Tissue substitutes for particulate radiations and their use in radiation dosimetry and radiotherapy [PDF]
, 1978 PhDMost of the tissue substitute materials currently used inclinical radiation dosimetry are designed to simulate muscle or bone when irradiated with photons A few materials have been developed for neutron dosimetry, but substitutes speci fically ...
Constantinou, Christodoulos
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Craniospinal irradiation by volumetric modulated arc therapy technique on halcyon
Journal of Radiation and Cancer Research, 2022 Aims: Craniospinal irradiation (CSI) is a challenging task on halcyon due to its field size constraint (28 cm × 28 cm). CSI was planned by volumetric modulated arc therapy (VMAT) technique on Halcyon (6MV) linac with no junction shift with multiple arcs ...
Shubhangi Barsing +3 more
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Monte Carlo portal dosimetry. [PDF]
This project developed a solution for verifying external photon beam radiotherapy. The solution is based on a calibration chain for deriving portal dose maps from acquired portal images, and a calculation framework for predicting portal dose maps ...
Chin, Mary Pik Wai
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EVALUATION STUDY FOR ELECTRONIC PORTAL IMAGER SYSTEM DEVICE (EPID) AS QUALITY ASSURANCE AND DOSIMETRY TOOL FOR MEDICAL LINEAR ACCELERATOR MACHINE [PDF]
Assiut University Journal of Multidisciplinary Scientific Research, 2020 Portal imager system now is widely attached as verification system in many models from linear accelerator due to may be used for treatment verification instead of film in as new ear for radiotherapy.
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An Empirical Transmitted EPID Dosimetry Method using a Back-Projection Algorithm [PDF]
Journal of Biomedical Physics and Engineering, 2019 Background: The present study aimed to introduce a rapid transmission dosimetry through an electronic portal-imaging device (EPID) to achieve two-dimensional (2D) dose distribution for homogenous environments. Material and Methods: In this Phantom study,
S M Hashemi +8 more
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Novel methodologies for dosimetry audits: Adapting to advanced radiotherapy techniques
Physics and Imaging in Radiation Oncology, 2018 With new radiotherapy techniques, treatment delivery is becoming more complex and accordingly, these treatment techniques require dosimetry audits to test advanced aspects of the delivery to ensure best practice and safe patient treatment.This review of ...
Marlies Pasler +3 more
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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
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Investigating the electronic portal imaging device for small radiation field measurements
Journal of Medical Physics, 2017 Purpose: With the advent of state-of-the-art treatment technologies, the use of small fields has increased, and dosimetry in small fields is highly challenging.
Arpita Agarwal +5 more
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Planar EPID-Based Dosimetry for SRS and SRT Patient-Specific QA
Life, 2021 The study’s purpose was to develop and validate Electronic Portal Imaging Device (EPID)-based dosimetry for Stereotactic Radiosurgery (SRS) and Stereotactic Radiation Therapy (SRT) patient-specific Quality Assurance (QA).
Sangutid Thongsawad +3 more
doaj +1 more source
Radiation Oncology, 2018 Background The demand for dose verification during treatment has risen with the increasing use of intensity-modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) in modern radiation therapy.
So-Yeon Park +4 more
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