Dose Characteristics of a Deep Learning Model for EPID-based In vivo Dosimetry [PDF]
Journal of Medical PhysicsBackground: Images from onboard electronic portal imaging devices (EPID) contain dose information that can be converted into dose maps. A cycle-consistent generative adversarial network (CycleGAN)-based model was developed for two-dimensional (2D) EPID ...
Qilin Li +4 more
doaj +3 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
Optimal pain management: epidural or locoregional nerve blocks for canine stifle surgery? [PDF]
Veterinary EvidencePICO Question In dogs undergoing stifle surgery, do locoregional nerve blocks compared with epidural anaesthesia improve perioperative antinociception and reduce residual block? Clinical bottom line Category of research Treatment.
Tiffany Tang, Eduardo Uquillas
doaj +2 more sources
Analysis of IMRT patient specific quality assurance using EPID measurement data from the Halcyon linear accelerator. [PDF]
PLoS ONEThis study investigated the characteristics of electronic portal imaging device (EPID)-based perpendicular field-by-field patient-specific quality assurance (PFF-PSQA) on the Halcyon linear accelerator by comparing them with the true composite (TC)-PSQA ...
Shinhaeng Cho +6 more
doaj +2 more sources
Improving patient treatment accuracy using transit dosimetry with Electronic Portal Imaging Device images and deep learning [PDF]
Physics and Imaging in Radiation OncologyBackground and Purpose:: Electronic portal imaging devices (EPID) can be utilized for transit in vivo dosimetry (IVD). A major limitation of standard amorphous Silicon EPID detectors for usage IVD is their non-linear detector response to water equivalent
Lorenzo Marini +9 more
doaj +2 more sources
In-vivo dosimetry using electronic portal imaging in online-adaptive radiotherapy for rectal cancer [PDF]
Physics and Imaging in Radiation OncologyBackground and purpose: Electronic portal imaging device (EPID)-based in-vivo dosimetry (IVD) is widely used to verify radiotherapy dose delivery and detect deviations from anatomical changes, setup uncertainties, or machine-related errors. However, cone-
Gary Razinskas +7 more
doaj +2 more sources
Setup Error Differences and Margin Expansion Among Rectal Cancer Segments: Consistency Evaluation Between EPID and iSCOUT [PDF]
Cancer ReportsPurpose To analyze the differences in setup errors among patients with rectal cancer in the upper, middle and lower segments and evaluate the consistency between electronic portal imaging device (EPID) and iSCOUT image‐guided techniques.
Bao Wan +10 more
doaj +2 more sources
A multi-institutional EPID-based 3D dose reconstruction model in a virtual phantom for standardized patient QA, benchmarking and auditing for stereotactic radiosurgery [PDF]
Physics and Imaging in Radiation OncologyBackground and Purpose: For single-isocentre multi-target (SIMT) stereotactic radiosurgery (SRS), benchmarking, auditing and inter-institutional standardisation of dose verification remain challenging as they require specialized equipment and expertise ...
Benjamin Zwan +19 more
doaj +2 more sources
Evaluation of Dose Distribution at the Level of Electronic Portal Imaging Device using Treatment Planning System [PDF]
Journal of Biomedical Physics and EngineeringBackground: Treatment Planning Systems (TPS) are designed to calculate dose distributions within the CT imaging field of view. However, the Electronic Portal Imaging Device (EPID) is positioned outside this area, making it challenging to use standard TPS
Amene Bagheri +6 more
doaj +2 more sources