Machine Learning-Based Prediction of Elekta MLC Motion with Dosimetric Validation for Virtual Patient-Specific QA [PDF]
BioengineeringAccurate 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 +3 more
doaj +2 more sources
Highly efficient and sensitive patient-specific quality assurance for spot-scanned proton therapy.
PLoS ONE, 2019 The purpose of this work was to develop an end-to-end patient-specific quality assurance (QA) technique for spot-scanned proton therapy that is more sensitive and efficient than traditional approaches.
J E Johnson +7 more
doaj +2 more sources
Patient-Specific QA of Spot-Scanning Proton Beams using Radiochromic Film. [PDF]
Int J Med Phys Clin Eng Radiat Oncol, 2017 Radiochromic film for spot-scanning QA provides high spatial resolution and efficiency gains from one-shot irradiation for multiple depths. However, calibration can be a tedious procedure which may limit widespread use. Moreover, since there may be an energy dependence, which manifests as a depth dependence, this may require additional measurements for
Chan MF +6 more
europepmc +4 more sources
National survey of patient specific IMRT quality assurance in China
Radiation Oncology, 2019 Background To analyze and present the China’s national survey on patient-specific IMRT quality assurance (QA). Methods A national survey was conducted in all radiotherapy centers in China to collect comprehensive information on status of IMRT QA practice,
Yuxi Pan +6 more
doaj +2 more sources
A multimodal multi-scale transformer for virtual pretreatment patient-specific QA of SBRT using portal-dosimetry fluence maps [PDF]
Scientific ReportsWe developed a transformer-based multimodal neural network to predict the gamma passing rate (GPR) in stereotactic body radiation therapy (SBRT) patient-specific quality assurance.
Hong-Qiang You +2 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 +4 more
doaj +1 more source
Development of an x-ray-opaque-marker system for quantitative phantom positioning in patient-specific quality assurance [PDF]
, 2021 Purpose: We developed an x-ray-opaque-marker (XOM) system with inserted fiducial markers for patient-specific quality assurance (QA) in CyberKnife (Accuray) and a general-purpose linear accelerator (linac).
Komori, Masataka +12 more
core +1 more source
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 +8 more
doaj +1 more source
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 +7 more
doaj +1 more source
Characterization of cylindrical ionization chambers for patient specific IMRT QA [PDF]
Journal of Applied Clinical Medical Physics, 2009 Proven conventional dosimetry techniques do not provide accuracy and precision in the measurement of inverse planned intensity‐modulated radiation therapy (IMRT) fields. Dynamic and step‐and‐shoot multileaf collimation (DMLC/SMLC) challenge current ionization chamber dosimetry practices.
Fraser, Danielle +2 more
openaire +2 more sources