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Taxonomy: TH- Small Animal RT: Quality Assurance
| MO-AB-SAN1-1 | Characterization of Positional Accuracy of a Double-Focused and Double-Stack Multileaf Collimator On An MR-Guided Radiotherapy (MRgRT) Linac Using An IC-Profiler Array K Mittauer*, P Yadav , B Paliwal , J Bayouth , School of Medicine and Public Health UW-Madison, Madison, WI |
| MO-AB-SAN1-5 | A Streamlined Commissioning Procedure for Efficient Halcyon Implementation T Pawlicki1*, G Kim1 , T Aland2 , T Jarema2 , D Brown1 , (1) UC San Diego, La Jolla, CA, (2) Icon Group, South Brisbane, Australia |
| MO-C930-GePD-F7-5 | Improving IMRT Delivery with a Neighborhood-Coordinated Leaf Motion Algorithm S Momin12*, J Grafe2 , T Zhang1 , R Khan1 , (1) Washington University School of Medicine, St. Louis, MO, (2) Ryerson University, Toronto, ON |
| MO-E115-GePD-F4-1 | A Software Tool to Harvest and Analyze MLC Log Files of the Elekta VersaHD Linear Accelerator P Myers*, C Kabat , D Saenz , K Rasmussen , N Kirby , N Papanikolaou , S Stathakis , University of Texas HSC SA, San Antonio, TX |
| MO-E115-GePD-F4-3 | Is the Standard IMRT/VMAT QA Good Enough? Investigating Log File Monte Carlo-Based Quality Assurance (LF-MC QA) as An Alternative Treatment Planning/Delivery QA Technique C Stanhope1,4*, M Alber2,3 , M Sohn3 , D Drake4 , J Liang4 , D Yan4 , (1) Wayne State University, Royal Oak, MI, (2) Universitat Heidelberg, Tuebingen, (3) ScientificRT GmbH, Munich, (4) William Beaumont Hospital, Royal Oak, MI |
| MO-E115-GePD-F4-4 | The Feasibility of Clinical Implementation of AAPM TG-218 IMRT Measurement-Based Tolerance Limit Recommendations R Price*, I Veltchev , T Lin , A Eldib , C Ma , Fox Chase Cancer Center, Philadelphia, PA |
| MO-E115-GePD-F6-3 | Error Detection in End-To-End Test for CT-Based HDR Brachytherapy Using a Normoxic N-Vinylpyrrolidone Polymer Gel Dosimeter H Tachibana1*, Y Watanabe2 , S Mizukami2 , T Maeyama2 , T Terazaki3 , R Uehara1 , T Akimoto1 , (1) National Cancer Center Hospital East, Kashiwa, ,(2) Kitasato University, Sagamihara, ,(3) Yokohama City Minato Red Cross Hospital, Yokohama, |
| MO-E115-GePD-F6-6 | Development of Volume-Based Second-Check Dose Calculation Software for Image-Guide Adaptive Brachytherapy S Kang1*, J Chung2 , K Kim1 , J Park3 , T Suh1 , J Park4 , (1) Department of Biomedicine & Health Sciences, Research Institute of Biomedical Engineering, College of Medicine, the Catholic University of Korea,(2) Department of Radiation Oncology, Seoul National University Boramae Medical Center,(3) Deapartment of Radiation Oncology, University of Florida, Gainesville, FL,(4) Department of Radiation Oncology, Washington University in St. Louis, St. Louis, MO |
| MO-E115-GePD-F7-2 | Initial Quality Assurance Experience of the First Clinical Gantry-Mounted Proton Therapy System - A Four-Year Experience B Liu1*, J Carter1 , K Qing1 , K Nie1 , X Wang1 , T Cui1 , M Zhang2 , J Zou3 , R Davis4 , R Parikh1 , N Yue1 , Y Zhang1 , (1) Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, (2) Memorial Sloan Kettering Cancer Center, New York, NY, (3) University of Pennsylvania, Philadelphia, PA, (4) Robert Wood Johnson University Hospital, New Brunswick, NJ |
| MO-I345-GePD-F2-3 | Machine Learning Modeling of Beam Data of Multiple Linear Accelerators (LINACs) From Different Institutions and Its Practical Application in Fast and Robust LINAC Commissioning E Schueler*, W Zhao , I Patil , B Han , Y Yang , L Xing , Stanford Univ School of Medicine, Stanford, CA |
| MO-I345-GePD-F3-2 | Characterization and Longitudinal Assessment of Daily Quality Assurance On An MR-Guided Radiotherapy (MRgRT) Linac D Dunkerley*, P Yadav , J Bayouth , K Mittauer , School of Medicine and Public Health UW-Madison, Madison, WI |
| MO-I345-GePD-F5-2 | Evaluation of the Clinical Impact of Dark Current On the Delivery of Gated Treatments with An MR-Guided Radiotherapy System A Shepard*, K Mittauer , J Bayouth , P Yadav , University of Wisconsin-Madison, Madison, WI |
| MO-I345-GePD-F5-4 | Secondary MU Check Using RadCalc for Elekta Unity MR-Linac J Yang1*, S Vedam1 , C Brink2 , M Nielsen2 , M Ji3 , L Bist3 , J Ohrt1 , J Wang1 , P Balter1 , (1) MD Anderson Cancer Center, Houston, TX, (2) Odense University Hospital, Odense, Denmark, (3) Elekta Inc, Maryland Heights, MO |
| PO-GePV-P-13 | Implementing An Efficient Monthly QA Program for a Proton Pencil Beam Scanning Gantry J Rottmann*, A Fredh , S Safai , A Bolsi , DC Weber , A Lomax , Paul Scherrer Institute, Switzerland |
| PO-GePV-P-23 | Prostate Motion and Dose Distribution in Prostate Patients Without Rectal Balloon During a Course of Proton Therapy R Regmi1*, D Maes2 , J Saini3 , T Wong4 , J Liao5 , R Rengan6 , J Zeng7 , (1) ,Bothell, WA, (2) SCCA Proton Therapy Center, Seattle, WA, (3) SCCA Proton Therapy Center, Seattle, WA, (4) SCCA Proton Therapy Center, Seattle, WA, (5) University of Washington Medical Center, Seattle, WA, (6) University of Washington, Seattle, WA, (7) SCCA Proton Therapy Center, Seattle, WA |
| PO-GePV-P-73 | Towards Efficient Automated LINAC Quality Assurance: A Feasibility Study S Lim , R Kuo , L Happersett , L Hong , X Li , D Lovelock*, Memorial Sloan-Kettering Cancer Center, New York, NY |
| PO-GePV-P-102 | Automated Winston-Lutz Test Using XML Script and Developer Mode in TrueBeam STx A Alarcon*, C Venencia , Instituto Zunino, Cordoba - ARGENTINA |
| PO-GePV-T-1 | Investigation of the Directional Dependence of the Detector Response Near a 192Ir Brachytherapy Source K Buesing*, A Schoenfeld , B Poppe , Medical Campus Pius Hospital, Carl von Ossietzky University, Oldenburg, Germany |
| PO-GePV-T-2 | Improvements in Efficiency and Accuracy for HDR Source Positioning Through the Use of a High Resolution Camera Localization System D Nicewonger*, S Stathakis , N Papanikolaou , N Kirby , D Saenz , P Myers , M Fakhreddine , K Rasmussen , University of Texas HSC SA, San Antonio, TX |
| PO-GePV-T-3 | A Semi-2D TG-43 Formula for Accurate In-House Verification of High-Dose-Rate Brachytherapy Dose Calculation Q Fan*, D Zheng , S Wang , C Lin , C Enke , S Zhou , University of Nebraska Medical Center, Omaha, NE |
| PO-GePV-T-6 | Evaluation of a Time-Based Plan Check Method for Rotte 'Y' and Venezia Brachytherapy Treatments J Hansen*, R Das , University of Wisconsin, Madison, WI |
| PO-GePV-T-35 | New Acceptance Criteria for Evaluating Electron Beam Percentage Depth Dose Using OSLD Remote Audits P Alvarez*, P Taylor , J Lowenstein , A Molineu , S Kry , D Followill , UT MD Anderson Cancer Center, Houston, TX |
| PO-GePV-T-76 | Proton Machine Daily QA Data Management Using a Server-Based Commercial Software W Myers*, L Zhao , St. Jude Children's Research Hospital, Memphis, TN |
| PO-GePV-T-77 | Results of IROC Anthropomorphic Liver Phantom Irradiations with Protons and Photons P Taylor*, P Alvarez , H Mehrens , D Followill , UT MD Anderson Cancer Center, Houston, TX |
| PO-GePV-T-82 | Time-Gated and Long-Pass Filtered Imaging of Photon and Proton Beams for 2-D and 3-D Beam Profiles M Rahman*1, P Bruza1, R Zhang2 , V Borza1,3, B Pogue1,3, (1) Dartmouth College, Hanover, NH, (2) Emory Proton Therapy Center, Atlanta, GA, (3) Dose Optics, LLC, Lebanon, NH |
| PO-GePV-T-120 | Evaluation of DVH Based Patient-Specific Quality-Assurance Using COMPASS S Sharma*, V Subramani , S Chander , S Bhaskar , S Pathy , P Kumar , N Gopishankar , S Thulkar , M Singh , A Binjola , All India Institute of Medical Sciences New Delhi |
| PO-GePV-T-124 | Wavelet-Based Signal Processing Approach for Protoacoustic Measurement in Proton Range Verification J Sohn1*, W Nie2 , X Yang3 , X He4 , J Zhou5 , S Avery6 , T Liu7 , (1) Emory University, Atlanta, GA, (2) University of Nebraska, Omaha, NE, (3) Emory University, Atlanta, GA, (4) Emory University, Lilburn, GA, (5) Emory University, Atlanta, GA, (6) UNIVERSITY OF PENNSYLVANIA, Sicklerville, NJ, (7) Emory University, Atlanta, GA |
| PO-GePV-T-128 | Experience in Management of Implanted Cardiovascular Devices in Stereotactic Body Radiotherapy of Lung Cancer P Qi*, A Magnelli , S Balik , T Zhuang , K Stephans , G Videtic , Cleveland Clinic, Cleveland, OH |
| PO-GePV-T-132 | Applying TG-218 Methodology to Large Field VMAT QA Using a Gantry-Resolved EPID-Based Technique P Cardoso1*, Q Wu2 , B Liang3 , R Wei3 , (1) Duke Kunshan University, Kunshan, China, (2) Duke University Medical Center, Durham, NC, (3) Image Processing Center, Beihang University, Beijing, China |
| PO-GePV-T-140 | Can An EPID Be Commissioned for Multi-Met SRS Pre-Treatment VMAT QA? D Raxter1*, D Litzenberg2 , J Moran3 , (1) University of Toledo, Toledo, OH, (2) Univ Michigan, Ann Arbor, MI, (3) Univ Michigan Medical Center, Ann Arbor, MI |
| PO-GePV-T-142 | Using EPID in Vivo Dosimetry to Quantify Treatment Delivery Accuracy in Canine Head and Neck Tumors J Lambeck1*, S Saad2 , K Hansen3 , M Kent3 , S Dieterich4 , (1) University of California Davis, Sacramento, CA, (2) The William R. Prichard Veterinary Medical Teaching Hospital, School of Veterinary Medicine,UC Davis, Davis, CA, (3) Department of Surgical and Radiological Sciences, UC Davis School of Veterinary Medicine, Davis, CA, (4) UC Davis Medical Center, Sacramento, CA |
| PO-GePV-T-144 | Can 2D Gamma-Passing Rate Predict DVH Errors? Analysis of Gamma-Passing Rate Based VMAT QA M Bedoya*, C Wilke , Y Watanabe , University of Minnesota, Minneapolis, MN |
| PO-GePV-T-146 | Determination of Proper Measurement Plane for 2D IMRT QA J Panetta*, I Veltchev , R Price , C Ma , Fox Chase Cancer Center, Philadelphia, PA |
| PO-GePV-T-150 | A Method for Using a Global Dosimetric Leaf Gap and Transmission Factor for Beam Matched Linear Accelerators D Dean*, M Price , K Homann , School of Medicine at Vanderbilt University, Nashville, TN |
| PO-GePV-T-151 | A Direct Comparison of Gamma Pass-Rates From Four Different Commercial Systems J Kunz*, V Sarkar , D Spitznagel , G Nelson , M Szegedi , A Paxton , Y Huang , F Su , H Zhao , P Rassiah-Szegedi , B Salter , University of Utah, Salt Lake City, UT |
| PO-GePV-T-152 | Quality Assurance of Multiple Isocentric Volumetric Modulated Arc Therapy for Craniospinal Irradiation J Zhang*, B Lee , W Lien , J Han , D Kim , K Goldman , S Lu , G Hong , S Lee , J Rahimian , Y Qian , Southern California Permanente Medical Group, Los Angeles, CA |
| PO-GePV-T-154 | The Impact of Volumetric Modulated Arc Therapy Delivery Errors On 2D and 3D Gamma Passing Rates and DVH-Based Dosimetry for Nasopharyngeal Carcinoma G Li1*, Q Yuan2 , S Bai1 , (1) West China Hospital, Sichuan University, Chengdu, Sichuan, China (2) Wuhuan University, Wuhan, Hubei, China |
| PO-GePV-T-155 | A Multi-Institution Study On the Impact of TG218 QA Tolerance Change On the Tomotherapy DQA Passing Rate T Oldland*, H Shi , S Gerring , W Luo , J Molloy , Q Chen , University of Kentucky, Lexington, KY |
| PO-GePV-T-160 | Comparative Evaluation of Four Commercial Patient-Specific Quality Assurance Devices for Helical Tomotherapy K Chang1*, J Lee2 , J Choi1 , C Hong1 , D Jung1 , J Kim1 , J Kim1 , M Han1 , H Lee1 , D Kim1 , J Kim1 , K Park1 , J Cho1 , Y Kim1 , (1) Yonsei Cancer Center, Seoul, (2) The Catholic University of Korea Incheon ST,MARY' s Hospital ,Incheon, |
| PO-GePV-T-163 | Development of New MLC QA of Volumetric Modulated Arc Therapy Using a High Sampling Rate Log File S Nishiyama*, M Seo , K Makabe , M Kuramochi , T Suzuki , H Tomita , Dept. of Radio Technology, Saiseikai Kawaguchi General Hospital, Kawaguchi, Saitama |
| PO-GePV-T-164 | Development of a Learning Data for Predicting Three-Dimensional Gamma Passing Rate of IMRT Using a Dose Uncertainty Potential E Shiba1,2*, A Saito2 , M Furumi1 , D Kawahara2 , K Miki2 , Y Murakami2 , T Ohguri1 , S Ozawa3,2 , M Tsuneda4 , K Yahara1 , T Nishio4 , Y Korogi1 , Y Nagata2,3 , (1) University of Occupational and Environmental Health, Fukuoka, Japan, (2) Hiroshima University, Hiroshima, Japan, (3) Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, Japan, (4) Tokyo Women's Medical University, Tokyo, Japan |
| PO-GePV-T-165 | A Prediction Model for Pretreatment Dose Verification of Volumetric-Modulated Arc Therapy (VMAT) Using Machine Learning G Li1*, Q Yuan2 , S Bai1 , (1) West China Hospital, Sichuan University, Chengdu, Sichuan, China (2) Wuhan University, Wuhan, Hubei, China |
| PO-GePV-T-166 | Comparison of Patient-Specific IMRT QA with the Integral Quality Monitor (IQM) and the Electronic Portal Imaging Device (EPID) M Ghafarian*, M Morales-Paliza , M Price , Vanderbilt University Medical Center, Nashville, TN |
| PO-GePV-T-167 | Commissioning of Mobius3D for Linac-Based SRS and Determination of the Dosimetric-Leaf-Gap R McCarroll*, P Sabouri , N Lamichhane , Y Poirier , B Yi , S Chen , M Guerrero , University of Maryland School of Medicine, Baltimore, MD |
| PO-GePV-T-169 | Treatment Delivery Verification Using ELEKTA Versa HD High-Resolution Log Files H Parenica1*, C Kabat1 , N Kirby1 , K Rasmussen1 , D Saenz1 , P Mavroidis2 , N Papanikolaou1 , S Stathakis1 , (1) UT Health Science Center San Antonio, San Antonio, TX, (2) Univ North Carolina, Chapel Hill, NC |
| PO-GePV-T-170 | Verification Results Analysis of IMRT Plan Based On Disease Differences and Establishment of Gamma Threshold of Each Disease X Lin*, Z Li , Q Qiu , Y Yin , Shandong Cancer Hospital Affiliated to Shandong University, Jinan, Shandong |
| PO-GePV-T-222 | Assessment of Changes in VMAT Treatment Plan Delivery as a Result of Large Dose Changes Without Plan Re-Optimization M Hauze1*, Z Ouyang2 , D Wilkinson2 , (1) Cleveland State University, Cleveland, OH, (2) Cleveland Clinic Foundation, Cleveland, OH |
| PO-GePV-T-256 | Which One Is More Reliable in Determining Leaf Position Uncertainties: SNC Machineâ„¢ Hancock MLC Test Or AutoCALâ„¢ MLC Test K Jacobs*, C Yang , Department of Radiation Oncology, University of Mississippi Med. Center, Jackson, MS |
| PO-GePV-T-257 | Feasibility Study of Log-Based Pre-Treatment Quality Assurance Without Dry-Run Using the Deep-Learning Approach W Cheon, Y Han* , W Kim , B Min* , Chungbuk National University HospitalSeoul W Cheon1*, Y Han1,2,3 , W Kim4 , B Min 4, (1) Dept. of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, 06351, Korea, (2) Dept. of Radiation Oncology, Samsung Medical Center, Seoul, 06351, Korea, (3) Samsung Medical Center, Sungkyunkwan University SChool of Medicine, Seoul 06351, Korea, (4) Department of Radiation Oncology, Chungbuk National University Hospital, Cheongju, 28644, Korea. |
| PO-GePV-T-259 | An Accurate Profile-Based Method for Starshot Analysis R Rahimi Darabad, K Padgett, N Dogan, Y Yang*, University of Miami Miller School of Medicine, Miami, FL |
| PO-GePV-T-260 | A Fast and More Accurate Method to Fine Tune MLC Parameters in Elekta Versa HD Linac Using Dosimetric Leaf Gap (DLG) and EDR Film Measurement AM Tang*, SKY Chan , KC Wong , FKH Lee |
| PO-GePV-T-261 | Is Machine Performance Check a Reliable QA Tool in TrueBeam Linacs? A Rangel*, F Khan , P Chi , Trillium Health Partners/The Credit Valley Hospital, Mississauga, ON |
| PO-GePV-T-264 | Simultaneous Optimization of Radiation-Imaging Coincidence for All Versa HD Photon Energies C Knill*, R Halford , M Snyder , R Sandhu , D Lack , Beaumont Hospital, Royal Oak, MI |
| PO-GePV-T-267 | A Simple Pre-Treatment Quality Assurance Procedure for SBRT C Kim*, Mount Sinai Beth Israel, New York, NY |
| PO-GePV-T-270 | Implementation and Evaluation of the Multicenter Validation Testing of IMRT/VMAT Commissioning On the Basis of AAPM TG 119 and TG 244 J Li1*, R Yang2 , J Dai3 , X Jin4 , X Li5 , J Qiu6 , S Xu7 , B Yang8 , F Zhang9 , (1) Peking University Third Hospital, Beijing, ,(2) Peking University Third Hospital, Beijing, ,(3) National Cancer Center/National Clinical Research Center for Cancer/Cancer, Beijing, 11, (4) Wenzhou Medical University First Hospital, Wenzhou, ,(5) Fujian Medical Union Hospital, Fuzhou, ,(6) Peking Union Medical College Hospital, Beijing, ,(7) Chinese PLA General Hospital, Beijing, ,(8) ,Beijing, 11, (9) PLA Arm General Hospital, Beijing, |
| PO-GePV-T-272 | Efficient and Inclusive Linear Accelerator Beam Data Verification M Schmidt*, N Knutson , A Price , B Sun , G Hugo , E Laugeman , E Pryser , S Mutic , F Reynoso , Washington University School of Medicine, St. Louis, MO |
| PO-GePV-T-274 | A Quantitative Study of CDR-CAS-IMAT Simulated Delivery Errors for Brain Tumors R Zhang1,2*, W Bai2 , Y Feng1 , W Jiang1 , (1)Department of Biomedical Engineering, Tianjin University, Tianjin, China,(2)The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, |
| PO-GePV-T-275 | New LINAC Acceptance & Commissioning Experience: Should We Be Accepting An Accelerator Overlooking a Risk of ±31% Dose Inhomogeneity at the Junctions? N Paudel1*, (1) UPMC Susquehanna, Hillman Cancer Center, Williamsport, PA |
| PO-GePV-T-277 | Dose Effect of Delivery Errors On Volumetric Modulated Arc Therapy for Nasopharynx Cancer and Cervical Cancer S Bai1 , Q Yuan2 , G Li1*, (1) West China Hospital, Sichuan University, Chengdu, Sichuan, China (2) Wuhan University, Wuhan, Hubei, China |
| PO-GePV-T-309 | The Efficacy of a Non-Metallic Target for An End-To-End Winston-Lutz Phantom for Use with C-Arm Linear Accelerator Treatment Devices P Mone*, D Workie , Sinai Hospital of Baltimore, Baltimore, MD |
| PO-GePV-T-313 | Reproducible Beam-Position Hysteresis Observed with Direction of Linac Gantry Rotation D Pinkham1*, S Kamath1 , S Hancock3 , (1) Yale School of Medicine, New Haven, CT, (2) Southeast Missouri Hospital, Cape Girardeau, MO |
| PO-GePV-T-322 | Resolution and Accuracy of BB Detection in Commercial and In-House Winston-Lutz Analysis Algorithms M Malin1*, J Partouche2 , T Qu1 , (1) NYU Langone Medical Center, New York, NY, (2) University of Chicago, Chicago, IL |
| PO-GePV-T-387 | Comprehensive and Efficient Quality Assurance Program for Image-Guided Small Animal Irradiation Systems S Kampfer*, M Duda , J J Wilkens , Klinikum rechts der Isar, Technical University of Munich, Munich, Bayern |
| PO-GePV-T-389 | Gel Dosimetry to Commission a Research Linear Accelerator for Small Field Animal Irradiation Studies N Ba Sunbul*, I Oraiqat , B Rosen , C Miller , M Matuszak , S Clarke , S Pozzi , J Moran , I El Naqa , Univ of Michigan , Ann Arbor, MI |
| SU-E-301-3 | Dosimetric Impact of Silastic Insert Thickness in COMS Eye Plaque for I-125 Brachytherapy C Oare*, D Sterling , K Dusenbery , D Koozekanani , C Ferreira , University of Minnesota, Minneapolis, MN |
| SU-E-301-6 | Time-Resolved Gamma Imaging of High Dose Rate (HDR) Brachytherapy Source Positions K Jones*, Y Liao , Z Grelewicz , D Bernard , J Turian , Rush University Medical Center, Chicago, IL |
| SU-F-302-7 | Driven Damped Harmonic Oscillator for MR Motion Quality Assurance R Halford1*, D Yan2 , M Snyder2 , (1) Beaumont Hospital, Dearborn, MI, (2) William Beaumont Hospital, Royal Oak, MI |
| SU-K-301-1 | A Systematic Evaluation of the Error Detection Abilities of a Novel Diode Transmission Detector V Sarkar*, A Paxton , J Kunz , M Szegedi , G Nelson , F Su , Y Huang , H Zhao , P Rassiah-Szegedi , B Salter , University of Utah, Salt Lake City, UT |
| SU-K-301-2 | Analysis of Gamma Sensitivity for Detecting Geometric Errors During Multi-Target SRS Pre-Treatment QA Using 2D Film and 3D Gel Dosimeters A Moncion1*, B Rosen2 , (1) Department of Radiation Oncology, Michigan Medicine, University of Michigan, Ann Arbor, MI, (2) Department of Radiation Oncology, Michigan Medicine, University of Michigan, Ann Arbor, MI |
| SU-K-SAN1-5 | Quality Assurance of Beam Energy and Output for Gated Treatment Delivery Using IC Profiler and Quad Wedges L Hu1*, D Barbee1 , (1) NYU Langone Health, New York, NY |
| SU-K-SAN2-6 | Hydraulic Phantom for MR Motion Quality Assurance M Snyder2*, R Halford1 , D Yan2 , (1) Beaumont Hospital, Dearborn, MI, (2) William Beaumont Hospital, Royal Oak, MI |
| SU-L-301-5 | Machine Learning with Radiomic Features to Detect the Types of Errors in IMRT Patient-Specific QA M Sakai*1, H Koarai1, M Ueda1, S Shigeta2, H Nakano2, T Takizawa23, S Tanabe2, R Sasamoto1, H Aoyama4, S Utsunomiya1, (1) Niigata University Graduate School of Health Sciences, Niigata, Japan , (2) Niigata University Medical and Dental Hospital, Niigata, Japan , (3) Niigata Neurosurgical Hospital, Niigata, Japan, (4) Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan |
| SU-L-301-6 | Optical Imaging Based Automated QA of Radiotherapy Couch Motions E Pearson*, X Liu , R Wiersma , The University of Chicago, Chicago, IL |
| SU-L-SAN2-2 | Clinical Experience of Patient-Specific QA for Online Adaptive Radiotherapy Using Elekta Unity MR-Linac J Yang*, S Vedam , J Wang , C Fuller , S Choi , C Chung , M McAleer , B Lee , N Hughes , G Ungchusri , M Gillin , M Martel , P Balter , UT MD Anderson Cancer Center, Houston, TX |
| SU-L-SAN4-3 | Benchmarking of Low-Field MR-Linacs in a Multi-Institutional International Consortium C Glide-Hurst1*, P Yadav2 , A Gutierrez3 , G Gungor4 , D Hoffmans5 , K Mittauer2 , A Sethi6 , T Romaguera3 , R Pennell7 , M Palacios5 , E Omari6 , S Meeks8 , H Mailleux9 , O Green10 , P Fau9 , A Doemer1 , J.K. DeWyngaert7 , K Boye11 , A Shah8 , S Klueter12 , R Lotey13 , M Bellon13 , (1) Henry Ford Health System, Detroit, MI, (2) School of Medicine and Public Health UW-Madison, Madison, WI, (3) Miami Cancer Institute, Miami, FL, (4) INSTITUTE OF HEALTH SCIENCE OF ACIBADEM UNIVERSITY, Istanbul, (5) Amsterdam University Medical Center, Amsterdam, Netherlands, (6) Loyola Univ Medical Center, Maywood, IL, (7)New York Presbyterian, New York, NY, (8) UF Health Cancer Center at Orlando Health, Orlando, FL, (9) Institut Paoli-Calmettes, Marseille, France,(10) Washington University School of Medicine, St. Louis, MO, (11) Rigshospitalet Copenhagen, Denmark,(12) Heidelberg University Hospital, Heidelberg, Germany, (13) ViewRay Incorporated, Mountain View, CA |
| TH-A-SAN2-1 | Machine Learning for Patient-Specific Quality Assurance of VMAT: Prediction and Classification Accuracy J Li1*, L Wang2 , X Zhang1 , L Liu1 , J Li1 , M Chan3 , J Sui2 , R Yang1 , (1) Peking University Third Hospital, Beijing, (2) Institute of Automation, Chinese Academy of Sciences, Beijing, (3) Memorial Sloan Kettering Cancer Center, Basking Ridge, NJ |
| TH-A-SAN2-11 | Real-Time 3D Scintillation Imaging Enables Rapid End-To-End Verification of Online Adaptive Replanning On MR-Linac P Bruza1*, M Ashraf1 , J Cammin2 , B Maraghechi2 , B Pogue1 , O Green2 , (1) Dartmouth College, Hanover, NH, (2) Washington University, School of Medicine, St. Louis, MO |
| TH-A-SAN2-12 | A Framework of Automatic Contour Quality Validation for MRI-Guided Online Adaptive Radiation Therapy Y Zhang*, F Ceballos , E Ahunbay , X Li , Medical College of Wisconsin, Milwaukee, WI |
| TH-BC-225BCD-8 | A Dosimetric Approach for the Quantification of the Gating Latency Associated with An MR-Guided Radiotherapy System A Shepard*, K Mittauer , P Yadav , J Bayouth , University of Wisconsin-Madison, Madison, WI |
| TH-BC-301-3 | Corrections to EPID-Based MLC QA Images Improve Sensitivity and Specificity N Koch1*, C Vanderstraeten2 , K Pearman1 , T Hayes1 , (1) Cone Health Cancer Center, Greensboro, NC, (2) Cone Health/Alamance Regional Cancer Center, Burlington, NC |
| TH-D-304-2 | "Is There a Threshold Limit for Dosimetric Impact Due to Breathing Motion During Lung VMAT Delivery"? -Experimental Measurement of Dose Measured in Moving Lung Tumors R Varadhan1*, S Way2 , M Bedoya3 , N Dickson4 , N Anderson5 , (1) Minneapolis Radiation Oncology, Fridley, MN, (2) Minneapolis Radiation Oncology, Robbinsdale, MN, (3) University of Minnesota, Minneapolis, MN, (4) MINNEAPOLIS RADIATION ONCOLOGY, Edina, MN, (5) Minneapolis Radiation Oncology, New Richmond, WI |
| TH-D-304-7 | IROC Houston QA Center's International Anthropomorphic Phantom Activity A Molineu*, P Alvarez , P Taylor , J Lowenstein , S Kry , D Followill , UT MD Anderson Cancer Center, Houston, TX |
| TU-AB-SAN1-10 | Three-Dimensional Quality Assurance of Isocenters in Proton Therapy System Using Motion Capture Camera System W Cheon1, K Jo2 , S Ahn2 , J Cho2 , Y Han1,2,3* , (1) Dept. of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, 06351, Korea, (2) Dept. of Radiation Oncology, Samsung Medical Center, Seoul, 06351, Korea, (3) Samsung Medical Center, Sungkyunkwan University SChool of Medicine, Seoul 06351, Korea |
| TU-C1000-GePD-F4-2 | Characterization of the Beam Perturbations and Effects On IMRT Delivery of a Diode Transmission Detector A Paxton*, V Sarkar , J Kunz , M Szegedi , G Nelson , Y Huang , B Salter , University of Utah, Salt Lake City, UT |
| TU-C1000-GePD-F4-5 | Survey Results of Current Standards for Verifying Patient Positioning and Dose Delivery in IMRT H Mehrens*, S Kry , D Followill , UT MD Anderson Cancer Center, Houston, TX |
| TU-C1000-GePD-F4-6 | Can IMRT QA Failures Be Predicted? How Complexity Metrics Can Guide the Decision for Replanning Before IMRT QA Has Been Measured E Silverstein1*, D Harrington2 , (1) Mayo Clinic Arizona, Phoenix, AZ, (2) Mayo Clinic Arizona, Phoenix, AZ |
| TU-C1000-GePD-F7-3 | Patient Specific Quality Assurance Using Machine Log Files for the Mevion S250i Proton Therapy System A Bunker*, S Ahmad , Y Chen , University of Oklahoma Health Sciences Center, Oklahoma City, OK |
| TU-C1030-GePD-F3-2 | Impact of the Interplay Effect On 4D Dose Distribution in Respiratory-Gated VMAT-SBRT for Hepatocellular Carcinoma R Takahashi*, H Tachibana , K Hotta , H Baba , K Motegi , T Akimoto , National Cancer Center Hospital East, Kashiwa |
| TU-C930-GePD-F4-3 | Time Evolution of the Response of Irradiated EBT-XD Radiochromic Films D Mulrow*1,2, Y Leon1, A Darafsheh1, R Khan1, (1) Washington University School of Medicine, St Louis, MO, (2) Washington University in St. Louis, St. Louis, MO |
| TU-C930-GePD-F4-5 | Development of a Mailed Dosimetric Audit System for External Beam Radiation Therapy Using Alanine Dosimeters M McEwen1*, I Mansour2 , (1) National Research Council, Ottawa, ON, (2) Carleton University, Ottawa, |
| TU-F115-GePD-F3-3 | Detection of Treatment Variability Using Universal Metrics in EPID In-Vivo Dosimetry D Hernandez1*, S Dieterich1 , (1) UC Davis Medical Center, Sacramento, CA |
| TU-F115-GePD-F5-5 | Evaluation of An Automated 3D Gamma Analysis Tool for Dose Comparison F Cremelie*, D Mirando, M Duchateau, AS Nelson, MIM Software Inc., Cleveland, OH |
| TU-HI-SAN4-5 | Development of a Gantry-Resolved EPID-Based Frame-By-Frame Patient-Specific VMAT QA Method P Cardoso1*, Q Wu2 , B Liang3 , R Wei3 , (1) Duke Kunshan University, Kunshan, China, (2) Duke University Medical Center, Durham, NC, (3) Image Processing Center, Beihang University, Beijing, China |
| TU-HI-SAN4-8 | Remote, Real-Time Optical Imaging of Small Beamlets in Radiotherapy M Ashraf1*, P Bruza1 , N Nelson2 , D Gladstone1,2 , B Williams1,2 , L Jarvis2 , B Pogue1 ,2(1) Dartmouth College, Hanover, NH,(2) Dartmouth-Hitchcock Med. Ctr., Lebanon, NH, |
| WE-AB-303-6 | Evaluation of a Novel MR-Compatible 3D Scanner J Kim1*, T Mertens2 , D Du1 , A Doemer1 , J Dolan1 , I Xhaferllari3 , I Chetty1 , N Wen1 , (1) Henry Ford Health System, Detroit, MI, (2) LAP GmbH, Germany,(3) William Beaumont Hospital, Troy, MI |
| WE-C1000-GePD-F3-1 | A Streamlined Monthly QA Process Using a Novel Phantom W Weaver1*, S Bosma2 , (1) Alyzen Medical Physics, Jonesboro, AR, (2) University of Kentucky , Lexington, KY |
| WE-C1000-GePD-F3-2 | Artificial Profile Errors in Clinical IMRT Plans Were Poorly Detected with Patient Specific Commercial QA Phantom Tests T Paasonen1*, A Valve2 , A Kulmala3 , L Porra4 , A Saikkonen5 , A Vanhanen6 , M Tenhunen7 , (1) Helsinki University Hospital, Helsinki, 18, (2) ,Helsinki, ,(3) ,Helsinki, ,(4) ,Helsinki, ,(5) ,Turku, ,(6) ,Tampere, ,(7) ,Helsinki, |
| WE-C1000-GePD-F3-5 | Sensitivity of Enhanced Gamma Index to Patient Specific VMAT QA A Sethi1*, J Cozzi2 , H Lavvafi3 , J Ingram4 , R Patel5 , (1) Loyola Univ Medical Center, Maywood, IL, (2) University of Notre Dame, South Bend, ,(3) Loyola University Medical Center, Maywood, IL, (4) Loyola University Medical Center, Maywood, ,(5) Loyola University Medical Center, Chicago, IL |
| WE-C1030-GePD-F4-5 | Commissioning of Advanced Collapsed Cone Engine Algorithm for Brachytherapy J Swamidas*, S Parida , K Joshi , R Phurailatpam , S Panda , S Pradhan , Department of Radiation Oncology, ACTREC, Tata Memorial Center, Navi Mumbai, Maharashtra, India |
| WE-C1030-GePD-F7-2 | Introducing Uncertainty to Measurement Based RBE Assessment in Carbon Ion Radiotherapy S Hartzell1*, F Guan2 , O Vassiliev3 , C Peterson4 , P Taylor5 , S Kry6 , The University of Texas MD Anderson Cancer Center, Houston, TX |
| WE-C1030-GePD-F7-6 | A Supplemental Technique for Analysis of Pre-Treatment Quality Assurance B Allred1*, D Robertson1 , T DeWees1 , J Shen1 , J Gagneur1 , J Shan2 , W Liu1 , J Stoker1 , (1) Mayo Clinic, Phoenix, AZ (2) Arizona State University, Scottsdale, AZ |
| WE-C930-GePD-F6-5 | MR-Linac Image Distortion and Stability T Romaguera*, T Poozhikala , D Alvarez , A Gutierrez , V Mishra , A Godley , Miami Cancer Institute, Miami, FL |
| WE-C930-GePD-F7-6 | Spot Size and Position Analysis of a Pencil Beam Scanning System L Perles*, L Coutinho , S Rana , A Gutierrez , Miami Cancer Institute, Miami, FL |
| WE-F-SAN4-0 | EPID Machine QA Implementation and Automation, Are We There Yet? C Shi1*, M Barnes2*, B Sun3*, (1) Memorial Sloan Kettering Cancer Center, Marlboro, NJ, (2) Calvary Mater Hospital Newcastle, Newcastle, Australia, (3) Washington Univ. in St. Louis, St. Louis, MO |
| WE-F-SAN4-1 | Role of EPID in new linac commission and the SSIM concept for evaluation C Shi1*, M Barnes2*, B Sun3*, (1) Memorial Sloan Kettering Cancer Center, Marlboro, NJ, (2) Calvary Mater Hospital Newcastle, Newcastle, Australia, (3) Washington Univ. in St. Louis, St. Louis, MO |
| WE-F-SAN4-2 | Improving MPC and aligning better with TG-142 C Shi1*, M Barnes2*, B Sun3*, (1) Memorial Sloan Kettering Cancer Center, Marlboro, NJ, (2) Calvary Mater Hospital Newcastle, Newcastle, Australia, (3) Washington Univ. in St. Louis, St. Louis, MO |
| WE-F-SAN4-3 | Practical implementation of EPID-based QA for linac C Shi1*, M Barnes2*, B Sun3*, (1) Memorial Sloan Kettering Cancer Center, Marlboro, NJ, (2) Calvary Mater Hospital Newcastle, Newcastle, Australia, (3) Washington Univ. in St. Louis, St. Louis, MO |
| WE-HI-304-0 | Vendor Provided Data, Tools and Test Procedures K Smith1*, T Pawlicki2*, M Lee3*, J Kapatoes4*, (1) Mary Bird Perkins Cancer Center, Baton Rouge, LA, (2) UC San Diego, La Jolla, CA, (3) Varian Medical Systems, Palo Alto, CA, (4) Sun Nuclear Corporation, Melbourne, FL |
| WE-HI-304-1 | Vendor Provided Data, Tools and Test Procedures: Benefits and Concerns K Smith1*, T Pawlicki2*, M Lee3*, J Kapatoes4*, (1) Mary Bird Perkins Cancer Center, Baton Rouge, LA, (2) UC San Diego, La Jolla, CA, (3) Varian Medical Systems, Palo Alto, CA, (4) Sun Nuclear Corporation, Melbourne, FL |
| WE-HI-304-2 | Vendor Provided Data, Tools and Test Procedures: What Is Safe Practice? K Smith1*, T Pawlicki2*, M Lee3*, J Kapatoes4*, (1) Mary Bird Perkins Cancer Center, Baton Rouge, LA, (2) UC San Diego, La Jolla, CA, (3) Varian Medical Systems, Palo Alto, CA, (4) Sun Nuclear Corporation, Melbourne, FL |
| WE-HI-304-3 | The Linac Vendor Perspective K Smith1*, T Pawlicki2*, M Lee3*, J Kapatoes4*, (1) Mary Bird Perkins Cancer Center, Baton Rouge, LA, (2) UC San Diego, La Jolla, CA, (3) Varian Medical Systems, Palo Alto, CA, (4) Sun Nuclear Corporation, Melbourne, FL |
| WE-HI-304-4 | The 3rd Party QA Tool Provider Perspectove K Smith1*, T Pawlicki2*, M Lee3*, J Kapatoes4*, (1) Mary Bird Perkins Cancer Center, Baton Rouge, LA, (2) UC San Diego, La Jolla, CA, (3) Varian Medical Systems, Palo Alto, CA, (4) Sun Nuclear Corporation, Melbourne, FL |
| WE-J-301-8 | Impact of Delivery Characteristics On Dose Delivery Accuracy of Volumetric Modulated Arc Therapy for Different Treatment Sites J Li1*, X Zhang1 , J Li1 , R Jiang2 , J Sui2 , M Chan3 , R Yang1 , (1) Peking University Third Hospital, Beijing, (2) Institute of Automation, Chinese Academy of Sciences, Beijing, (3) Memorial Sloan Kettering Cancer Center, Basking Ridge, NJ |
