Technical note: A modified gamma evaluation method for dose distribution comparisons
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.12606
Abstract: Abstract Purpose In this work we have developed a novel method of dose distribution comparison, the inverse gamma (IG) evaluation, by modifying the commonly used gamma evaluation method. Methods The IG evaluation calculates the gamma… read more here.
Keywords: method dose; evaluation; gamma evaluation; dose distribution ... See more keywords
Attention‐aware 3D U‐Net convolutional neural network for knowledge‐based planning 3D dose distribution prediction of head‐and‐neck cancer
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13630
Abstract: Abstract Purpose Deep learning–based knowledge‐based planning (KBP) methods have been introduced for radiotherapy dose distribution prediction to reduce the planning time and maintain consistent high‐quality plans. This paper presents a novel KBP model using an… read more here.
Keywords: prediction; model; attention; baseline net ... See more keywords
Film measurement and analytical approach for assessing treatment accuracy and latency in a magnetic resonance‐guided radiotherapy system
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13915
Abstract: Abstract Purpose We measure the dose distribution of gated delivery for different target motions and estimate the gating latency in a magnetic resonance‐guided radiotherapy (MRgRT) system. Method The dose distribution accuracy of the gated MRgRT… read more here.
Keywords: system; accuracy; film; latency ... See more keywords
Improvement of deep learning prediction model in patient-specific QA for VMAT with MLC leaf position map and patient's dose distribution.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of applied clinical medical physics"
DOI: 10.1002/acm2.14055
Abstract: PURPOSE Deep learning-based virtual patient-specific quality assurance (QA) is a novel technique that enables patient QA without measurement. However, this method could be improved by further evaluating the optimal data to be used as input.… read more here.
Keywords: mlc; patient; deep learning; model ... See more keywords
Physics-Driven Learning of X-ray Skin Dose Distribution in Interventional Procedures.
Sign Up to like & getrecommendations! Published in 2019 at "Medical physics"
DOI: 10.1002/mp.13758
Abstract: PURPOSE Radiation doses accumulated during very complicated image-guided X-ray procedures have the potential to cause stochastic, but also deterministic effects, such as skin rashes or even hair loss. To monitor and reduce radiation-related risks to… read more here.
Keywords: dose distribution; skin dose; primary photons; physics ... See more keywords
Deformed dose restoration to account for tumor deformation and position changes for adaptive proton therapy.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.16149
Abstract: BACKGROUND Online adaptation during intensity-modulated proton therapy (IMPT) can minimize the effect of inter-fractional anatomical changes, but remains challenging because of the complex workflow. One approach for fast and automated online IMPT adaptation is dose… read more here.
Keywords: deformation position; tumor deformation; deformed dose; dose distribution ... See more keywords
Dose distribution verification in intraoperative radiation therapy using an N-isopropyl acrylamide-based polymer gel dosimeter
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-020-07110-y
Abstract: The purpose of the current study was to verify the dose distribution of an Intrabeam-50 kV IORT system using polymer gel dosimetry technique. Results of dose distribution evaluation using NIPAM polymer gel dosimetry were compared… read more here.
Keywords: gel dosimetry; dose distribution; polymer gel;
Measurement of dose distribution from treatment of shallow brain tumors in BNCT by NIPAM polymer gel
Sign Up to like & getrecommendations! Published in 2017 at "Progress in Nuclear Energy"
DOI: 10.1016/j.pnucene.2017.07.004
Abstract: Abstract Because of the unique characteristics of polymer gel dosimeters, it appears that these gels might offer a reliable method for measuring absorbed radiation dose from various radiotherapy techniques, such as BNCT. In this study,… read more here.
Keywords: nipam polymer; dose distribution; treatment shallow; treatment ... See more keywords
Hemorrhage from Ascending Colon and Gluteal Muscle Associated with Sorafenib and Radiation Therapy: Radiation Dose Distribution Corresponded with Colonoscopy Findings and Computed Tomography Images.
Sign Up to like & getrecommendations! Published in 2019 at "Practical radiation oncology"
DOI: 10.1016/j.prro.2019.02.012
Abstract: INTRODUCTION Previous studies have shown that simultaneous treatment with sorafenib, a vascular endothelial growth factor receptor tyrosine-kinase inhibitor (VEGFR-TKI), and radiation therapy (RT) can cause gastrointestinal hemorrhage (GH) as an adverse event. However, it is… read more here.
Keywords: radiation dose; dose distribution; radiation therapy; ascending colon ... See more keywords
Scintillator screen for measuring dose distribution in scanned carbon-ion therapy
Sign Up to like & getrecommendations! Published in 2019 at "Radiation Measurements"
DOI: 10.1016/j.radmeas.2019.106207
Abstract: Abstract Precise measurement of the dose distribution of a carbon-ion pencil beam is essential for the safe delivery of treatment in scanned carbon-ion therapy. We developed an easy-to-use and quick dose-measurement tool that employs a… read more here.
Keywords: dose distribution; carbon; carbon ion; scintillator ... See more keywords
Measurement of relative depth-dose distribution in radiochromic film dosimeters irradiated with 43–70 keV electron beam for industrial application
Sign Up to like & getrecommendations! Published in 2018 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2018.01.006
Abstract: Abstract The relative dose in a layer, which is thinner than the thickness of the dosimeter is evaluated using simulated depth-dose distributions, and the measured responses of dosimeters with acceleration voltages from 43 to 70 kV,… read more here.
Keywords: depth; dose distribution; depth dose; electron beam ... See more keywords