. Garden, K. Chao, X. Zhu
SU-FF-T-95 Dosimetric Comparison of Helical TomoTherapy Treatment and Step-And-Shoot Intensity-Modulated Radiotherapy Treatment On Stereotactic Radiosurgery - C. Han*, A. Liu, T. Schultheiss, R. Pezner, Y. Chen, J. Wong
SU-FF-T-96 Improvement in IMRT Delivery for Head and Neck Patients Using Simplified IMRT Plans and Enhanced IMRT Delivery System - P. Xia*, E. Ludlum, K. Bucci, S. Gliessmann, L. Verhey
SU-FF-T-97 A Generalized MLC Segmentation Algorithm for Step-And-Shoot IMRT with No Tongue-And-Groove Error - C. Wang*, S. Luan, D. Chen, X. Hu, C. Yu
SU-FF-T-98 A Shuttling Window Method of Improving Intrafractional Errors for Intensity Modulated Stereotactic Body Radiation Therapy - M. Sun*, W. D'Souza, L. MA
SU-FF-T-99 An Analysis of Intensity Discretization Errors in IMRT - T. Mackie*, R. Flynn, M. Kissick, R. Jeraj
SU-FF-T-100 Aperture Effects in Dynamic Fields - P. Higgins*, P. Alaei
SU-FF-T-101 Clinical Feasibility of "jaws-Only" IMRT Using Direct Aperture Optimization - M. Earl*, C. Yu, Z. Jiang, D. Shepard
SU-FF-T-102 Dosimetric Properties of Respiratory-Gated Intensity Modulated Arc Treatments - E. Wong*, S. Allanson, G. Berryhill, J. Chen, S. Gaede
SU-FF-T-103 Implementation of the Tungsten-Compensator Based Intensity-Modulated Radiotherapy (IMRT) - J. Lian*, S. Chang, T. Cullip, K. Deschesne, E. Schreiber, W. Gardner, L. Potter, W. Euliss
SU-FF-T-104 Rotating Aperture Optimization – Planning and Delivery Characteristics - K. Otto*, M. Milette, M. Schmuland
SU-FF-T-105 The Impact of Multileaf Collimator Rotation in IMRT Planning - K. Roedersheimer*, D. Chen, S. Luan, L. Xing
SU-FF-T-106 A Greedy Segment Generating Algorithm for IMRT - K. Li*
SU-FF-T-107 Analytical Modeling of Pencil Beams to Include Compensator-Related Beam Perturbations - F. du Plessis*, C. Ma, C. Willemse
SU-FF-T-108 Computing the Regularization Parameter for Inverse Treatment Planning Using the L-Curve Method - A. Chvetsov*
SU-FF-T-109 Fast Integer-Valued Smoothing of Beam Profiles in Intensity Modulated Radiation Therapy - E. Lee, D. Lewis*
SU-FF-T-110 Fast Inverse Dose Optimization (FIDO) for IMRT Via Matrix Inversion Without Negative Beamlet Intensities - P. Goldman*, J. Chen, J. Battista
SU-FF-T-111 Fast Nonlinear Optimization with Simple Bounds for IMRT Planning - K. Cheong*, T. Suh, H. Romeijn, J. Li, J. Dempsey
SU-FF-T-112 First Evaluation of a New Multicriteria Optimization Tool - Investigation of Pareto-Surfaces for IMRT Prostate Plans - M. Uhrig*, C. Thieke, F. Alonso, K. Küfer, M. Monz, A. Scherrer, U. Oelfke
SU-FF-T-113 Incorporating Intra-Fraction Motion Into IMRT Plan Optimization - D. Shepard*, D. Cao, M. Earl, S. Naqvi, W. D'Souza
SU-FF-T-115 Magnitude of Dose Optimization with 2-Field Left Breast IMRT - C. Shang*, R. Benda, R. Girouard
SU-FF-T-116 Multicriteria IMRT Planning with Equivalent Uniform Dose (EUD) Objectives: Tumor Dose Homogeneity Vs. Critical Structure Sparing - D. Craft*, T. Bortfeld, T. Halabi, B. Martin, M. Uhrig
SU-FF-T-117 On Probabilistic Treatment Planning: A Novel Concept for Including Organ Motion Into IMRT Optimization - J. Unkelbach*, D. Maleike, U. Oelfke
SU-FF-T-118 On the Relationship Between Risk Management and IMRT Treatment Plan Optimization - H. Romeijn*, J. Dempsey
SU-FF-T-119 Optimization of Basis Function Sets to Represent IMRT Intensity Patterns in Inverse Planning - M. Matuszak*, E. Larsen, D. McShan, B. Fraass
SU-FF-T-120 Optimization of Energy in Inverse Planning Process - C. Sévigny*, L. Beaulieu
SU-FF-T-121 Optimizing IMRT Plans with Geometric Uncertainty - B. Martin*, T. Bortfeld, A. Trofimov, D. Craft
SU-FF-T-122 Progressive Articulation of Radiotherapy Planning Goals Based On Soft-Constraints - K. Jee*, D. McShan, B. Fraass
SU-FF-T-123 Robust Optimization Including Effects of Systematic Treatment Errors - E. Lee*, T. Bortfeld, J. Deasy
SU-FF-T-124 Time-Resolved Aperture Modulated Radiation Therapy - C. Wang*, Y. Yang, L. Xing
SU-FF-T-125 Use of Modified Fourier Series for Radiotherapy Optimization - H. Garnica-Garza*
SU-FF-T-126 3D Gel Dosimetry of IMSRT Using Normoxic MAGAT Polymer Gel - A. Beiki-Ardakani*, M. Heydarian, A. Kirilova, A. Vitkin, D. Jaffray
SU-FF-T-127 A Monte Carlo-Based IMRT Plan Re-Calculator - K. Zakarian*, J. Alaly, D. Low, R. Wood, L. Zhang, J. Deasy
SU-FF-T-128 A Practical Method for a Community Radiation Therapy Center to Evaluate the Quality of a Prostate IMRT Program - D. Lasher*, J. Wojcicka, R. Malcom
SU-FF-T-129 A Practical Monte Carlo MU Verification Tool for IMRT Quality Assurance - J. Fan*, J. Li, L. Chen, W. Xiong, S. Stathakis, W. Luo, F. du Plessis, C. Ma
SU-FF-T-130 A Routine QA Procedure for the Varian Millennium MLC Used for Step and Shoot IMRT - D. Rothley*, G. Poteat, L. Brown, S. Sherfinski-Obert
SU-FF-T-131 An Analytic Approach to Film Based Absolute Dosimetry for IMRT - C. Shi*, N. Papanikolaou, Y. Yan, X. Weng
SU-FF-T-132 An Investigation of the Accuracy of Film Dosimetry Using EDR2 Film for the Point Dose Determination for IMRT-QA - M. Yu*, D. Gladstone, E. Hug
SU-FF-T-133 Analysis of the Correlation Between MLC File Parameters and IMRT QA - M. Kirk*, J. Chu, Y. Zhang
SU-FF-T-134 Automated Quality Assurance Using Treatment Delivery Sinograms - C. Ramsey*, S. Mahan
SU-FF-T-135 Complex IMRT Plan Verification Using a Commercial MU Calculation Package - T. Zhang*, B. Norrlinger, R. Heaton, M. Islam
SU-FF-T-136 Correlation Between IMRT Plan and Delivery Quality for 9 Treatment Planning Systems - A. Olch*, K. Chopra, Z. Jiang, R. Mitra, B. Hasson, S. Chang, C. Cheng, I. Das
SU-FF-T-137 Development of a Software Tool for Generating Predicted Dose Images From Pinnacle Dose Maps for the Purpose of IMRT Quality Assurance Using PortalVision - B. Norrlinger*, J. Smale, R. Heaton, M. Islam
SU-FF-T-138 Dose Variation On the Simultaneous Irradiation of Head and Neck (H&N) Cancer and Supraclavicular Nodal Fields with Step-And-Shoot IMRT - C. Cheng*, K. Chopra, I. Das
SU-FF-T-139 Dosimetric Effect of Jaws for Small MLC Fields in 6 and 15 MV Photon Beam - J. Chow*, M. Seguin, A. Alexander
SU-FF-T-140 Dosimetric IMRT Plan Verification and Daily Quality Assurance with a Two-Dimensional Ionization Chamber Array - B. Poppe*, A. Blechschmidt, A. Djouguela, R. Kollhoff, A. Rubach, D. Harder, E. Schuele
SU-FF-T-141 Effects of Lung Inhomogeneity for An Intensity Modulated Field - Y. Watanabe*, S. Bull
SU-FF-T-142 Error Analysis of An Independent MU Calculation Program for IMRT Fields - T. Zhu*, J. Finlay, A. Dimofte
SU-FF-T-143 Evaluation of the Lung Dose Calculation Accuracy for An IMRT Planning System - k. Aljarrah*, S. Flampouri, C. Pope, S. Jiang
SU-FF-T-144 Feasibility of a Novel Gafchromic Film for Routine IMRT QA - A. Kapulsky*, J. Hanley
SU-FF-T-145 Finding the Optimal Digitizer for Use with Gafchromic EBT Film - J. Baker*, L. Reinstein, G. Gluckman
SU-FF-T-146 How Monthly QA Affect the IMRT QA Result - S. Grimm*, F. Zhou, J. Grimm, A. Baker
SU-FF-T-147 Improved Calibration Method of EDR Films for IMRT-QA - H. Mota*, C. Sibata, S. Sasidharan, K. White, M. Wolfe, T. Jenkins, R. Patel, R. Allison
SU-FF-T-148 IMRT Head and Neck Phantom Irradiations: Correlation of Results with Institution Size - A. Molineu*, N. Hernandez, P. Alvarez, D. Followill, G. Ibbott
SU-FF-T-149 IMRT Pre-Treatment Verification with Ionization Chamber, Film and EPID: Quality Vs. Time Consumption - M. Starmans, A. Dekker*, S. Nijsten, A. Minken, P. Lambin
SU-FF-T-150 In Vivo Diode Dosimetry for Helical Tomotherapy Dose Verification - S. Hui*, P. Alaei, P. Higgins, B. Gerbi
SU-FF-T-151 In-Vivo Diode Dosimetry for IMRT Treatment Dose Verification - S. Tong*, T. Li, D. Grant, S. Lei, T. Mazzilli, D. Papadopoulos, K. Chu
SU-FF-T-152 Independent Dosimetric Validation of Novalis IMRT and Dynamic Conformal Plans Using PHILIPS Pinnacle3Treatment Planning System - R. Nehru*, r. foster, P. Sourivong, K. Ayyangar, S. Li, S. Pillai, D. Djajaputra, A. Fung, R. Thompson, C. Enke
SU-FF-T-153 Influence of Ionization Chamber Size for Intensity Modulation Treatment Planning Modeling - C. Venencia*, F. Somarriba, P. Besa
SU-FF-T-154 Long-Term Reproducibility of IMRT Planning and Dosimetry Using Clinical Fields - S. Lim*, T. LoSasso, M. Hunt, J. Mechalakos, C. Chui
SU-FF-T-155 Monte Carlo Dosimetric Verification for IMRT QA Using MLC Log Files and EPID - W. Luo*, J. Li, E. Fourkal, J. Fan, J. Yang, R. Price, C. Ma
SU-FF-T-156 Multi-Institutional Retrospective Analysis of IMRT QA Measurements - M. Sontag*, X. Chen, L. Qin, F. Ottino, H. Chen, F. Li, A. Loper, K. Komanduri, R. Lalonde, N. Yue, D. Heron, M. Huq
SU-FF-T-157 Optimal Matching of 3D Film Dosimetry with Calculated Dose for IMRT Quality Assurance - S. Park*, D. Shin, S. Lee, J. Kim, D. Kim, T. Kim, K. Cho
SU-FF-T-158 Optimized Sampling Pattern for Step and Shoot IMRT QA with a Diode Array - D. Letourneau*, D. Yan, H. Keller, D. Jaffray
SU-FF-T-159 Patient Quality Assurance Analysis for Tomotherapy - N. Papanikolaou*, C. Shi, Y. Yan, X. Weng
SU-FF-T-160 Patient Specific QA for Prostate and H&N IMRT Using MapCheck - C. Luo*, C. Yang, C. Wu, R. Stern, J. Perks, J. Purdy
SU-FF-T-161 Practical Gap-Width Threshold for MLC Quality Assurance for IMRT - P. Desai*, J. Burmeister, P. McDermott
SU-FF-T-162 Quality Assurance for a Tomotherapy Machine: New Procedures and Comparison to TG-40 Recommendations for Conventional Linear Accelerators - P. Jursinic*
SU-FF-T-163 Quantitative Verification of IMRT Intensity Maps Using An Amorphous Silicon Electronic Portal Imager - B. Yao*, W. Peng, L. Santanam, F. Van den Heuvel, J. Burmeister
SU-FF-T-164 Radiochromic EBT Film Characterization and Applicability for IMRT QA Verification - L. Ding*, M. Urie, Y. Lo
SU-FF-T-165 Replacement of Film and Ion Chamber Measurements by Electronic Portal Dosimetry for IMRT QA - C. Beltran*, M. Herman
SU-FF-T-166 Reproducibility Of A Method For The Quanitative Assessment Of The Agreement Between Planned And Measured Dose Distributions - M. Witten*, C. Wuu
SU-FF-T-167 Systematic Approach for Predicting DMLC Motor Failure: A Prognostic Strategy - Y. Song*, M. Chan, C. Burman
SU-FF-T-168 The Evaluation of Several Commercial IMRT Treatment Planning Systems Heterogeneity Dose Calculation Algorithms Using An Anthropomorphic Thorax Phantom - S. Davidson*, D. Followill, G. Ibbott, K. Prado
SU-FF-T-169 The Use of Diode in In-Vivo Dosimetry Quality Assurance in IMRT - H. Kim*, Z. Wang, R. Lalonde, M. Sontag, H. Chen, F. Li, R. Smith, M. Huq, D. Heron, N. Yue
SU-FF-T-170 Tomotherapy Daily Quality Assurance Phantom - H. Jaradat*, B. Paliwal, M. Mehta
SU-FF-T-171 TomoTherapy HI-ART Heterogeneity Calculations - J. McGary*
SU-FF-T-172 Verification of Whole-Body Dosimetry in An IMRT Treatment Planning System - C. Wuu*, C. Elliston, Y. Xu, D. Brenner
SU-FF-T-173 A Comparison of Techniques for Effective SSD Measurements and Evaluation of Data for Accelerators From Different Manufactures - D. Xu*, Y. Xiao, O. Nawaz, J. Galvin
SU-FF-T-174 A New Device for the Verification of Temporal Function of the 4DCT and Gating Delivery System - H. Chen*, E. Brandner, A. Wu, K. Komanduri, Z. Shou
SU-FF-T-175 A New Linac QA Procedure for the Characterization of Gantry Radiation Isocenter - F. Rosca*, P. Zygmanski, F. Lorenz, F. Hacker, L. Chin, S. Friesen, J. Petsuksiri, L. Shanmugham, N. Ramakrishna
SU-FF-T-176 A Shielding Design for a High-Energy Doorless Accelerator Vault - T. Bichay*, J. Meadows, C. Chen
SU-FF-T-177 A Study On Output Factors for Gamma Knife Model B2 Unit with Various Dosimeters - K. Yeh*, H. Hsieh, C. Chen, K. Huang, J. Chiou, Y. Hsu, H. Tu, C. Huang, C. Su, Y. Huang
SU-FF-T-178 A Study On the Reproducibility of Tangential Breast Fields Using Online Electronic Portal Images - R. Prabhakar, T. Ganesh*, R. Joshi, P. Julka, G. Rath, G. Pant
SU-FF-T-179 Accuracy of CT Numbers and Its Effect On Dose Calculations - R. Wu*, L. Dong, S. Tung, M. Gillin
SU-FF-T-180 An Experimental Comparison of Whole-Body Photon Doses for IMRT and 3D-CRT - X. Xu*, B. Wang
SU-FF-T-181 An Investigation of Surface Dose Changes for Therapeutic Kilovoltage X-Ray Beams with Underlying Lead Shielding - R. Hill*, B. Healy, L. Jones, C. Baldock
SU-FF-T-182 Analysis of Systematic Uncertainty in Vivo Dosimetry Using Diodes - P. Yu*, T. Chao, C. Lee, C. Wu, C. Tung
SU-FF-T-183 Application of a Gantry-Mounted Diode Array System for QA Dosimetry of High-Energy Photon Beams - M. Ahmad*, Z. Chen, H. Song, M. Lund, J. Deng, R. Nath
SU-FF-T-184 Automated Dose Determination On the Midsagittal Plane Based On Skin Measurements During TBI - M. Zaini*, D. Loshek, W. Olds
SU-FF-T-185 Commissioning of a Mobetron Electron Linear Accelerator - J. Woollard*, M. Gao, N. Samsami, C. Kanellitsas, N. Gupta
SU-FF-T-186 Commissioning of Tissue Inhomogeneity Correction of Eclipse Radiation Treatment Planning System Using a Lung Phantom - S. Yoo*, F. Yin, M. Ajlouni, B. Movsas
SU-FF-T-187 Comprehensive Empirical Formulation for Treatment Planning of Small Clinical Electron Fields - I. Khan*, H. Malhotra, M. Bobeica, J. Avadhani, M. Podgorsak
SU-FF-T-188 Correlation Between in Vivo Electron Diodes Response and Nominal Surface Dose for Broad Electron Beams - T. Li*, S. Tong, M. Su, D. Grant, C. Torres, T. Kim, K. Chu
SU-FF-T-189 Custom-Made Ion Chamber for Daily QA in RT - Y. Park*, S. Huh, S. Ha, W. Cho
SU-FF-T-190 Daily Quality Assurance (QA) Procedure of On-Board Imager (OBI) - R. Hammoud*, H. Guan, F. Yin, D. Pradhan, B. Movsas
SU-FF-T-191 Design and Construction of a Realistic Pelvic Phantom for a Level III Dosimetry Study - M. Ebert*, K. Harrison, D. Cornes, J. Denham, S. Howlett
SU-FF-T-192 Determination of Skin Dose for Hypo-Fractionated Breast Treatment Using Mixed Photon and Electron Beams - S. Stathakis*, J. Li, K. Paskalev, J. Yang, L. Wang, C. Ma
SU-FF-T-193 Dosimetric Responses at Different Gantry and Collimator Angles in Dynamic MLC Beam Delivery - Z. Shou*, Z. Zheng, K. Komanduri, D. Heron, M. Huq, N. Yue
SU-FF-T-194 Evaluation of a Commercial Diode Array (Tomodose) for Tomotherapy Beam Profile Measurements - T. Wagner*, K. Langen, D. Poole, S. Meeks, T. Willoughby, K. Ruchala, G. Olivera
SU-FF-T-195 Evaluation of Film Calibration Procedures for Quality Assurance of Helical Tomotherapy Treatments - J. James*, I. Nelson, T. Mackie
SU-FF-T-196 Evaluation of the Dose Within the Abutment Region Between Tangential and Supraclavicular Fields for Various Breast Irradiation Techniques - K. Homann*, B. Gates, M. Salehpour, D. Followill, S. Kirsner, T. Buchholz, R. White, K. Prado
SU-FF-T-197 Filmless Radiation Isocentre Localisation Using An Electronic Portal Imaging Device - R. Heaton*, B. Norrlinger, J. Smale, M. Islam
SU-FF-T-198 Head-Scatter Off-Axis for MLC Shaped Fields - G. Lazarescu*, T. Zhu
SU-FF-T-199 Heterogeneity Effects in Small-Field Macular Irradiation - S. Chern*, D. Leavitt, F. Gibbs, G. Waterman
SU-FF-T-201 Implementation Of EPID Based Quality Assurance Procedures For Radiation And Optical Fields - J. Smale*, B. Norrlinger, M. van Prooijen, A. Rink, R. Heaton, M. Islam
SU-FF-T-202 In Vivo Dosimetry Using Diodes Detector for External Photon Treatments of Head and Neck Cancers - P. Yu*, C. Lee, T. Chao, C. Wu, C. Tung
SU-FF-T-203 In Vivo Dosimetry Using Disposable MOSFET Dosimeters for Total Body Irradiation - T. Briere, R. Tailor*, N. Tolani, K. Prado, R. Lane, S. Woo, C. Ha, M. Gillin, A. Beddar
SU-FF-T-204 In Vivo Force-Torque Measurement During Prostate Brachytherapy - D. Fuller, D. Clark, T. Podder*, E. Messing, D. Rubens, J. Strang, J. Sherman, W. Ng, R. Brasacchio, Y. Yu
SU-FF-T-205 Ionization to Dose for Electron Beams: A Comparison of Three Approaches - J. Antolak*
SU-FF-T-206 Laser Rangefinder for Automatic SSD Measurement and Inter-Fraction Patient Movement Monitoring - C. Bonnerup*, C. Sibata, R. Allison
SU-FF-T-207 Linac QA Using a Computed Radiography System - Y. Cai*, J. Chu, D. Bernard, Z. Hu
SU-FF-T-208 Modeling the Headscatter Off-Axis in Megavoltage Photon Beams - J. Finlay*, J. Li, T. Zhu
SU-FF-T-209 New Polymer Gel Dosimeter with High Refractive Index for Artifact-Free Optical CT Scanning - M. Maryanski*
SU-FF-T-210 Performance Evaluation and Quality Assurance of Enhanced Dynamic Wedges - P. Alaei*, P. Higgins
SU-FF-T-211 Pixel-Based Dead Time Correction for AS500 EPID IMRT Dosimetry - M. Lin*, C. Lee, T. Chao, C. Tung
SU-FF-T-212 Quality Assurance (QA) Procedure of On-Board Imager (OBI) for Portal Imaging - S. Yoo*, R. Hammoud, F. Yin, H. Guan, D. Pradhan, B. Movsas
SU-FF-T-213 Quality Assurance for the Siemens Multileaf Collimator: A Procedural Review - G. Vadivelu*, S. Jacob, K. Ayyangar
SU-FF-T-214 Quality Assurance Of Modern Helical CT-Simulator Scanners: Reproducibility Of Tissue Heterogeneity Curve - R. Surgent*, C. Saw, L. Tao, K. Komanduri
SU-FF-T-215 Radiation Leakage From the Electron Applicators in the Varian 21 EX Linear Accelerator - J. Chow*, G. Grigorov
SU-FF-T-216 Radiation Shielding for Helical Tomotherapy - A. Zacarias*, M. Mills
SU-FF-T-217 Reference Electron Beam Dosimetry Data Set: A Preliminary Analysis - J. BenComo*, R. Weathers, M. Stovall, G. Ibbott
SU-FF-T-218 Skin Dose Due to a Supporting Pad in Prone Breast Treatments - S. Becker*, R. Jeraj, T. Mackie
SU-FF-T-219 Stability of the Xoft AXXENT™ X-Ray Source During Irradiation in a Goat Mammary Model for APBI - J. Rieke*, M. Rivard, S. Axelrod, R. Burnside, E. Chell, S. Hansen, T. Rusch, D. Stewart
SU-FF-T-220 Standardizing Standards: The Development of Quality Control Criteria for Canadian Radiation Therapy Equipment - P. Dunscombe*, C. Arsenault, G. Mawko, J. Bissonnette, H. Johnson, J. Seuntjens
SU-FF-T-221 Surface Dose Determination with An Interpolation-Extrapolation Method Using EDR2 Films - X. Chen*, N. Yue, C. Saw, D. Heron, D. Stefanik, R. Antemann, M. Huq
SU-FF-T-222 The Analysis of Confounding Factors in Volume Reconstruction of 3DCRT with Spiral Mode CT Simulation - J. Wu*
SU-FF-T-223 The Effect of Miniphantom Material On Output Ratio In-Air - J. Li*, T. Zhu
SU-FF-T-224 The Use of Computed Radiography in Radiotherapy - B. Murray*, M. MacKenzie, A. Syme
SU-FF-T-225 Utilization of Thebes II Linear Ion-Chamber Array to Calculate Wedge Angle Using a Single Exposure - B. Aryal*, K. Adhikary, M. Khadija, C. Lee, D. Schifter, J. Feldmeier, E. Parsai
SU-FF-T-226 A Dosimetric Evaluation of a New MOSFET Radiation Dosimeter for Total Body Irradiation - N. Detorie*, T. Solberg, A. Li, S. Sorensen
SU-FF-T-227 A Frequency-Domain Approach for Addressing Heat-Transport Problems in Room-Temperature Water Calorimeters - H. Chen-Mayer, R. Tosh*
SU-FF-T-228 A Integrated Approach to Improve Accuracy of Film Dosimetry in TPS Verification - Y. Chen*, S. Bao, G. Zhu
SU-FF-T-229 A Test of the 3D Scintillation Dosimetry Method for a Ru-106 Eye Plaque Applicator - A. Kirov*, J. Piao, N. Mathur, T. Miller, S. Devic, S. Trichter, M. Zaider, T. LoSasso, C. Soares
SU-FF-T-230 Anomaly Characteristics Of Tissue Heterogeneity Curve From Three Commercially Available Tissue Characterization CT Phantoms - C. Saw*, R. Surgent, L. Tao, K. Komanduri
SU-FF-T-231 Characterization and Real-Time Optical Measurements of the Ionizing Radiation Dose Response for a New Radiochromic Medium - A. Rink*, A. Vitkin, D. Jaffray
SU-FF-T-232 CHARACTERIZATION AND USE OF MOSFET AS IN VIVO DOSIMETERS UNDER 192Ir IRRADIATION FOR REAL-TIME QUALITY ASSURANCE - C. Tremblay, L. Gingras, L. Archambault, M. Chrétien, A. Martin, R. Roy, L. Beaulieu*
SU-FF-T-233 Clinical Implementation of An In-Vivo Dosimetry System in Conjunction with the RadCalc™ Program - V. Sehgal, B. He, M. Al-Ghazi*
SU-FF-T-234 Detailed Characterization of the Water-Equivalent Material Virtual Water in High-Energy Photon and Electron Beams - M. McEwen*
SU-FF-T-235 Detective Quantum Efficiency Analysis of An Electronic Portal Imaging Device - H. Li, S. Goddu, J. Esthappan, S. Mutic, X. Rong*
SU-FF-T-236 Dose Response of Ion Exchange Resin Beads - J. Bauhs*, B. Hammer, P. Higgins
SU-FF-T-237 Dosimetric Evaluation of GAFCHROMIC® XR Type T and XR Type R Films - S. Dini*, R. Koona, J. Ashburn, A. Meigooni
SU-FF-T-238 Dosimetry of Small Beams Used in Radiosurgery: A Comparison Between Different Detectors and Monte Carlo Simulation - P. Francescon*, C. Cavedon, S. Cora, J. Stancanello, P. Scalchi, M. Avanzo
SU-FF-T-239 Enhanced Performance of PRESAGE - Sensitivity, and Post- Irradiation Stability - J. Adamovics*, J. Dietrich, K. Jordan
SU-FF-T-240 Evaluation of a New Calibration Method for In-Vivo Diodes with Sliding Window IMRT Delivery - T. Li*, S. Tong, E. Tapen, E. Farhangi, K. Chu
SU-FF-T-241 Evaluation of EBT GafChromic Film for External Beam Dose Verification - M. Todorovic*, M. Fischer, F. Cremers, R. Schmidt
SU-FF-T-242 Evaluation of Implantable MOSFET Dosimeters for Conventional and Intraoperative Radiation Therapy - A. Beddar*, T. Briere, S. Krishnan, M. Delclos, C. Crane, M. Rodriguez-Bigas, J. Skibber, M. Gillin
SU-FF-T-243 Evaluation of MicroMOSFET Dosimeter For Low Dose Measurement of I-125 Seed - S. Chiu-Tsao*, S. Dery, A. Hallil, L. Harrison
SU-FF-T-244 Investigation of Anomalous Recombination Behaviour in Cylindrical Ionization Chambers - M. Lalonde, J. McCaffrey*, M. McEwen
SU-FF-T-245 Microdosimetry Using Special Type PAG Dosimeter With 4.7 Tesla Small MRI Scanner - M. Geso*, C. Wong
SU-FF-T-246 Novel ZnO Nanotips: Potential Nanomaterials for New Generation of Radiation Detectors - Y. Song*, M. Chan, C. Burman, H. Chen, G. Saraf, J. Zhong, Y. Lu
SU-FF-T-247 Performance of Two Commercial MOSFET Systems at Low Doses in and Out of Field - J. Lehmann*, R. Stern, Z. Goldberg
SU-FF-T-248 Perturbation Factors for the Plane-Parallel NACP02 Ionisation Chamber in Electron Beams - R. Zakhikani*, J. Seuntjens, A. DuSautoy, D. Shipley, G. Bostock, F. Verhaegen
SU-FF-T-249 Small Electron Field Cutout Output Factors Measured Using a 2D Ion Chamber Array Compared to Radiographic Film - M. Su*, T. Li, S. Tong, D. Grant, E. Farhangi, E. Tapen, K. Chu
SU-FF-T-250 Small Field Dosimetry Using a Series of Customized Exradin T11 Prototype Ion Chambers: Under-Response Due to Electron Fluence Perturbations - A. McNiven*, M. Mulligan, T. Kron, J. Battista
SU-FF-T-251 Small Volume Dosimetry with Multiple Scintillation Probes - L. Archambault*, L. Gingras, A. Beddar, R. Roy, L. Beaulieu
SU-FF-T-252 Spatial Dose Distributions in Solid Tumors From 186Re Transported by Liposomes Using HS Radiochromic Media - L. Medina, M. Brandan, A. Martinez-Davalos, R. Mercedes*, A. Bao, B. Goins
SU-FF-T-253 Surface and Implanted Dosimeters: From a Phantom to Patients - R. Black*, S. Widener, G. Mann
SU-FF-T-254 The Development and Testing of a Prototype Three-Dimensional Wedge for Whole Brain Radiation Therapy - P. Keall*, S. Shamas, N. Arief, F. Lerma, S. Castle
SU-FF-T-255 The Dosimetric Characterization of the Performance of the One Dose MOSFET Dosimeter in the Buildup Region of a 6 MV Photon Beam - K. Fallon*, G. Bednarz, J. Galvin
SU-FF-T-256 The Effects of Pre-Irradiation On Ionization Chambers Used in Radiation Therapy - J. McCaffrey*, B. Downton, H. Shen, D. Niven, M. McEwen
SU-FF-T-257 The Study of the Dosimetric Properties of ‘RadGel’, a New Dosimeter for Three-Dimensional Gel Dosimetry - P. Guo*, A. Appleby, M. Oldham
SU-FF-T-258 Two-Dimensional (2D) Ion Chamber Array for Radiation Dose Verification Including IMRT - S. Szeglin*, I. Das, K. Chopra, E. Schuele, R. Barker
SU-FF-T-259 Use of Radiochromic Films for I-125 Seed Dosimetry In Solid Water - S. Chiu-Tsao*, Y. Ho, D. Shasha, L. Harrison
SU-FF-T-260 A Higher Accuracy Electron Beam Model Based On Large Field Measurements - B. Faddegon*
SU-FF-T-261 A Monte Carlo Model to Simulate Single and Double Strand Breaks in DNA Molecules - B. Aydogan*, W. Bolch, S. Swarts, J. Turner, D. Marshall
SU-FF-T-262 Advanced Irradiator for the Small Animal Conformal Treatment - M. Vicic*, S. Stojadinovic, D. Low
SU-FF-T-263 Application of a Heterogeneous Coarse-Mesh Transport Method to a Radiation Therapy Benchmark Problem - M. Satterfield*, B. Forget, F. Rahnema, T. Fox, C. Wang
SU-FF-T-264 Clinical Impact of Seed Density and Prostate Elemental Composition On Permanent Seed Implant Dosimetry - J. Carrier*, F. Therriault-Proulx, R. Roy, L. Beaulieu
SU-FF-T-265 Comparison of Absorbed Dose-To-Medium and Absorbed-Dose-To-Water for (head and Neck and Prostate) IMRT Treatment Plans - N. Dogan*, J. Siebers, P. Keall
SU-FF-T-266 Comparison of the Measured Dose with the Dose Calculated with Superposition/convolution and Monte Carlo Algorithms From the Same Fluence Map for IMRT Fields - S. Spirydovich*, L. Papiez, V. Thai, M. Langer
SU-FF-T-267 Correlation of Electron Beam Parameters with Measured Dose Ratios in Clinical Photon Beams - J. Deng*, Z. Chen, H. Song, R. Nath
SU-FF-T-268 Design Characteristics of a MLC for Proton Therapy - S. Avery*, D. Goulart, R. Maughan, J. McDonough
SU-FF-T-269 Dosimetric Properties of Scattered Photon Subsources Within a Source Model for Different Initial Electron Energies - M. Fix*, P. Keall, J. Siebers
SU-FF-T-270 Improving Simulation Efficiency of MLCs for Monte Carlo Based Dose Calculation of IMRT - S. Jang*, H. Liu, O. Vassiliev, R. Mohan
SU-FF-T-271 Influence of Initial Pencil Beam Parameters On Large Non-Applicator Electron Field Profiles Calculated Using Monte Carlo Methods - R. Weinberg*, J. Antolak, K. Hogstrom, G. Starkschall, R. Kudchadker, R. Mohan
SU-FF-T-272 Low-Energy Photon Dose Calculations Using Various MCNP Photon Databases: Dose Comparison Between MCNP, PENELOPE, and EGSnrc - S. Ye*, S. Naqvi
SU-FF-T-273 Monte Carlo Calculation of Absorbed Dose to Structures in Central Nervous System From Intrathecally Administered Yttrium-90 - P. Stevens*, A. Movahed, S. Ahmad, M. Hall, G. Mardirossian
SU-FF-T-274 Monte Carlo Simulation of Radiation Induced Currents in Parallel Plate Ionization Chambers - W. Abdel-Rahman*, J. Seuntjens, F. Verhaegen, E. Podgorsak
SU-FF-T-275 Octree Based Compression Method of DICOM Images for Voxel Number Reduction and Faster Monte Carlo Simulations - V. Hubert-Tremblay*, L. Archambault, L. Beaulieu, R. Roy
SU-FF-T-276 SIRIT: An Electron-Gamma Shower Code with a New Structure - E. Almasi*, J. Almassy
SU-FF-T-277 The Development and Implementation of a New Variance Reduction Technique in Monte Carlo Code PEREGRINE - F. Ma*, R. Pino, S. Zasadil, D. Sheikh-Bagheri, P. Nizin
SU-FF-T-278 The Dose Discrepancies Between Monte Carlo Calculations and Measurements in the Build-Up Region for High-Energy Photon Beams - Y. Fu*, S. Li, K. Ayyangar, C. Enke
SU-FF-T-279 The Validation of a Highly Detailed Multi Leaf Collimator Model by Comparing Monte Carlo Simulations to Measurements - F. Poenisch*, U. Titt, O. Vassiliev, S. Kry, M. Gillin, R. Mohan
SU-FF-T-280 Verification of Monte Carlo Simulations of Proton Dose Distributions in Biological Media - H. Szymanowski*, S. Nill, U. Oelfke
SU-FF-T-281 Accuracy of a Commercial Macro Monte Carlo Dose Calculation Algorithm for Determination of In-Water Output Factors of Clinical Electron Field Shapes - R. Popple*, I. Brezovich, P. Pareek, J. Duan, S. Shen, S. Ye
SU-FF-T-282 Beam Modifier Design for Total Skin Electron Irradiations Using Monte Carlo Techniques - S. Ye*, I. Brezovich, P. Pareek, J. Duan, S. Spencer
SU-FF-T-283 Benchmarking of An Event-By-Event Monte Carlo Code, NOREC: Generation of Scaled Point Kernels in Water for Mono-Energetic Electrons Between 10 KeV and 1 MeV - S. Cho*, O. Vassiliev, J. Horton, V. Semenenko
SU-FF-T-284 Characterising An Electron Pencil Beam: Monte Carlo Vs Measurement - M. Ebert*, M. Barnes
SU-FF-T-285 Dose Property of Grid Therapy - H. Zhang*, E. Johnson, R. Zwicker
SU-FF-T-286 Dosimetric Evaluation of the PEREGRINE IMRT MC Treatment Planning System at 6 MV for Small Fields in Heterogeneous Media - D. Sheikh-Bagheri*, C. Cocheci, E. Heath, J. Seuntjens
SU-FF-T-287 Effect of Tissue Inhomogeneitis On MU Required to Deliver Prescribed Dose - Monte Carlo Study - J. Cygler*, T. Berrang, B. Esche, P. Shokrani, C. Lochrin, L. Grimard
SU-FF-T-288 Evaluation of a Commercial Macro Monte Carlo Electron Dose Calculation Algorithm - R. Popple*, R. Weinberg, J. Antolak, I. Brezovich, J. Duan, P. Pareek
SU-FF-T-289 Healing Well: A New Concept for Radiation Therapy of Breast Cancer - X. Li*, J. White, J. Wilson
SU-FF-T-290 Impact of MLC Modeling and Sensitivity of Its Parameters On Monte Carlo Simulation of IMRT - S. Jang*, H. Liu, O. Vassiliev, R. Mohan
SU-FF-T-291 Monte Carlo Calculation of Rectal Dose When Using An Endorectal Balloon During Prostate Radiation Therapy - J. Song*, L. Court, R. Cormack
SU-FF-T-292 Monte Carlo Evaluation of Cerrobend Eye Shield in Electron Beam Treatment - Y. Zhang*, J. Chu, D. Bernard, Z. Hu, R. Abrams
SU-FF-T-293 Monte Carlo Modeling of the Xoft AXXENT™ X-Ray Source - T. Rusch*, T. Bohm, M. Rivard
SU-FF-T-294 Monte Carlo Simulations of the Dosimetric Characteristics of a New Multileaf Collimator - M. Tacke*, H. Szymanowski, C. Schulze, S. Nuss, E. Wehrwein, S. Leidenberger, U. Oelfke
SU-FF-T-295 Monte Carlo Treatment Planning: The Influence of “variance Reduction” Techniques (ECUT, PCUT, ESTEP) On the Accuracy and Speed of Dose Calculations - I. Chetty*
SU-FF-T-296 Parameterizing the Phantom Scatter Components for Polyenergetic Photon Beams - J. Finlay*, T. Zhu
SU-FF-T-297 Systematic Uncertainties in a Commercial Monte Carlo Electron Treatment Planning Algorithm - J. Antolak*, J. Kruse
SU-FF-T-298 The Effects of Scattering Foil Parameters On Monte Carlo Calculations of the Initial Phase-Space Data for a Clinical Electron Beam - R. Sheu*, C. Chui, T. LoSasso, S. Lim, A. Kirov
SU-FF-T-299 Validation of a Monte Carlo Algorithm for Simulation of Dispersion Due to Scattering of a Monoenergetic Proton Beam - D. Goulart*, S. Avery, R. Maughan, J. McDonough
SU-FF-T-300 A Comparison of Physical and Virtual Wedges: Measurement of Collimator Scatter with a Miniphantom - G. Vadivelu*, S. Jacob
SU-FF-T-301 A Practical Method Evaluating the Effectiveness of the Existing Vault Shielding for IMRT - J. Gresick-Schugsta*, J. Wojcicka, J. Nace
SU-FF-T-302 A Secure Web-Based, Real-Time System for Peer-Review, Quality Assurance and Clinical Outcome Studies in Radiation Therapy - D. Yeung*, V. Frouhar, C. Morris, D. Dillard, C. Liu, J. Palta
SU-FF-T-303 Characteristics of Induced Activity From Medical Linear Accelerators - Y. Wang*, M. Evans, E. Podgorsak
SU-FF-T-304 Characteristics of Neutron Equivalent Dose Around Medical Linear Accelerators - Y. Wang*, M. Evans, E. Podgorsak
SU-FF-T-305 Comparative Workloads for Four Multi-Modality Linacs in Two Facilities - G. Glasgow*, Y. Ke
SU-FF-T-306 Credentialing Requirements for NSABP B-39 / RTOG 0413 - J. Lowenstein*, J. Roll, C. Davis, P. Holguin, H. Duong, D. Followill, G. Ibbott
SU-FF-T-307 Determination of Optical Properties in Semi-Infinite Media - A. Dimofte*, T. Zhu, J. Finlay, A. Hsi
SU-FF-T-308 Determination of Output, Percentage Depth Dose (PDD) and Effective Source to Skin Distance (SSDeff) for Irregular Electron Fields - F. Somarriba, C. Venencia*, P. Besa
SU-FF-T-309 Dosimetric Study of Grid Therapy Using a Multileaf Collimator - J. Ha*, G. Zhang, S. Naqvi, W. Regine, C. Yu
SU-FF-T-310 DVH Analysis: Consequences for Quality Assurance of Multi-Institutional Clnical Trials - W. Straube*, J. Matthews, W. Bosch, J. Purdy
SU-FF-T-311 Exposure of An Ultrasound System for Prostate Localization to Neutrons - P. Biggs*
SU-FF-T-312 Feasbility Study of Orthogonal Bremsstrahlung Beams for Improved Radiation Therapy Imaging - K. Jabbari*, E. Podgorsak, J. Seuntjens
SU-FF-T-313 Impact On Tumor Dose Coverage Due to the Second Buildup for Lung Tumour Treatment Using An 18 MV Photon Beam - G. Ding*, D. Duggan, C. Coffey
SU-FF-T-314 Initial Monte Carlo Analysis of the Dosimetric Effects of Gold Nanoparticle Radiosensitizers - J. Monroe*, J. Hainfeld, J. Sohn, B. Wessels
SU-FF-T-315 Measurement of the Leakage From Linear Accelerators in the Backward Direction for 4, 6, 10, 15 and 18 MV X-Rays - A. Jaradat, P. Biggs*
SU-FF-T-316 Modifications to the “three-Source Model” for the Calculation of Head Scatter Factors for Small Field Sizes - K. Ayyangar*, D. Djajaputra, R. Nehru, P. Sourivong, Y. Fu, C. Enke
SU-FF-T-317 Options for SURLAS Design Modification Due to the Impact of Ultrasound Nonlinear Propagation - E. Moros*, P. Novak, W. Straube
SU-FF-T-318 Peripheral Doses From Pediatric IMRT - E. Klein*, R. Wood, B. Pierburg, S. Goddu, D. Mansur
SU-FF-T-319 Reconstructing Dose Distributions From Portal Images with a Backprojection Dosimetric Algorithm - W. Fu*, J. Dai, Y. Hu, Y. Song
SU-FF-T-320 Simple Acoustic Beam Model for Thermoradiotherapy Implemented in An Open Source Treatment Planning Research System - K. Zakarian*, J. Alaly, P. Novak, J. Deasy, E. Moros
SU-FF-T-321 Spatial and Contrast Resolution of a New Electronic Portal Imaging Device - J. Kruse*, M. Herman
SU-FF-T-322 Statistical Analysis of Failures of a Medical Linear Accelerator Over Ten Years - S. Ju*, S. Huh, Y. Han, J. Seo, W. Kim, T. Kim, E. Shin, J. Park, I. Yeo, D. Choi, Y. Ahn, W. Park, D. Lim, Y. Park
SU-FF-T-323 Sub-Millimter Image Based Radiotherapy Treatment System for Small Animals - Y. Lin*, C. Lee, T. Chao, Y. Peng, C. Tung
SU-FF-T-324 The Use of Megavoltage CT (MVCT) Images for Dose Recomputation - K. Langen*, S. Meeks, D. Poole, T. Wagner, T. Willoughby, P. Kupelian, K. Ruchala, J. Haimerl, G. Olivera
SU-FF-T-325 TVLs for Co-60 and 4, 6, 10, 15 and 18 MV X-Rays in Concrete for Beams of Cone Angle Between 0° and 14° Calculated by Monte Carlo - A. Jaradat, P. Biggs*
SU-FF-T-326 Application of the Pencil-Beam Redefinition Algorithm to Electron Arc Therapy - P. Chi*, K. Hogstrom, R. Boyd, G. Starkschall, S. Tucker, J. Antolak
SU-FF-T-327 Comparison of Characteristics of Electron Beams Generated by Siemens and Varian Linear Accelerators - A. Dimofte*, T. Zhu
SU-FF-T-328 Dosimetry of (< 3 Cm Diameter) 6 MeV Circular Field Electron Beams for a Varian 21EX Linac - M. Xu*, G. Glasgow, A. Sethi
SU-FF-T-329 Enhancing Magnetically Collimated Electron Beams for Breast Cancer Treatments - L. MA*, M. Sun
SU-FF-T-330 Modeling Skin Collimation Using Electron Pencil-Beam Redefinition Algorithm - P. Chi, K. Hogstrom*, G. Starkschall, J. Antolak, R. Boyd
SU-FF-T-331 Use of Photon IMRT Fields to Sharpen the Penumbra of Electron Fields Shaped with Photon MLC - S. Karnas*, H. Mosalaei, T. Foster, J. Chen
SU-FF-T-332 3D MRI-Based Tumor Delineation of Ocular Melanoma and Its Comparison with Conventional Techniques - I. Daftari*, E. Aghaian, J. O''''Brien, W. Dillon, T. Phillips
SU-FF-T-333 A Fourier Analysis of the Dose Grid Resolution Requirement in Proton Therapy IMRT Fluence-Map Optimization - H. Li*, J. Dempsey
SU-FF-T-334 Activation Induced by Proton Interactions in a Multileaf Collimator in Proton Therapy - M. Baldytchev*, P. Bloch, R. Maughan, J. McDonough
SU-FF-T-335 Analytical Calculation of Spread-Out-Bragg-Peak Distributions for Laser-Accelerated Proton Beams - E. Fourkal*, I. Veltchev, J. Fan, J. Li, W. Luo, C. Ma
SU-FF-T-336 Characterization of the Proton Beam of the Centre De Protontherapie D’Orsay with An On Line 2D Parallel Plate Ionization Chamber - S. Giordanengo*, A. La Rosa, A. Boriano, F. Bourhaleb, R. Cirio, M. Donetti, M. Garella, N. Givehchi, L. Guerin, F. Marchetto, F. Martin, S. Meyroneinc, C. Peroni, G. Pitta
SU-FF-T-337 Clinical Implementation of Proton Monte Carlo Dose Calculation - H. Paganetti*, H. Jiang, S. Kollipara
SU-FF-T-338 Comparison Between Proton and Neutron Dose Distributions From Single-Scattering and Dual-Scattering Systems in Ocular Proton Therapy - N. Koch*, W. Newhauser
SU-FF-T-339 Comparison of Pencil Beam Algorithm and Monte Carlo Dose Calculation for Proton Therapy of Paranasal Sinus Cancer - H. Jiang*, J. Adams, S. Rosenthal, S. Kollipara, H. Paganetti
SU-FF-T-340 Effect of Marker Implants On Dose Distribution in Proton Therapy - G. Ciangaru*, Y. Tsunashima, T. Sakae, A. Smith, R. Mohan, G. Starkschall, L. Dong, R. Komaki, Y. Akine, J. Cox
SU-FF-T-341 Energy Distributions of Proton Interactions in MCNPX and GEANT4 Codes Using a Slab Target - B. Wang*, X. Xu, H. Jiang, H. Paganetti
SU-FF-T-342 Evaluating a 2D Proton Spotscanning Profile - R. Gaza*, M. Bues, A. Smith
SU-FF-T-343 Focal Stereotactic Proton Irradiation: Micro CT Planning and Assessment by MR Spectroscopy - K. Shahnazi*, C. Stout, E. Kendall, D. Miller, A. Obenaus
SU-FF-T-344 Impact of Inter-Fractional Motion of the Anatomy On Prostate Proton Dose - X. Zhang*, L. Dong, A. Lee, J. Cox, X. Zhu, X. Wang, Y. Kang, H. Liu, R. Mohan
SU-FF-T-345 Measured Output Factors for Range-Modulated Spread-Out Bragg Peak Proton Beams - W. Hsi*, C. Allgower, J. Farr, A. Mascia, L. Fanelli, L. Tylor, A. Thornton, A. Schreuder
SU-FF-T-346 Monte-Carlo Investigation of Proton-Generated Radioactivity in a Multileaf Collimator for a Proton Therapy Facility - J. McDonough*, D. Goulart, M. Baldytchev, P. Bloch, R. Maughan
SU-FF-T-347 Proton Dose Calculation Using Monte-Carlo-Validated Pencil Beam Database for KonRad Treatment Planning System - A. Trofimov*, A. Knopf, H. Jiang, T. Bortfeld, H. Paganetti
SU-FF-T-348 Study of Truncated Cone Filters Using GEANT4 - T. Himukai*, Y. Takada, R. Kohno
SU-FF-T-349 Validation of DSAR Algorithm for Intensity Modulated Neutron Radiotherapy - L. Santanam*, M. Yudelev, T. He, J. Burmeister
SU-FF-T-350 A Comparative Dosimetric Study of Three-Dimensional Conformal, Dynamic Conformal Arc, and Intensity Modulated Radiation Therapy for Brain Tumor Treatment - M. Ding*, F. Newman, K. Stuhr, T. Johnson
SU-FF-T-351 A Treatment Planning Study Comparing Whole Breast Radiotherapy Against Conformal, IMRT and Tomotherapy For Accelerated Partial Breast Irradiation - M. Oliver*, J. Chen, E. Wong, J. Van Dyk, F. Perera
SU-FF-T-352 An Analytic Algorithm for Dose Calculation in An Inhomogeneous Medium - Y. Fan*, R. Nath
SU-FF-T-353 Clinic Implementation of Automated Planning for 3D-Conformal Therapy - Z. Jiang*, M. Ferris, M. Earl, D. Shepard
SU-FF-T-354 Development of 3D Planning for Obese Patients Larger Than CT FOV Using PHILIPS Pinnacle 3 Treatment Planning System - K. Ayyangar, R. Nehru*, M. Headley, R. Thompson, S. Pillai, N. Raman, S. Li, C. Enke
SU-FF-T-355 Effects of the Intravenous Contrast On Dose Distributions - T. Nurushev*, Q. Liu
SU-FF-T-356 From Unit Density to Heterogeneity Corrected Treatment Planning for Lung Cancer: A Monte Carlo-Based Dosimetric Analysis of the Effects On Prescription Dose - R. Price*, W. Xiong, J. Li, C. Ma
SU-FF-T-357 Modeling Thick-Target Bremsstrahlung Production by Compound-Poisson-Process Electron Multiple Scatter - G. Desobry*
SU-FF-T-358 MRI-Based Treatment Planning for Radiotheraphy of Brain Lesions - T. Stanescu*, A. Syme, B. Fallone
SU-FF-T-359 Optimization of Treatment Plans for Extracranial Stereotactic Lung Radiotherapy – RTOG 0236 - R. Drzymala*, S. Yano, G. Andl
SU-FF-T-360 Software Tools for 4-D and Adaptive Treatment Planning Data Visualization and Manipulation (CERR Version 3) - J. Alaly*, K. Zakarian, P. Lindsay, I. El Naqa, A. Hope, E. Spezi, J. Deasy
SU-FF-T-361 Dose Distribution in Extracranial Radiosurgery: A Comparison with Step and Shoot IMRT Based On Dose Indexes - C. Cavedon*, P. Francescon, F. Casamassima, M. Avanzo, J. Stancanello, S. Cora, P. Scalchi
SU-FF-T-362 Dynamic MLC for a Simpler 4-Field Single Isocenter Breast Technique: Development, Commissioning and Verification - W. Smith*, N. Chow, E. Wong
SU-FF-T-363 Dynamic Tangents and Topotherapy: New Delivery Capabilities for Helical Tomotherapy - G. Olivera*, K. Ruchala, W. Lu, J. Haimerl, E. Schnarr, K. Langen, P. Kupelian, S. Meeks, T. Mackie
SU-FF-T-364 Photo-Electric Effect with a Vengeance: Dosimetric and Microdosimetric Characterization of Contrast-Enhanced Radiation Therapy Using Kilovolt X-Rays - F. Verhaegen*, B. Reniers, F. DeBlois, S. Devic, J. Seuntjens, D. Hristov
SU-FF-T-365 Measurement of Radiation Induced Lung Damage in the Rat by CT Image Analysis - H. Meertens*, P. Luijk, M. Steneker, A. Novakova-Jiresova, R. Coppes
SU-FF-T-366 Radiation Dose Response Curve of Human Cerebral Cortex Measured with [F-18]-FDG and [O-15]-H2O PET Imaging - S. Zhou*, C. Hahn, T. Shafman, J. Kirkpatrick, A. Tisch, L. Marks, T. Hawk, T. Turkington, T. Wong, R. Coleman
SU-FF-T-367 What Does the Dosimetric Errors Encountered in Prostate Brachytherapy Tell Us About the Alpha/beta Ratio - P. Mobit, P. Mobit*
SU-FF-T-368 A Biophysical Model for Adaptive Radiotherapy Based On Tumor Volume Regression During Radiation Treatment - M. Guerrero*, X. Li
SU-FF-T-369 An Estimation of Radiobiological Parameters From Clinical Outcomes for Radiation Treatment Planning of Brain Tumor - X. Qi*, C. Schultz, X. Li
SU-FF-T-370 Biological Analysis for Hypofractionated Lung Cancer Radiotherapy - W. Xiong*, L. Wang, K. Paskalev, S. Feigenberg, C. Ma
SU-FF-T-371 Equivalent Stochastic Dose (ESD): Quantifying the Impact of Dose Uncertainties On Radiotherapy Treatment Plans - G. Cranmer-Sargison*, S. Zavgorodni
SU-FF-T-372 Evaluation of the Limits of Accuracy of the High Heterogeneity TCP Model - M. Carlone*, B. Warkentin, P. Stavrev, B. Fallone
SU-FF-T-373 Fitting the Zaider-Minerbo TCP Model to Cell Megacolony Culture Dose Response in Vitro Data - P. Stavrev, M. Weldon, B. Warkentin*, N. Stavreva, B. Fallone
SU-FF-T-374 Halftime for Repair of Sublethal Damage in Normal Bladder and Rectum: An Analysis of Clinical Data From Cervix Brachytherapy - M. Guerrero*, X. Li
SU-FF-T-375 Machine Learning Methods for Radiobiological Outcomes Modeling - I. El Naqa*, V. Clark, J. Bradley, J. Deasy
SU-FF-T-376 Multi-Variable Modeling of Radiotherapy Outcomes: Determining Optimal Model Size - J. Deasy*, I. El Naqa, P. Lindsay
SU-FF-T-377 Theory of Parameter Correlation in a Population Tumor Control Model Assuming High Heterogeneity in the Radiosensitivity - M. Carlone*, B. Warkentin, P. Stavrev, B. Fallone
SU-FF-T-378 Tumor Resensitization During Fractionated Radiotherapy: Modeling and Fitting Data From Animal Experiments - N. Stavreva, B. Warkentin*, P. Stavrev, B. Fallone
SU-FF-T-379 Biological Radial Dose Functions for Brachytherapy Sources - Z. Li*, D. Low, S. Mutic, J. Esthappan, I. Zoberi, P. Grigsby
SU-FF-T-380 Dose Mass Histogram and Its Application for 4D Treatment Planning - X. Wei*, H. Liu, S. Jang, M. Jauregui, L. Dong, Z. Liao, R. Komaki, R. Mohan
SU-FF-T-381 Optimization of Radiotherapy Dose-Time-Fractionation Scheme with Consideration of Tumor Specific Biology - C. Wang*, Y. Yang, L. Xing
SU-FF-T-382 Planning Non-Uniform Dose Distributions for Brain Tumor - X. Li*, E. Ahunbay, X. Qi, C. Schultz
SU-FF-T-383 Prescription and Inverse Planning for Biologically Conformal Radiation Therapy - Y. Yang*, L. Xing
SU-FF-T-384 The Impact of Prostate IMRT On Radiation Induced Malignancies - S. Stathakis*, J. Fan, J. Li, C. Ma
SU-FF-T-385 Tolerance Levels for Dosimetric IMRT QA Based On Radiobiological Parameters - M. Miften*, E. Werts, M. Trombetta, R. Fuhrer, D. Parda
SU-FF-T-386 Treatment Optimization for Prostate IMRT Incorporating Utility Analysis and Patient Decisions - C. Ma*, J. Li, R. Price, L. Chen, A. Konski, D. Watkins-Bruner, A. Pollack
SU-FF-T-387 Treatment Plan Evaluation and Optimization For SRS and IMRT Using Dose-Surface Histograms - S. Li*
SU-FF-T-388 A Method for Repositioning of Stereotactic Brain Patients with the Aid of Real-Time CT Image Guidance - K. Paskalev*, S. Feigenberg, L. Wang, B. Movsas, D. Laske, C. Ma
SU-FF-T-389 A Method to Treat GammaKnife Shots Otherwise Untreatable Due to Collison - G. Cernica, R. Fenstermaker, S. de Boer, R. Plunkett, M. Kuettel, M. Podgorsak*
SU-FF-T-390 A New Linac QA Procedure for the Characterization of Radiation Isocenter and Room Lasers Position - F. Rosca*, P. Zygmanski, F. Lorenz, F. Hacker, L. Chin, S. Friesen, J. Petsuksiri, L. Shanmugham, N. Ramakrishna
SU-FF-T-391 A New Look at Helmet Output Factor Utility in Gamma Knife Treatments - S. Griffin*, L. DeWerd, K. Kunigi
SU-FF-T-392 A Technique for Non-Coplanar Helical Tomotherapy Cranial Radiosurgery Treatment - H. Akpati*, H. Wu, L. Rosen, S. Katz
SU-FF-T-393 An Anthropomorphic Phantom for Respiratory Motion Research in Dynamic SRS - S. Dieterich*, D. Stoianovici, K. Wong, K. Cleary
SU-FF-T-394 An Image Guided Target Localization System for Brain Radiosurgery and Fractionated Stereotactic Radiotherapy Using a Non-Invasive Fixation - J. Jin*, S. Ryu, K. Faber, B. Movsas
SU-FF-T-395 An Integrated GRID Boost Technique for Gamma Knife Radiosurgery - L. MA*, Y. Kwok, L. Chin, J. Simard, W. Regine
SU-FF-T-396 Analytical Derivation of 6 MV Radiosurgery Cone Factors - J. Yang, R. Pino*, P. Nizin
SU-FF-T-397 Characteristics of a Double-Focused µMLC - M. Fischer*, M. Todorovic, F. Cremers, R. Schmidt
SU-FF-T-398 Commissioning a 5 Mm Circular Cone for Linac-Based Stereotactic Radiosurgery Using MicroMOSFET and Polymer Gel - J. Wojcicka*, R. Kudynski, D. Lasher, G. Fortier
SU-FF-T-399 Comparison of Stochastic and Analytical Algorithms in Selecting Gamma Knife Plug Patterns for Treatment Planning - K. Li, L. MA, K. Li*
SU-FF-T-400 Computational Study of the Rigid Body Image Registration Accuracy - D. Michalski*, G. Bednarz
SU-FF-T-401 Development of Specific Treatment Plan Based On Physical Lattice Structure for Stereotactic Radiosurgery - K. Choi*, S. Oh, T. Suh, J. Lee, B. Choe, M. Kim, H. Chung
SU-FF-T-402 Dosimetric Comparison of Different MLC Systems for IMSRT - M. Heydarian*, B. Fung, N. Laperriere
SU-FF-T-403 Evaluation of Doses Delivered by SBRT to the Lung of An Anthropomorphic Thorax Phantom - P. Alvarez*, A. Molineu, N. Hernandez, D. Followill, G. Ibbott
SU-FF-T-404 Fractionated Radiosurgery by Adaptation of Resources - D. Batchelar*, G. Bauman, B. Fisher, J. Taylor, E. Wong
SU-FF-T-405 Impact of Tissue Heterogeneities Upon Dose Delivery to Lung Lesions and Comparison of BrainSCAN Treatment Planning System Dose Calculations - M. Schell*, D. Clark, D. Reynolds, H. Liu, W. O'Dell, Y. Yu, P. Okunieff
SU-FF-T-406 Measured Dose Gradients for Extracranial Stereotactic Radiosurgery - D. Chase*, S. Mahan, C. Ramsey
SU-FF-T-407 Prediction and Optimization of Stereo Tactic Frame Placement for Collision Avoidance in Gamma Knife Radio Surgery - M. Lay*, A. Movahed, S. Ahmad, G. Mardirossian
SU-FF-T-408 Regular Lesions Stereotactic Treatment:Physical and Dosimetrical Comparison Between Circular and Mini/micro Multileaf Collimators - A. Sardo*, E. Madon, V. Richetto, E. Trevisiol, R. Pellegrini, R. Cirio, M. Donetti, S. Giordanengo, S. Iliescu, F. Marchetto, C. Peroni, A. Urgesi
SU-FF-T-409 Study of the Technology of Pin-Point CT Imaging Guide System - J. Tsai*, G. Cardarelli, J. Hiatt, D. Shearer, C. Bradford, T. DiPetrillo, Y. Puthawala, M. Remis, D. Wazer
SU-FF-T-410 Target Localization of Intensity Modulated Radio-Surgery Patients Using ExacTrac System - S. Li*, K. Ayyangar, S. Pillai, R. Nehru, A. Fung, D. Djajaputra, R. Thompson, N. Raman, W. Zhen, C. Enke
SU-FF-T-411 The Diode Volume Averaging Effect and Corrections in Very Small Photon Fields - E. Sham*, S. Devic, J. Seuntjens, E. Podgorsak
SU-FF-T-412 The Feasibility of Using Tomotherapy Hi-Art Machine for Stereotactic Radiosurgery - H. Jaradat*, W. Tome, M. Mehta
SU-FF-T-413 The Impact of Heterogeneity Correction On Tumor Dosimetry for Lung Cancer Stereotactic Body Radiation Therapy - M. Ding*, F. Newman, K. Stuhr
SU-FF-T-414 Transfer of Brain Tumor Patients From Leksell Gamma Knife to BrainLAB Novalis - T. Djemil*, J. Suh, G. Neyman, M. Weinhous, M. Ouzidane

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