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Taxonomy: TH- External Beam- Photons: Quality Assurance - IMRT/VMAT
| MO-E115-IePD-F4-1 | A Phantom for Dosimetric Quality Assurance of Non-Coplanar and Mixed Beam Treatment Techniques S Mueller*, W Volken, G Guyer, H A Loebner, J Bertholet, D Frei, P-H Mackeprang, C Zhu, P Manser, M K Fix, Division of Medical Radiation Physics and Department of Radiation Oncology, Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland |
| MO-E115-IePD-F4-3 | Lung SBRT VMAT QA Benchmark and Prediction Using a Random-Forest Model with Weighted Gamma Passing Rate and Histogram-Based Features C He1,2*, A Le2, (1) University at Buffalo, Buffalo, NY, (2) Roswell Park Cancer Institute, Buffalo, NY |
| MO-E115-IePD-F4-4 | Variational Clustering: Toward Unsupervised Machine Learning-Based Error Detection in Patient-Specific IMRT QA J Perez-sanchez*, B Lu, S Samant, J Li, C Liu, G Yan, University of Florida, Gainesville, FL |
| MO-H345-IePD-F3-4 | Comparing ArcCHECK and Portal Dosimetry Gamma Index Scores for VMAT TBI J Rembish*, S Taneja, K Osterman, N Bice, J Teruel, D Barbee, NYU Langone Health, New York, NY |
| PO-GePV-M-227 | Evaluation of Delivered Dose Using Synthetic CT for MR-Guided and CT-Guided Radiotherapy H Wang1*, (1) UT MD Anderson Cancer Center, Houston, TX |
| PO-GePV-T-197 | A Clinically Relevant Online Patient QA Solution for Adaptive Radiation Therapy with Daily CT Scans and EPID-Based in Vivo Dosimetry: A Feasible Study On Rectal Cancer L Chen*, J Wang, B Feng, L Yu, j zhao, W Hu, Z Zhang, Fudan University Shanghai Cancer Center, Shanghai, ShanghaiCN, |
| PO-GePV-T-199 | Development of the Prediction Model of Multi-Leaf Collimator Position Errors Using the Characteristics of Error-Related Patterns in Non-Heterogeneous Conditions H Sheen1*, H Shin2, H Kim3, C Kim4, J Kim5, J Kim6, C Hong7, (1) Heesoon Sheen1,*, Han-Back Shin2,*, Hojae Kim3, Changhwan Kim2, Jihun Kim2, Jin Sung Kim2, Chae-Seon Hong2,a) Author Institutions: 1Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University 2Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, South Korea 3Department of Radiation Oncology, Yonsei Cancer Center, Seoul, South Korea |
| PO-GePV-T-202 | The Deliverability of Dynamic Conformal Arc Therapy (DCAT) and Its Influence On Patient Dose C Kim1*, H Kim2, D Jung2, D Kim1**, J Kim1, (1) Department of Radiation Oncology, Yonsei University College of Medicine, Seoul, KR, (2) Department of Radiation Oncology, Yonsei Cancer Center, Seoul, KR |
| PO-GePV-T-221 | Application Research of Position Calibration Function of Octavius®‐4D System in Oncology Radiotherapy Dose Verification L Duan1*, W Qi2, Y Chen3, W Shen4, J Chen5, (1) Ruijin Hospital Shanghai Jiao Tong University, Shanghai, ,CN, (2) ,,,(3) ,,,(4) ,,,(5) Department of Radiation Oncology, Ruijin Hospital, Shanghai, 31, CN |
| PO-GePV-T-222 | Investigating a Correlation Between MLC Positional Errors and IMRT QA Passing Rate Ahmed E. Yousif1,4, Mahmoud H. Abdelgawad2, Ahmed Eldib2,3*, Somia M. El-Sayed4, M. S. Talaat1, (1) Physics Department, Faculty Of Science, Ain-shams University, Cairo, Egypt(2) Physics Department, Faculty Of Science, Al-Azhar University, Cairo, Egypt(3) Fox Chase Cancer Center, Philadelphia, PA, USA (4) Radiation Oncology Department, Faculty Of Medicine, Ain-shams University,Cairo, Egypt |
| PO-GePV-T-223 | Gradient Compensation Versus TG-218 Gamma Analysis for Patient-Specific Quality Assurance G DeFillippo* S Mashouf, P Teo, J Foy, G Khelashvili, P Yadav, M Gopalakrishnan*, I Das, Northwestern University Feinberg School of Medicine, Chicago, IL |
| PO-GePV-T-224 | On Mitigating the Effects of Imaging Dose During Patient Specific QA On a Moving ArcCheck Phantom Using the Accuray Radixact Real Time Tracking System R Teboh Forbang*, B Lewis, A Ndlovu, Hackensack University Medical Center, Hackensack, NJ |
| PO-GePV-T-226 | A Shifted Setup Method of Patient-Specific QA for Off-Centered Targets Treated On An MR-Linac S Thrower, M Vaccarelli, M Muruganandham, J Yang*, UT MD Anderson Cancer Center, Houston, TX |
| PO-GePV-T-229 | Comparison of Sun Nuclear ArcCHECK and IBA MatriXX Resolution for Patient Specific IMRT QA A Boria*, Z Su, P Sabouri, G Narayanasamy, F Kalantari, University of Arkansas for Medical Sci, Little Rock, AR |
| PO-GePV-T-230 | Patient-Specific Quality Assurance Multi-Leaf Collimator Error Detection: Comparison of EPID and Array-Based Methods S Roles*, J Winiecki, A Rapchak, G Owen, C Mart, D McDonald, W Godwin, M Maynard, J Peng, Medical University of South Carolina, Charleston, SC |
| PO-GePV-T-231 | Evaluation and Improvement of Angular Response for a Commercial 2D Detector Array for Patient Specific QA Sha Wang1*, Y Zheng1, (1) ,Guangzhou Concord Cancer Center, 44, CN, |
| PO-GePV-T-234 | Clinical Implementation of Logfile Based Patient Specific QA S Stathakis1*, T Cuthbert1, P Mavroidis2, (1) Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX, (2) University of North Carolina, Chapel Hill, NC |
| PO-GePV-T-235 | A Synthesized Gamma Map-Based Patient-Specific VMAT QA Using a Generative Adversarial Network T Matsuura1,2*, D Kawahara2, A Saito3, K Yamada1, S Ozawa1,2, Y Nagata1,2, (1) Hiroshima High-Precision Radiotherapy Cancer Center, Hiroshima, JP, (2) Hiroshima University, Hiroshima, JP, (3) Hiroshima University Hospital, Hiroshima, JP |
| PO-GePV-T-237 | Using a Commercially Available System for MLC Logfile Based Delivery Verification and Plan Evaluation S Stathakis1*, T Cuthbert1, W Jones3, P Mavroidis4, (1) Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX, (2) UT Health Sciences Center, San Antonio, TX, (3) University of North Carolina, Chapel Hill, NC |
| PO-GePV-T-239 | Per-Fraction Deviation in Logfile Parameters Reported in a Single VMAT Arc M Snyder1*, D To1, D Drake1, J Liang1, D Lack2, (1) Beaumont Health, Royal Oak, MI, (2) Beaumont Health, Troy, MI |
| PO-GePV-T-240 | IMRT QA Result Prediction by MLC Transmission Decomposition J Stasko*, W Ferris, D Adam, W Culberson, S Frigo, University of Wisconsin-Madison, Madison, WI |
| PO-GePV-T-241 | A Simple and Cost-Effective System for Pre-Delivery Patient-Specific and Weekly Quality Assurance Based On Log File Analysis A Fomujong1*, P Imandi1, R Teboh Forbang2, P Mobit1, (1) Cameroon Oncology Center, (2) Hackensack University Medical Center, Hackensack, NJ, |
| PO-GePV-T-242 | Identifying Poor SBRT Plan Performance Using IMRT QA and Complexity Metrics M Glenn*, E Ford, M Kim, University of Washington, Seattle, WA |
| PO-GePV-T-244 | Initial Evaluation of ArcCHECK Integration with the SunCHEK QA Platform C Stambaugh*, E Meyer, C Melhus, Tufts Medical Center, Boston, MA |
| PO-GePV-T-245 | Dependence of Log File Based IMRT QA of Lung SBRT Plans On TPS Dose Algorithm G Baltz*, R Manigold, S Kirsner, Scripps M.D. Anderson Cancer Center, San Diego, CA |
| PO-GePV-T-289 | Model Based Setting Optimization for Patient Specific Quality Assurance of Clinical Plans Calculated Using Acuros XB T Chen1*, H Wang2, J Xue3, J Teruel4, A Mccarthy5, P Galavis6, D Barbee7, (1) New York University, New York, NY, (2) NYU Langone Health, New York, NY, (3) NYU Langone Health System, New York, NY, (4) NYU Langone Health, Long Island City, NY, (5) Nyu Langone Health, ,,(6) NYU Langone Health, New York, NY, (7) NYU Langone Health System, New York, NY |
| PO-GePV-T-291 | Correlation Between Modulation Indices and Gamma Passing Rate for Different Treatment Sites E Salari*, N Sperling, E Parsai, University of Toledo Medical Center, Toledo, OH |
| PO-GePV-T-309 | Impact of CT-To-Density Table On Plan Quality C Yan*, Cleveland Clinic, Independence, OH |
| PO-GePV-T-310 | Implementation and Validation of a Couch Model in RayStation TPS E DeLuca*, E Cichewicz, University of Toledo Medical Center, Toledo, OH |
| PO-GePV-T-345 | Logfile Based Dose Delivery Verification Using a 3rd Party 3D Dose Calculation Software A Alvarez*, K Kelly, M Naessig, M Bonnen, N Papanikolaou, S Stathakis, University of Texas HSC SA, San Antonio, TX |
| PO-GePV-T-346 | Dosimetric and Radiobiological Evaluation of the Dose Distributions From the Treatment Plan and Logfiles in Head & Neck Radiotherapy T Cuthbert1*, P Mavroidis2, W Jones3, S Stathakis4, (1) UT Health Sciences Center, San Antonio, TX, (2) University of North Carolina, Chapel Hill, NC, (3) University of Texas HSC San Antonio, San Antonio, TX,(4) Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX |
| PO-GePV-T-347 | Secondary Monitor Unit Verification Comparison Between Single Point and 3D Dose Calculations K Kelly*, A Alvarez, M Naessig, T Wagner, N Papanikolaou, S Stathakis, University of Texas HSC SA, San Antonio, TX |
| PO-GePV-T-348 | Comparison of Monte Carlo Computed Gamma Indices and Measured Patient Specific IMRT QA Results K Kelly*, M Naessig, A Alvarez, M Bonnen, N Papanikolaou, S Stathakis, University of Texas HSC SA, San Antonio, TX |
| PO-GePV-T-349 | Independent 3D Dose-Volume Verification for Brainlab Elements MultiMet Patients M Naessig*, K Kelly, A Alvarez, T Wagner, E Galvan, N Papanikolaou, S Stathakis, University of Texas HSC SA, San Antonio, TX |
| PO-GePV-T-363 | Compact System for 4D Treatment Planning and Dose Verification Based On Flexible Movement C Nunes1*, E Jimenez-ortega2, R Linares-Doblado3, A Leal Plaza4, (1) University Of Seville, ,,(2) University Of Seville, ,,(3) Hospital Quironsalud Infanta Luisa, Seville, ,ES, (4) University of Seville, Seville, Seville, ES |
| PO-GePV-T-379 | Assessment of Commercial Patient Specific Quality Assurance (PSQA) Devices for LINAC-Based Stereotactic Radiotherapy Plans S James1,2, E Elder2-3, C Huh1, A Al-Basheer1*, A Maghsoodpour1, J Barrett1, F Mostafaei1, (1) Augusta University, (2) Georgia Institute of Technology, (3) Emory University |
| PO-GePV-T-381 | Dose Rate Versus Gantry Speed Performance Evaluation for SRT/SBRT Treatment Deliveries Using DICOM RT Plans A Bredikin*, M Walsh, MD Anderson Cancer Center at Cooper, Voorhees, NJ |
| SU-F-BRA-1 | Complexity and Treatment Parameters Impact On IROC Head and Neck Phantom Performance Evaluated Using Random Forest H Mehrens*, N Hernandez, B Lewis, A Molineu, S Kry, The University of Texas MD Anderson Cancer Center, Houston, TX |
| SU-F-BRA-4 | How Well Does the IROC H&N Phantom Serve as a Surrogate for Different Anatomical Sites? F Brooks1,2*, M Glenn3, C Peterson1, C Nelson1, C Clark4, J Pollard-Larkin1, R Howell1,2, S Kry1,2, (1) MD Anderson Cancer Center, Houston, TX, (2) IROC Houston QA Center, Houston, TX, (3) University of Washington, Seattle, WA, (4) UCLH, London, SRY, GB, |
| SU-H430-IePD-F7-6 | Investigating the Ability of Patient-Specific QA Devices to Detect Changes in Dose Distribution Due to MLC Positioning Errors in Stereotactic Radiotherapy Plans S James1,2, E Elder2-3, C Huh1, A Al-Basheer1*, J Barrett1, F Mostafaei1, (1) Augusta University, (2) Georgia Institute of Technology, (3) Emory University |
| SU-I400-BReP-F3-3 | An Independent Dose Calculation Method for MR-Guided Radiotherapy with Elekta Unity MR-Linac X Chen*, M Hwang, S Oh, J Sohn, Allegheny Health Network, Pittsburgh, PA |
| TH-B-BRA-3 | Development of Scintillator-Based Real-Time Dosimetry for Dosimetric and Mechanical Evaluations of IMRT D Lee1,2, S Kim2, H Cho1, Y Han2,3*, (1) Yonsei University, Wonju, KR, (2) Samsung Medical Center, Seoul,KR, (3) Sungkyunkwan University School of Me, Seoul, KR |
| TU-D1030-IePD-F7-5 | Preliminary Evaluation of the High-Resolution Diode Array for ZAP-X Dosimetry Y Niu*, Y Yuan, A Rashid, D Pang, Medstar Georgetown University Hospital, Washington, DC |
| TU-D930-IePD-F4-4 | Benchmarking Publicly Available Knowledge-Based Planning Models with An In-House Trained Model J Zhang*, J Wolf, K Luca, O Kayode, J Bradley, X Yang, T Liu, J Roper, Emory University, Atlanta, GA |
| TU-H-BRA-4 | Complexity and Treatment Parameters Impact On IROC Lung Phantom Performance Evaluated Using Random Forest H Mehrens*, B Lewis, N Pajot, P Taylor, P Alvarez, A Molineu, S Kry, UT MD Anderson Cancer Center - IROC, Houston, TX |