Dosimetric Comparison between Dynamic Wave Arc and Co-Planar Volumetric Modulated Radiotherapy for Locally Advanced Pancreatic Cancer [PDF]
Iranian Journal of Medical Physics, 2022 Introduction: Dose reduction to the duodenum is important to decrease gastrointestinal toxicities in patients with locally advanced pancreatic cancer (LAPC) treated with definitive chemoradiotherapy.
Alshaymaa Abdelghaffar +11 more
doaj +1 more source
Clinical performance of FractionLab in patient-specific quality assurance for intensity-modulated radiotherapy: a retrospective study [PDF]
Journal of Yeungnam Medical Science, 2022 Background This study was aimed at comparing and analyzing the results of FractionLab (Varian/Mobius Medical System) with those of portal dosimetry that uses an electronic portal imaging device.
Se An Oh +4 more
doaj +1 more source
The density structure and star formation rate of non-isothermal polytropic turbulence [PDF]
, 2015 The interstellar medium of galaxies is governed by supersonic turbulence, which likely controls the star formation rate (SFR) and the initial mass function (IMF).
Banerjee, Supratik, Federrath, Christoph
core +2 more sources
Dose-Response, 2021 Purpose: To investigate a novel gamma analysis system for dose verification results in terms of clinical significance. Methods and Materials: The modified scheme redefined the computational domain of the conventional gamma analysis with the projections ...
Yiling Wang +5 more
doaj +1 more source
Evaluation of Delta Anatomy in 3D Patient-Specific IMRT Quality Assurance
Technology in Cancer Research & Treatment, 2020 Purpose: To evaluate the performance of Delta 4DVH Anatomy in patient-specific intensity-modulated radiotherapy quality assurance. Materials and Methods: Dose comparisons were performed between Anatomy doses calculated with treatment plan dose measured ...
Du Tang PhD +3 more
doaj +1 more source
Precision Radiation Oncology, 2020 Objective This study compared the dose verification results between plans created based on computed tomography (CT) scan and digital virtual phantom. Methods We retrospectively analyzed the treatment plan of 10 patients with head and neck cancer.
Ting‐Ting Liu +5 more
doaj +1 more source
Fricke and polymer gel 2D dosimetry validation using Monte Carlo simulation [PDF]
, 2016 Complexity in modern radiotherapy treatments demands advanced dosimetry systems for quality control. These systems must have several characteristics, such as high spatial resolution, tissue equivalence, three-dimensional resolution, and dose-integrating ...
Chacón Obando, D. +12 more
core +1 more source
Intensity-modulated radiation therapy dose verification using fluence and portal imaging device [PDF]
, 2016 Patient-specific quality assurance for intensity-modulated radiation therapy (IMRT) dose verification is essential. The aim of this study is to provide a new method based on the relative error distribution by comparing the fluence map from the treatment ...
Aboshi, Keiko +10 more
core +1 more source
Proton range verification in inhomogeneous tissue: Treatment planning system vs. measurement vs. Monte Carlo simulation. [PDF]
PLoS ONE, 2018 In particle radiotherapy, range uncertainty is an important issue that needs to be overcome. Because high-dose conformality can be achieved using a particle beam, a small uncertainty can affect tumor control or cause normal-tissue complications.
Dae-Hyun Kim +8 more
doaj +1 more source
Quantifying radiotherapy beam quality: an analysis using gamma passing rates
Biomedical Physics & Engineering ExpressAbstract Purpose. PDD and profile curves play a crucial role in analyzing the beam quality and energy stability of accelerators. The aim of this study was to assess the efficacy of GPR in machine QA and compare it with traditional methods for analyzing dose outputs. Methods.
Xiang Gao +7 more
openaire +3 more sources