Reporting Clinical Results of EPID-Based Patient-Specific Quality Assurance for Brain Stereotactic Radiosurgery/Radiation Therapy: Demonstrating the Feasibility of Same-Day Stereotactic Radiosurgery via HyperArc Delivery [PDF]
Advances in Radiation OncologyPurpose: Patient-specific quality assurance (PSQA) of complex volumetric modulated arc therapy plans via Electronic portal imaging device (EPID)-based portal dosimetry (PD) is widely adopted by the radiation therapy community.
Damodar Pokhrel, PhD +3 more
doaj +2 more sources
The Spinning Manny Indexed Overlay System for VMAT total body irradiation. [PDF]
J Appl Clin Med PhysAbstract Purpose While modern intensity‐modulated techniques for total body irradiation (TBI) offer superior organ sparing and improved dose coverage compared to conventional TBI, their complexity has limited widespread adoption. Specifically, when treating individuals with Volumetric Modulated Arc Therapy (VMAT‐TBI), a transition between the head ...
Skinner L +8 more
europepmc +2 more sources
Evaluation of Perkin Elmer Amorphous Silicon Electronic Portal Imaging Device for Small Photon Field Dosimetry [PDF]
Journal of Biomedical Physics and EngineeringBackground: Electronic portal imaging devices (EPIDs) are applied to measure the dose and verify patients’ position.Objective: The present study aims to evaluate the performance of EPID for measuring dosimetric parameters in small photon fields.Material ...
Mohammad Haghparast +4 more
doaj +2 more sources
Development of Artificial Intelligence as a Conversion Tool for Cine Electronic Portal Imaging Device Images to Radiotherapy Dosimetry: Preliminary Study [PDF]
Iranian Journal of Medical Physics, 2022 Introduction: This research is a preliminary study of the development of Artificial Intelligence (AI) as a conversion tool from the pixel value of Cine a-Si 1000 Electronic Portal Imaging Device (EPID) images to dose.
Muhammad Ramadhan +2 more
doaj +1 more source
A clinically relevant online patient QA solution with daily CT scans and EPID-based in vivo dosimetry: a feasibility study on rectal cancer [PDF]
Physics in Medicine and Biology, 2022 Objective. Adaptive radiation therapy (ART) could protect organs at risk (OARs) while maintain high dose coverage to targets. However, there is still a lack of efficient online patient quality assurance (QA) methods, which is an obstacle to large-scale ...
Liyuan Chen +10 more
semanticscholar +1 more source
Radiation Oncology, 2022 Background This paper describes the development of a predicted electronic portal imaging device (EPID) transmission image (TI) using Monte Carlo (MC) and deep learning (DL).
Jun Zhang +6 more
semanticscholar +2 more sources
Development of an Electronic Portal Imaging Device Dosimetry Method
Diagnostics, 2021 Support arm backscatter and off-axis effects of an electronic portal imaging device (EPID) are challenging for radiotherapy quality assurance. Aiming at the issue, we proposed a simple yet effective method with correction matrices to rectify backscatter ...
Jun Zhang +4 more
doaj +1 more source
A convolutional neural network model for EPID‐based non‐transit dosimetry
Journal of Applied Clinical Medical Physics, 2023 Purpose To develop an alternative computational approach for EPID‐based non‐transit dosimetry using a convolutional neural network model. Method A U‐net followed by a non‐trainable layer named True Dose Modulation recovering the spatialized information ...
Lucas Dal Bosco +5 more
semanticscholar +1 more source