Electronic portal imaging device-based three-dimensional volumetric dosimetry for intensity-modulated radiotherapy pretreatment quality assurance [PDF]
Journal of Medical Physics, 2019 Aim: This study aimed at evaluating the efficacy of treatment planning system (TPS)-based heterogeneity correction for two- and three-dimensional (2D and 3D) electronic portal imaging device (EPID)-based pretreatment dose verification.
Manikandan Arjunan +3 more
doaj +2 more sources
Comparative Evaluation of Curve-fitting Techniques for Electronic Portal Imaging Device-based Multileaf Collimator Picket Fence Analysis [PDF]
Journal of Medical PhysicsPurpose: The primary objective of this study was to identify the most suitable curve-fitting method for picket fence analysis by comparing commonly used mathematical fitting approaches with film-based reference measurements.
Vijay Kumar Mogulagani +3 more
doaj +2 more sources
In vivo dosimetry with an electronic portal imaging device for prostate cancer radiotherapy with an endorectal balloon [PDF]
Physics and Imaging in Radiation Oncology, 2019 Electronic portal imaging device-based in vivo dosimetry with a commercial product was performed for 10 prostate cancer patients treated with an air-filled endorectal balloon.
Bo Sterckx +2 more
doaj +2 more sources
Experience with remote electronic portal imaging device-based dosimetric auditing for static and rotational intensity modulated radiotherapy [PDF]
Physics and Imaging in Radiation OncologyThe aim of this work was to evaluate results of a remote electronic portal imaging based dosimetric auditing method using Task-Group 218 clinical gamma evaluation criteria (3%,2 mm, 10% dose threshold).
Peter B. Greer +2 more
doaj +2 more sources
An Analysis of Quality Assurance for Intensity-modulated Radiation Therapy and Volumetric Modulated Arc Therapy Treatment Plans Using Two Dosimetric Methods: The arcCHECK System and EPIbeam Based Dosimetric Approach [PDF]
Journal of Medical PhysicsAim: The current study is to assess and compare the performance of an electronic portal imaging device (EPID)-based dosimetry system electronic portal imaging beam (EPIbeam) and a three-dimensional (3D) diode array system (ArcCHECK) using various gamma ...
Ajay Katake +4 more
doaj +2 more sources
The influence of acquisition mode on the dosimetric performance of an amorphous silicon electronic portal imaging device [PDF]
Journal of Medical Physics, 2017 Aims: This study investigates the impact of cine acquisition mode on the dosimetric characteristics of a Varian aS500 amorphous silicon electronic portal imaging device (a-Si EPID).
Omemh Bawazeer +4 more
doaj +2 more sources
Validation of three-dimensional electronic portal imaging device-based PerFRACTION™ software for patient-specific quality assurance [PDF]
Journal of Medical Physics, 2019 Purpose: PerFRACTION™ is a three-dimensional (3D) in vivo electronic portal imaging device-based dosimetry software. To validate the software, three phantoms with different inserts (2D array, ionization chamber, and inhomogeneity materials) were ...
A Aziz Sait +6 more
doaj +2 more sources
Radiotherapy delivery error detection with electronic portal imaging device (EPID)-based in vivo dosimetry [PDF]
Chinese Medical Journal, 2023 Xueying Yang +8 more
doaj +2 more sources
In vivo dosimetry using an electronic portal imaging device for pediatric myeloablative Total body irradiation with volumetric modulated arc therapy [PDF]
Physics and Imaging in Radiation OncologyBackground and Purpose: Volumetric Modulated Arc Therapy (VMAT) has enabled highly conformal Total Body Irradiation (TBI), improving dose homogeneity and sparing of organs-of-interest.
Francesca Greco +14 more
doaj +2 more sources
Current Practices and Clinical Implementation of Electronic Portal Imaging Device-based Dosimetry in Indian Radiotherapy Centres: A National Survey [PDF]
Journal of Medical PhysicsPurpose: This study aims to assess the current prevalence, utilization patterns, and operational challenges of electronic portal imaging device (EPID)-based dosimetry systems in Indian radiotherapy centres. Materials and Methods: A multiple-choice survey
Raghavendra Hajare +7 more
doaj +2 more sources