Adaptive step size algorithm to increase efficiency of proton macro Monte Carlo dose calculation [PDF]
Radiation Oncology, 2019 Purpose To provide fast and accurate dose calculation in voxelized geometries for proton radiation therapy by implementing an adaptive step size algorithm in the proton macro Monte Carlo (pMMC) method.
Reto Kueng +7 more
doaj +4 more sources
Fast Monte Carlo dose calculation in proton therapy [PDF]
Physics in Medicine & BiologyAbstract This article examines the critical role of fast Monte Carlo (MC) dose calculations in advancing proton therapy techniques, particularly in the context of increasing treatment customization and precision. As adaptive radiotherapy and other patient-specific approaches evolve, the need for accurate and precise dose calculations ...
Jason Holmes +5 more
core +8 more sources
Fluence-modulated proton CT optimized with patient-specific dose and variance objectives for proton dose calculation [PDF]
Physics in Medicine & Biology, 2021 Abstract Particle therapy treatment planning requires accurate volumetric maps of the relative stopping power, which can directly be acquired using proton computed tomography (pCT). With fluence-modulated pCT (FMpCT) imaging fluence is concentrated in a region-of-interest (ROI), which can be the vicinity of the treatment beam path ...
J Dickmann +8 more
openaire +6 more sources
Application of a fast proton dose calculation algorithm to a thorax geometry [PDF]
Radiation Measurements, 2010 Treatment planning in proton therapy requires the calculation of absorbed dose distributions on beam shaping components and the patient anatomy. Analytical pencil-beam dose algorithms commonly used are not always accurate enough. The Monte Carlo approach is more accurate but extremely computationally intensive.
Pablo P, Yepes +6 more
openaire +4 more sources
Low-dose CT allows for accurate proton therapy dose calculation and plan optimization [PDF]
Physics in Medicine & Biology, 2022 Abstract Objective. Protons offer a more conformal dose delivery compared to photons, yet they are sensitive to anatomical changes over the course of treatment. To minimize range uncertainties due to anatomical variations, a new CT acquisition at every treatment session would be paramount to ...
Elhamiasl, Masoud +7 more
openaire +3 more sources
Dictionary-based protoacoustic dose map imaging for proton range verification [PDF]
Photoacoustics, 2021 Proton radiotherapy has the potential to provide state-of-the-art dose conformality in the tumor area, reducing possible adverse effects on surrounding organs at risk.
Clara Freijo +3 more
doaj +2 more sources
A fast analytical dose calculation approach for MRI-guided proton therapy. [PDF]
, 2023 Objective.Magnetic resonance (MR) is an innovative technology for online image guidance in conventional radiotherapy and is also starting to be considered for proton therapy as well.
Meier, Gabriel +15 more
core +3 more sources
Impact of varied low resolution phantoms on intensity modulated proton therapy dose distributions [PDF]
, 2013 The primary purpose of this thesis is to discuss the usefulness of image segmentation techniques in creating accurate proton dose distribution plans.
Padhye, Aarohi Shyam
core +7 more sources
Evaluating Proton Dose and Associated Range Uncertainty Using Daily Cone-Beam CT
Frontiers in Oncology, 2022 PurposeThis study aimed to quantitatively evaluate the range uncertainties that arise from daily cone-beam CT (CBCT) images for proton dose calculation compared to CT using a measurement-based technique.MethodsFor head and thorax phantoms, wedge-shaped ...
Heng Li +10 more
doaj +1 more source
Radiation Oncology, 2022 Background Variable relative biological effectiveness (vRBE) in proton therapy might significantly modify the prediction of RBE-weighted dose delivered to a patient during proton therapy.
Magdalena Garbacz +15 more
doaj +1 more source