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Taxonomy: TH- External Beam- Photons: Quality Assurance - IMRT/VMAT
| BReP-SNAP-M-148 | Using An Independent Dose Calculation System to Optimize Clinical Thresholds and Reduce the Number of Physical Dose Measurements Required for Patient-Specific Quality Assurance K Hasse*, B Ziemer, Y Natsuaki, G Valdes, E Hirata, T Solberg, J Scholey, A Witztum, UCSF Comprehensive Cancer Center, San Francisco, CA |
| BReP-SNAP-T-57 | Error Detection and Classification in Patient Specific IMRT QA with Dual Neural Networks N Potter*, K Mund, J Andreozzi, J Li, C Liu, G Yan, University of Florida, Gainesville, FL |
| BReP-SNAP-T-90 | Institutional Performance On IROC Phantom as a Function of Phantom Type: A Multi-Variate Analysis S Edward*, S Kry, D Followill, C Peterson, A Molineu, P Taylor, P Alvarez, The University of Texas MD Anderson Cancer Center, Houston, TX |
| PO-GeP-P-19 | Validation of Dosimetric Commissioning Accuracy OfIMRT and RapidArc for Halcyon Linear Accelerator Using AAPM TG-119 Protocol B Yang*, L Yu, Z Wang, W Li, J Zhang, T Pang, K Hu, F Zhang, J Qiu, Peking Union Medical College Hospital, Beijing, 11CN, |
| PO-GeP-P-87 | Dose Verification of Constant Dose Rate and Constant Gantry Speed Arc Therapy (CDRCAS-IMAT) Planning Using 2D Detector Array R Zhang1, W Bai2*, Y Feng1, W Jiang1, H Meng1, (1)Department of Biomedical Engineering, Tianjin University, Tianjin, China (2)The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei |
| PO-GeP-P-97 | Best Practice Guidance for Patient-Specific Quality Assurance for IMRT and VMAT Plan Delivery Verification G Chan1*, A Abdellatif2, J Bissonnette3, L Chin4, D Comsa5, D Granville6, J Kraus Himmelman7, J King8, P Rapley9, A Vandermeer10, (1) Juravinski Cancer Center, Hamilton, ON, CA, (2) R.S. McLaughlin Durham Regional Cancer Centre, Oshawa, ON, CA, (3) Princess Margaret Cancer Centre, Toronto, ON, CA, (4) Odette Cancer Centre, Toronto, ON, CA, (5) Stronach Regional Cancer Centre, Newmarket, ON, CA, (6) The Ottawa Hospital, Ottawa, ON, CA, (7) Ontario Health (Cancer Care Ontario), Toronto, ON, CA, (8) Simcoe Muskoka Regional Cancer Centre, Barrie, ON, CA, (9) Thunder Bay Regional Health Sciences Center, Thunder Bay, ON, CA, (10) R.S. McLaughlin Durham Regional Cancer Centre, Oshawa, ON, CA |
| PO-GeP-T-18 | A Database-Driven Verification System for CT Simulation, Contouring and Plan Optimization M Ayles*, P Munger, D Martin, M Brunet-Benkhoucha, G Jarry, L Archambault, Hopital Maisonneuve-Rosemont, Montreal, QCCA, |
| PO-GeP-T-74 | A Systematic Study On the Angular Dependence of 2D Ion Chamber Array for Accurate IMRT Plan Quality Assurance J Xu*, J Liu, I Veltchev, C Ma, Fox Chase Cancer Center, Philadelphia, PA |
| PO-GeP-T-101 | An Investigation Into VMATPatient-Specific QA Pass Rates Influenced by Linac Performance S Kucuker Dogan1*, D Schulze1, M Gopalakrishnan1, D Cutright2, (1) Northwestern Memorial Hospital, Chicago, IL, (2) University of Chicago Medicine, Chicago, IL |
| PO-GeP-T-111 | Aperture Area in IMRT Studied Via Accumulated Dose Uncertainty Potential E Shiba1,2*, A Saito2, M Furumi1, D Kawahara2, K Miki2, Y Murakami2, T Ohguri1, S Ozawa3, M Tsuneda4, K Yahara1, T Nishio4, Y Korogi1, Y Nagata2, (1) University of Occupational and Environmental Health, Fukuoka, JP, (2) Hiroshima University, Hiroshima, JP, (3) Hiroshima High-precision Radiotherapy Cancer Center, Hiroshima, JP, (4) Tokyo Women's Medical University, Tokyo, JP |
| PO-GeP-T-121 | Assessing the Effect of Multiple Delivery Parameters in Patient-Specific QA for Poor Pass-Rates Using A Diode Array and Treatment Plans From Two Different Planning Systems J Bogue*, E Parsai, University of Toledo Medical Center, Toledo, OH |
| PO-GeP-T-134 | Automated MLC QA Using XML Script and Developer Mode in TrueBeam C Venencia1*, A Alarcon2, (1) Instituto Zunino, Cordoba, Cordoba, AR, (2) Instituto de Radioterapia, Cordoba, AR |
| PO-GeP-T-143 | Automatic Selection of An Absolute-Dose Verification Point for Volumetric-Modulated Arc Therapy Via Dose Uncertainty Potential Accumulation Model A Saito1*, T Nakashima1, D Kawahara1, E Shiba2,1, T Matsuura3,1, K Fukata4, K Miki1, M Tsuneda5, T Nishio5, Y Nagata1, (1) Hiroshima University, Hiroshima, JP, (2) University of Occupational and Environmental Health, Fukuoka, JP, (3) Hiroshima High-precision Radiotherapy Cancer Center, Hiroshima, JP, (4) Keio University, Tokyo, JP, (5) Tokyo Women's Medical University, Tokyo, JP |
| PO-GeP-T-171 | Characterization of IMRT, SBRT and SRS Patient Plan Quality Assurance of a Novel Biology-Guided Radiotherapy (BgRT) Machine D Zaks1*, A Purwar2, M Narayanan3, S Khan4, J White5, A Da Silva6, C Han7, J Liang8, D Du9, A Liu10, Y Voronenko11, D Pal12, D Rigie13, J Burns14, G Kuduvalli15, (1) RefleXion Medical, Hayward, CA, (2) RefleXion Medical, Hayward, CA, (3) Reflexion Medical, Hayward, CA, (4) Reflexion Medical, Hayward, CA, (5) Reflexion Medical, Hayward, CA, (6) RefleXion Medical,Hayward, CA, (7) City of Hope Medical Center, Duarte, CA, (8) City of Hope Medical Center, Duarte, CA, (9) City of Hope Medical Center, Duarte, CA, (10) City of Hope Medical Center, Duarte, CA, (11) RefleXion Medical, Hayward, CA, (12) RefleXion Medical ,Hayward, CA, (13) Reflexion Medical, Hayward, CA, (14) Reflexion Medical, Hayward, CA,(15) Reflexion Medical, Hayward, CA |
| PO-GeP-T-190 | Clinical Implementation of TG-218: Process-Based IMRT Analytics B Granger1*, J McGlade1, F Mourtada1, (1) Christiana Care Hospital, Newark, DE |
| PO-GeP-T-303 | Development of the Scintillator Imaging System for the Measurement of the Dose Volume with High-Sampling Rate M Tsuneda1*, T Nishio1, T Ezura2, K Karasawa1, (1) Tokyo Women's Medical University, Shinjuku-ku, Tokyo, JP, (2) Kanagawa Cancer Center, Yokohama, Kanagawa, JP |
| PO-GeP-T-310 | Dose Prediction for Patient-Specific QA Using a Convolutional Neural Network K Mund*, G Yan, University of Florida, Gainesville, FL |
| PO-GeP-T-385 | Error Detection Sensitivity of the SNC and PTW Patient-Specific Qualityassurance Devices B Rudek1*, M Manavalan2, J Xue1, (1) NYU Langone Health, New York, NY, (2) PTW North America Corporation, New York, NY |
| PO-GeP-T-396 | Evaluation of a Diode Array for Patient Specific QA of An Automated VMAT SRS System R Popple*, R Sullivan, Y Yuan, X Wu, University of Alabama at Birmingham, Birmingham, AL |
| PO-GeP-T-399 | Evaluation of a Novel EPID Based Dosimetry System for Verification of VMAT QA in Comparison with Traditional 3D Detector Quality Assurance R Varadhan1*, S Way2, C Overbeck3, M Bedoya4, A Jahagirdar5, R Malmin6, R Malmin7, (1) Minneapolis Radiation Oncology, ,,(2) Minneapolis Radiation Oncology, ,,(3) Minneapolis Radiation Oncology, ,,(4) Minneapolis Radiation Oncology, ,,(5) Edina High School, ,,(6) Minneapolis Radiation Oncology, |
| PO-GeP-T-419 | Evaluation of the Optimal Collimator Angle in a Prostate VMAT Plan Using a Novel MLC QA with a High Sampling Rate Log File S Nishiyama*, M Seo, K Makabe, M Kuramochi, T Suzuki, H Tomita, |
| PO-GeP-T-427 | Evaluation of Various Modulation Indices for Predicting VMAT Delivery Accuracy T Kusunoki1,2*, S Hatanaka2, M Hariu2, M Shimbo2, T Ezura1, D Yoshida1, T Takahashi2, (1) Kanagawa Cancer Center, Yokohama, Kanagawa, JP, (2) Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama, JP, |
| PO-GeP-T-431 | Examining ArcCHECK Array Calibration Validity and Its Impact On Patient Specific QA Results H Nusrat1,2*, L Lukhumaidze1, A Singh1, P Au1, Y Lee1,2, M Davidson1,2, (1) Department of Medical Physics, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, ON, CA, (2) Department of Radiation Oncology, University of Toronto, Toronto, ON, CA |
| PO-GeP-T-447 | Feasibility of End-To-End Quality Assurance of FSRT Brain Treatments Using An In-House Developed Anthropomorphic Head Phantom KM Alexander1, K Dekker1, T Olding1,2, LJ Schreiner2*, (1) Cancer Centre Of Southeastern Ontario At Kingston Health Sciences Centre, Kingston, ON, CA, (2) Queen's University, Kingston, ON, CA |
| PO-GeP-T-508 | Improved Prediction of MLC and Gantry Errors During VMAT Delivery Utilizing An Artificial Neural Network I Hajizadeh*, M Price, A Yock, Vanderbilt Univ. Medical Ctr., Nashville, TN |
| PO-GeP-T-564 | Linac-Based SBRT Delivery QA and Decreased Gamma Criteria R Price*, I Veltchev, T Lin, A Eldib, L Chen, X Chen, L Jin, L Wang, J Liu, C Ma, Fox Chase Cancer Center, Philadelphia, PA |
| PO-GeP-T-582 | Modeling and Testing of a Virtual Source Model for An Independent Monte Carlo Radiation Dose QA Software with the Magnetic Field Option Q Cheng1*, H Yang1, Y Xu2, X Pei2,3, L Mao2, Q Ren3, A Wu5, D Adam4, B Bednarz4, P Caracappa6, X Xu1,2, (1) Rensselaer Polytechnic Institute, Troy, NY, (2) University of Science and Technology of China, Hefei, ,CN, (3) Anhui Wisdom Technology Company Limited, Hefei, ,CN, (4) University of Wisconsin- Madison, Madison, WI, (5) The First Affiliated Hospital of University of Science and Technology of China, Hefei, ,CN, (6) Virtual Phantoms, Inc., Albany, NY |
| PO-GeP-T-586 | Modulation Complexity Score Evaluation for Multitarget Site Planning Using VMAT and IMRT Technique Gopishankar Natanasabapathi*, Dhanabalan Rajasekharan, Surendra Kumar Saini, Vellaiyan Subramani, Laviraj Macherla, Rajkishor Bisht, Dayanand Sharma, Subash Chander, Gourakishor Rath, All India Institute of Medical Sciences, New Delhi, India |
| PO-GeP-T-606 | On the Feasibility of Angle-Resolved Portal Dosimetry for Patient Specific Quality Assurance of VMAT Plans E Draeger*, W Donahue, Z Chen, Yale University School of Medicine, New Haven, CT |
| PO-GeP-T-632 | Patient-Specific Quality Assurance Using Trajectory Log File-Based Dose Reconstruction for SRS VMAT H Park1*, J Park2, M Artz2, S Huh2, (1) Ajou University School of Medicine, Suwon, KR (2) University of Florida Health Proton Therapy Institute, Jacksonville, FL, USA |
| PO-GeP-T-655 | Predictive Gamma Passing Rate of 3D Array Detector-Based VMAT QA Via Deep Learning Combining Dose Distribution and Accumulated Dose Uncertainty Potential Distribution T Matsuura1,2*, D Kawahara2, A Saito3, E Shiba4, K Yamada1, S Ozawa1,2, Y Nagata1,2, (1) Hiroshima High-precision Radiotherapy Cancer Center, JP, (2) Hiroshima University, JP, (3) Hiroshima University Hospital, JP, (4) University of Occupational and Environmental Health, JP |
| PO-GeP-T-676 | Quantified VMAT Plan Complexity in Relation to Measurement-Based Quality Assurance Results M Nguyen*, G Chan, Juravinski Cancer Center, Hamilton, ON, CA |
| PO-GeP-T-716 | Sensitivity of Detecting MLC Positioning Errors for SBRT Treatment at Halcyon Linac J Allen*, W Luo, D Pokhrel, University of Kentucky, Lexington, KY |
| PO-GeP-T-759 | The Correlation of MLCleaf Trajectory Errors and Gamma Passing Rates of Patient-Specific ArcCheck-Based QA for Varian TrueBeam VMAT Y Watanabe*, L Claps, University of Minnesota, Minneapolis, MN |
| PO-GeP-T-778 | The Impact of Standardization of Gamma Criteria On Imaging Radiation Oncology Core Phantoms Analysis F Brooks1*, M Glenn1, M Hussein2, C Clark3, J Lye4, J Lehmann5, I Silvestre2, S Kry1, (1) The University of Texas MD Anderson Cancer Center, Houston, TX, US, (2) National Physics Laboratory, Teddington, UK, (3) Royal Marsden Hospital, London, UK, (4) Australian Clinical Dosimetry Service, ARPANSA, Melbourne, AU, (5) Newcastle Mater Hospital, Newcastle, AU |
| PO-GeP-T-779 | The Impact of the Source-Imager-Distance On the Results of EPID-Based Patient-Specific QA G Kuzmin*, P Xia, P Qi, The Cleveland Clinic Foundation, Cleveland, OH |
| PO-GeP-T-824 | Use of Octavius 4D for the Patient Specific Dose Validation of Single-Isocenter Multiple Brain Metastasis Stereotactic Radiosurgery J McCulloch*, J Pawlowski, N Kirby, K Rasmussen, Z Shi, P Myers, S Stathakis, N Papanikolaou, D Saenz, Mays Cancer Center - MD Anderson Cancer Center, San Antonio, TX |
| PO-GeP-T-826 | Using a Commercial Convolution/Superposition Dose Engine for MR-LINAC On-Line Plan QA Y Li1*, T Song2, B Wang1, S Ding1, H Liu1, Y XIA1, X HUANG1, (1) Sun Yat-sen University Cancer Center, Guangzhou, ,CN, (2) Southern Medical University, Guangzhou, Guangdong, CN |
| PO-GeP-T-832 | Using Varian Eclipse as An Independent MU Check for MRI-Guided Radiation Therapy J Yang*, P Zhang, N Tyagi, P Godoy Scripes, J Mechalakos, A Li, D Lovelock, S Lim, Memorial Sloan-Kettering Cancer Center, New York, NY |
| PO-GeP-T-842 | Validation of COMPASS for Pre-Treatment Patient-Specific Quality Assurance S Sharma*, M Sairem, A Binjola, V Subramani, S Chander, All India Institute Of Medical Sciences |
| SU-E-TRACK 3-1 | BEST IN PHYSICS (THERAPY): The Role of Beam Modeling Errors in IROC Houston Phantom Failures M Glenn*, C Peterson, R Howell, D Followill, J Pollard-Larkin, S Kry, The University of Texas MD Anderson Cancer Center, Houston, TX, USA |