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
Perbandingan Verifikasi Akurasi Posisi Pasien Radioterapi Secara Manual dan Semiotomatis Berbasis Citra DRR/EPID [PDF]
Indonesian Journal of Cancer, 2016 Radiotherapy is one of common treatment modality for Nasopharyngeal Cancer. The development of intensity modulated radiotherapy (IMRT technique) gives satisfactory results in the nasopharyngeal cancer treatment, both clinically and dosimetry.
SUSI NOFRIDIANITA
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
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
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 +2 more sources
EPID‐based dosimetry to verify IMRT planar dose distribution for the aS1200 EPID and FFF beams [PDF]
Journal of Applied Clinical Medical Physics, 2016 We proposed to perform a basic dosimetry commissioning on a new imager system, the Varian aS1200 electronic portal imaging device (EPID) and TrueBeam 2.0 linear accelerator for flattened (FF) and flattening filter‐free (FFF) beams, then to develop an image‐based quality assurance (QA) model for verification of the system delivery accuracy for intensity‐
Narges Miri, Peter B Greer
exaly +3 more sources
Development of a new VMAT QA framework for Mobius3D using control-point specific EPID images [PDF]
Frontiers in OncologyPurposeThis study presents novel quality assurance (QA) approach for volumetric modulated arc therapy (VMAT) that leverages frame-by-frame electronic portal imaging device (EPID) images integrated into Mobius3D for accurate three-dimensional dose ...
JaeHyun Seok +13 more
doaj +2 more sources
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