Results 1 to 10 of about 51,447 (275)

Planar EPID-Based Dosimetry for SRS and SRT Patient-Specific QA [PDF]

Life, 2021
The study’s purpose was to develop and validate Electronic Portal Imaging Device (EPID)-based dosimetry for Stereotactic Radiosurgery (SRS) and Stereotactic Radiation Therapy (SRT) patient-specific Quality Assurance (QA).
Sangutid Thongsawad, Tadchapong Chanton, Nipon Saiyo, Nuntawat Udee   +3 more
doaj   +5 more sources

A feasibility study of deep learning prediction model for VMAT patient-specific QA [PDF]

Frontiers in Oncology
PurposeThis study introduces a deep learning (DL) model that leverages doses calculated from both a treatment planning system (TPS) and independent dose verification software using Monte Carlo (MC) simulations, aiming to predict the gamma passing rate ...
Junjie Miao, Yuan Xu, Kuo Men, Jianrong Dai   +3 more
doaj   +2 more sources

Machine Learning-Based Prediction of Elekta MLC Motion with Dosimetric Validation for Virtual Patient-Specific QA [PDF]

Bioengineering
Accurate multi-leaf collimator (MLC) motion prediction is a prerequisite for precise dose delivery in advanced techniques such as IMRT and VMAT. Traditional patient-specific quality assurance (QA) methods remain resource-intensive and prone to physical ...
Byung Jun Min, Gyu Sang Yoo, Seung Hoon Yoo, Won Dong Kim   +3 more
doaj   +2 more sources

Prediction of three-dimensional dose distribution for patient-specific quality assurance based on log files using WingsNet [PDF]

Radiation Oncology
Background This study aims to construct and train the WingsNet model, which leverages the parameters recorded in log files to rapidly and accurately predict the patient-specific three-dimensional (3D) dose distribution for IMRT quality assurance (QA ...
Ying Huang, Yifei Pi, Ruxin Cai, Kui Ma, Hao Wang, Hua Chen, Hengle Gu, Yan Shao, Aihui Feng, Yanhua Duan, Zhenjiong Shen, Qing Kong, Zhiyong Xu, Weihai Zhuo   +13 more
doaj   +2 more sources

Clinical performance of FractionLab in patient-specific quality assurance for intensity-modulated radiotherapy: a retrospective study [PDF]

Journal of Yeungnam Medical Science, 2022
Background This study was aimed at comparing and analyzing the results of FractionLab (Varian/Mobius Medical System) with those of portal dosimetry that uses an electronic portal imaging device.
Se An Oh, Sung Yeop Kim, Jaehyeon Park, Jae Won Park, Ji Woon Yea   +4 more
doaj   +1 more source

Dosimetric Verification of Intensity Modulated Radiotherapy (IMRT) Treatment Plans for Prostate Cancer Patients

Acta Clinica Croatica, 2022
Intensity modulated radiotherapy (IMRT) has become widely used as a standard radiation therapy technique for the treatment of localized prostate cancer.
Iva Mrčela, Marin Gregov, Ante Matanić, Mirjana Budanec, Jure Murgić, Blanka Jakšić, Marin Prpić, Angela Prgomet Sečan, Ana Fröbe   +8 more
doaj   +1 more source

Feasibility of a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance of intensity-modulated radiotherapy. [PDF]

PLoS ONE, 2017
This study evaluated the feasibility of utilizing a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance (QA) in intensity-modulated radiotherapy (IMRT).
Ji Woon Yea, Jae Won Park, Sung Kyu Kim, Dong Youn Kim, Jae Gu Kim, Chan Young Seo, Won Hyo Jeong, Man Youl Jeong, Se An Oh   +8 more
doaj   +1 more source

Treatment plan prescreening for patient-specific quality assurance measurements using independent Monte Carlo dose calculations

Frontiers in Oncology, 2022
PurposeThis study proposes a method to identify plans that failed patient-specific quality assurance (QA) and attempts to establish a criterion to prescreen treatment plans for patient-specific QA measurements with independent Monte Carlo dose ...
Yuan Xu, Ke Zhang, Zhiqiang Liu, Bin Liang, Xiangyu Ma, Wenting Ren, Kuo Men, Jianrong Dai   +7 more
doaj   +1 more source

Virtual Patient-Specific Quality Assurance of IMRT Using UNet++: Classification, Gamma Passing Rates Prediction, and Dose Difference Prediction

Frontiers in Oncology, 2021
The dose verification in radiotherapy quality assurance (QA) is time-consuming and places a heavy workload on medical physicists. To provide a clinical tool to perform patient specific QA accurately, the UNet++ is investigated to classify failed or pass ...
Ying Huang, Yifei Pi, Kui Ma, Xiaojuan Miao, Sichao Fu, Hua Chen, Hao Wang, Hengle Gu, Yan Shao, Yanhua Duan, Aihui Feng, Jiyong Wang, Ruxin Cai, Weihai Zhuo, Zhiyong Xu   +14 more
doaj   +1 more source

Comprehensive clinical evaluation of TomoEQA for patient-specific pre-treatment quality assurance in helical tomotherapy

Radiation Oncology, 2022
Background Based on a previous study on the feasibility of TomoEQA, an exit detector-based patient-specific pre-treatment quality assurance (QA) method for helical tomotherapy, an in-depth clinical evaluation was conducted.
Changhwan Kim, Min Cheol Han, Young Kyu Lee, Han-Back Shin, Hojin Kim, Jin Sung Kim   +5 more
doaj   +1 more source