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IM | IM/TH | TH | show all

Taxonomy: TH- External beam- photons: Quality Assurance - IMRT

MO-K-DBRA-4Feasibility of Using Machine Learning Techniques to Predict the Results of VMAT Patient-Specific QC Measurements
DA Granville1*, JG Sutherland1,2,3 , DJ La Russa1,2,3 , (1) The Ottawa Hospital, Ottawa, ON, (2) The University of Ottawa, Ottawa, ON, (3) The Ottawa Hospital Research Institute, Ottawa, ON
SU-F-209-5Use of Small 3D Radiochromic Dosimeters and a Motion Phantom for Dose Verification of Dynamic MLC Tracking Radiotherapy
F Costa1*, M Menten1 , S Doran2 , J Adamovics3 , I Hanson1 , S Nill1 , U Oelfke1 , (1) The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, (2) CRUK Cancer Imaging Centre, The Institute of Cancer Research, London, (3) Rider University, Lawrenceville, NJ
SU-F-KDBRA2-7Secondary 3D Dose Verification for Online Adaptive Radiotherapy with MR-Linac
G Chen*, J Zhang , X Li , Medical College of Wisconsin, Milwaukee, WI
SU-H400-GePD-F4-6A Generalization of Gamma-Index-Analysis Methods to Evaluate the Agreement of Radiation Dose Distributions Varying by Three Or More Orders of Magnitude
L Wilson*, W Newhauser , Louisiana State University, Baton Rouge, LA
SU-H430-GePD-F4-2A Novel Mutual Information-Based Algorithm for IMRT/VMAT Quality Assurance
B Ebrahimi*, R Rahimi Darabad , K Padgett , N Dogan , University of Miami, Miami, FL
SU-H430-GePD-F4-6Multi-Institutional Analysis of Elekta Linear Accelerators Performance Using High-Resolution Log Files
C Kabat1*, D Defoor2 , P Myers3 , N Papanikolaou1 , S Stathakis1 , (1) UT Health San Antonio, Texas, (2) Texas Oncology - Longview, Texas, (3) Baylor College of Medicine, Houston, TX
SU-I-GPD-T-154VMAT Commissioning and Patient-Specific QA Using MatriXX Phantom
A Bao*, P Geis , Y Zheng , G Pereira , N Kuc Petchler , J Elconin , M Machtay , University Hospitals Cleveland Medical Center, Cleveland, OH
SU-I-GPD-T-178Effect of Detector Offset and Automatic Offset Correction On Portal Dosimetry for IMRT QA
S Ferguson*, H Jin , S Ahmad , Oklahoma university Health Science Ctr., Oklahoma City, OK
SU-I-GPD-T-179Development of An In-House Gamma Analysis Software for TomoTherapy Patient-Specific Quality Assurance (QA)
J Kim1*, K Park2 , J Kim2 , H Lee2 , (1) Yonsei Caner Center, Seoul,(2) Yonsei University College of Medicine
SU-I-GPD-T-182Modifying Portal Dosimetry Models to Match Portal Imager Response Improves Results for IMRT QA
R Lalonde1*, M Huq1,2 , D Heron1,2 , (1) UPMC Hillman Cancer Center, Pittsburgh, PA, (2) University of Pittsburgh Cancer Institute, Pittsburgh, PA
SU-I-GPD-T-184Prediction of IMRT/VMAT Quality Assurance Gamma Analysis Passing Rates Using Convolutional Neural Networks
B Ziemer1*, Y Iterian2 , T Solberg1 , G Valdes1 , (1) University of California San Francisco, San Francisco, CA, (2) University of San Francisco, San Francisco, CA
SU-I-GPD-T-188Predictive Gamma Passing Rate Based On Dose Uncertainty for Head-And-Neck and Prostate IMRT
E Shiba1,2*, A Saito1 , M Tsuneda1,3 , M Furumi2 , K Yahara2 , T Ohguri2 , Y Murakami1 , T Nishio3 , Y Korogi2 , Y Nagata1 , (1) Hiroshima University, Hiroshima, Japan, (2) Hospital of the University of Occupational and Environmental Health, Fukuoka, Japan, (3) Tokyo Women's Medical University, Tokyo, Japan
SU-I-GPD-T-194Impact of Different Treatment Planning Systems On Modulation Complexity for Prostate Volumetric Modulated Arc Therapy
M Itano1*, K Motegi2 , S Kanai3 , S Shirasaki4 , H Tachibana5 , (1) ,,,(2) National Cancer Center, Kashiwa, Chiba, (3) Funabashi Municipal Medical Center, Funabashi, Chiba, (4) Funabashi Municipal Medical Center, Funabashi, Chiba, (5) National Cancer Center Hospital East, Kashiwa,
SU-I-GPD-T-196Photon Beam Energy Dependence On IMRT QA for Brain Treatment Plan in Radiotherapy
I Khan1 , B Tahir1 , M Rafique1 , T Iqbal1 , A Zahoor1,2 , J Rehman3 , K Iqbal2 , J Chow4*, (1) University of Gujarat, Gujrat, Pakistan, (2) SKMH&RC, Lahore, Pakistan, (3) BUITEMS, Quetta, Pakistan, (4) Princess Margaret Cancer Centre, Toronto, ON
SU-I-GPD-T-200Investigating Causes to Unexplained Failures in IMRT QA
A Uejo*, J Gagneur , E Clouser , Mayo Clinic Arizona, Phoenix, AZ
SU-I-GPD-T-256Standardization of Sampling Radius Size for Treatment Planning Secondary Dose Calculation
T Cui*, Z Ouyang , S Kost , L Qiu , M Sands , K Verdecchia , J Donaghue , P Xia , The Cleveland Clinic Foundation, Cleveland, OH
SU-I-GPD-T-307RadCalc for Independent Dosimetric Validation of Plans Generated in Accuray Precision Treatment Planning System
T Romaguera*, D Alvarez , S George , V Mishra , A Gutierrez , Miami Cancer Institute, Miami, FL
SU-K-KDBRA1-1A Novel Learning Approach for Predicting MLC Positioning During Dynamic IMRT Delivery
A Osman1*, N Maalej2 , K Jayesh3 , (1) American University of Beirut Medical Center, Beirut, Lebanon,(2) King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia,(3) American Hospital Dubai, Dubai, UAE
SU-L-KDBRA1-1A Machine Learning-Based Approach to Specify the Cause of Error in IMRT Patient Specific QA
S Utsunomiya1*, M Sakai1 , H Koarai1 , T Takizawa2 , N Kushima2 , S Tanabe2 , H Aoyama3 , (1) Graduate School of Health Sciences, Niigata University, Niigata, Japan, (2) Niigata University Medical and Dental Hospital, Niigata, Japan, (3) Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
TH-AB-KDBRA1-2A Method for Failure Prediction and Preventative Maintenance of Multi-Leaf Collimators Via Log Files
D Moyer*, E Wolf , N Kumar , B McGill , M Lamba , D Ionascu , University of Cincinnati, Cincinnati, OH
TU-C930-GePD-F3-4Using a QA Test System to Determine Mechanical Tolerance Limits of Linacs for Highly Complex Treatment Plans
J Stroom*, A Taborda , S Vieira , C Greco , Champalimaud Centre for the Unknown, Lisbon, Lisbon
TU-C930-GePD-F3-5A Deep Learning-Based Prediction Model for Gamma Evaluation in Patient-Specific Quality Assurance
S Tomori1,2*, N Kadoya2 , Y Takayama2 , T Kajikawa2 , K Shima1 , K Narazaki1 , K Jingu2 , (1) National Hospital Organization Sendai Medical Center, Sendai, Japan(2) Tohoku University, Sendal, Japan
WE-C930-GePD-F7-3Development of Novel Heterogeneous Anthropomorphic Head and Neck Phantom Using 3D Printer for IMRT Patient Specific Quality Assurance
N Kadoya1*, K Abe1 , H Nemoto1 , K Sato2 , Y Ieko1 , K Ito1 , Y Takayama1 , T chiba1 , S Dobashi1 , K Takeda1 , K Jingu1 , (2) Tohoku University Graduate School of Medicine, Sendai, Japan,(2) Tohoku University Hospital, Sendai, Japan
WE-FG-KDBRA1-8Independent Recalculation Outperforms Traditional Measurement-Based IMRT QA Methods in Detecting Unacceptable Plans
S Kry*, M Glenn , D Branco , H Mehrens , A Steinmann , C Peterson , D Followill , MD Anderson Cancer Ctr., Houston, TX