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Prediction and classification of gamma passing rate for patient-specific quality assurance using machine learning models based on radiomics features and beam parameters

Nuclear Engineering and Technology
The aim of this work is to predict and classify the gamma passing rate (GPR) values for intensity-modulated radiation therapy plans at the pelvis site utilizing radiomics features and beam features combined with machine learning.
Hongyun Shi, Shuai Qie
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Development of a plan complexity mitigation algorithm based on gamma passing rate predictions for volumetric‐modulated arc therapy

Medical Physics, 2022
AbstractBackground and purposeVolumetric‐modulated arc therapy (VMAT) is a complex rotational therapy technique in which highly conformal dose distribution can be realized by varying the speed of gantry rotation, multileaf collimator (MLC) shape, and dose rate.
Tomohiro, Ono, Mitsuhiro, Nakamura, Yuka, Ono, Kiyonao, Nakamura, Takashi, Mizowaki   +4 more
openaire   +2 more sources

Predicting gamma passing rates for portal dosimetry‐based IMRT QA using machine learning

Medical Physics, 2019
PurposeIntensity‐modulated radiation therapy (IMRT) quality assurance (QA) measurements are routinely performed prior to treatment delivery to verify dose calculation and delivery accuracy. In this work, we applied a machine learning‐based approach to predict portal dosimetry based IMRT QA gamma passing rates.Methods182 IMRT plans for various treatment
Dao, Lam, Xizhe, Zhang, Harold, Li, Yang, Deshan, Brayden, Schott, Tianyu, Zhao, Weixiong, Zhang, Sasa, Mutic, Baozhou, Sun   +8 more
openaire   +2 more sources

SU‐E‐T‐441: Gamma Passing Rates for IMRT QA and VMAT QA

Medical Physics, 2015
Purpose:This study compares gamma passing rates for a cohort of similar intensity modulated radiotherapy (IMRT) and volumetric modulated arc therapy (VMAT) quality assurance (QA) plans to determine the equivalence of the patient specific QA plan delivery.
E Kremmel, T Giaddui, J Keller, M Fu, C Peng, L Doyle, Y Yu, A Harrison   +7 more
openaire   +1 more source

Tomotherapy treatment plan quality assurance: The impact of applied criteria on passing rate in gamma index method

Medical Physics, 2013
Purpose:Pretreatment patient plan verification with gamma index (GI) metric analysis is standard procedure for intensity modulated radiation therapy (IMRT) treatment. The aim of this paper is to evaluate the variability of the local and global gamma index obtained during standard pretreatment quality assurance (QA) measurements for plans performed with
Sara, Bresciani, Amalia, Di Dia, Angelo, Maggio, Claudia, Cutaia, Anna, Miranti, Erminia, Infusino, Michele, Stasi   +6 more
openaire   +2 more sources

Moving from gamma passing rates to patient DVH-based QA metrics in pretreatment dose QA

Medical Physics, 2011
Heming Zhen, Benjamin E Nelms, Wolfgang A Tome   +2 more
exaly   +2 more sources

Evaluation of DVH-based treatment plan verification in addition to gamma passing rates for head and neck IMRT

Radiotherapy and Oncology, 2014
Treatment plan verification of intensity modulated radiotherapy (IMRT) is generally performed with the gamma index (GI) evaluation method, which is difficult to extrapolate to clinical implications. Incorporating Dose Volume Histogram (DVH) information can compensate for this.
Ruurd Visser, David J.L. Wauben, Martijn de Groot, Roel J.H.M. Steenbakkers, Henk P. Bijl, Jeremy Godart, Aart A. van’t Veld, Johannes A. Langendijk, Erik W. Korevaar   +8 more
openaire   +3 more sources

Polymer gel dosimeters for pretreatment radiotherapy verification using the three-dimensional gamma evaluation and pass rate maps

Physica Medica, 2017
Polymer gel dosimeters (PGDs) have been widely studied for use in the pretreatment verification of clinical radiation therapy. However, the readability of PGDs in three-dimensional (3D) dosimetry remain unclear. In this study, the pretreatment verifications of clinical radiation therapy were performed using an N-isopropyl-acrylamide (NIPAM) PGD, and ...
Ling-Ling Hsieh, Jiunn-I Shieh, Li-Ju Wei, Yi-Chun Wang, Kai-Yuan Cheng, Cheng-Ting Shih   +5 more
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[A result analysis of gamma pass rates for IMRT verification for pinnacle planning system].

Zhongguo yi liao qi xie za zhi = Chinese journal of medical instrumentation, 2013
The study was to explore effort of planning parameters by analyzing the result of Gamma pass rates for IMRT verification for Pinnacle planning system.5 Head Neck IMRT plans finished by Xio planning system were imported into Pinnacle planning system.
Jianying, Zhang, Tao, Jiang
openaire   +1 more source

PO-0811: From gamma passing-rate to DVH: Validation and first clinic applications of a commercial software

Radiotherapy and Oncology, 2014
PO-0811: From gamma passing-rate to DVH: Validation and first clinic applications of a commercial ...
MARRAZZO, LIVIA, CALUSI, SILVIA, Casati, M., Arilli, C., BUCCIOLINI, MARTA   +4 more
openaire   +2 more sources