Limitations of phase-sorting based pencil beam scanned 4D proton dose calculations under irregular motion

A Duetschler, J Prendi, S Safai… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. 4D dose calculation (4DDC) for pencil beam scanned (PBS) proton therapy is
typically based on phase-sorting of individual pencil beams onto phases of a single …

Experimental validation of a 4D dynamic dose calculation model for proton pencil beam scanning without spot time stamp considering free‐breathing motion

Y Tominaga, M Oita, J Miyata, T Kato - Medical Physics, 2024 - Wiley Online Library
Purpose We developed a 4‐dimensional dynamic dose (4DDD) calculation model for proton
pencil beam scanning (PBS). This model incorporates the spill start time for all energies and …

Dosimetric uncertainties as a result of temporal resolution in 4D dose calculations for PBS proton therapy

Y Zhang, I Huth, DC Weber… - Physics in Medicine & …, 2019 - iopscience.iop.org
This work investigates the dosimetric impact on 4D dose distribution estimation for pencil
beam scanned (PBS) proton therapy as function of the temporal resolution used for the time …

Impact of limited temporal resolution on 4D Monte Carlo dose calculation for intensity modulated proton therapy

I Bengtsson, E Engwall, A Fredriksson… - arXiv preprint arXiv …, 2023 - arxiv.org
The interplay between the beam delivery time structure and the patient motion makes 4D
dose calculation (4DDC) important when treating moving tumors with intensity modulated …

New calculation method for 3D dose distribution in tetrahedral-mesh phantoms in Geant4

MC Han, Y Ku, HS Lee, YS Yeom, H Han, CH Kim - Physica Medica, 2019 - Elsevier
The tetrahedral-mesh (TM) geometry, which is a very promising geometry for computational
human phantoms, has a limitation in 3D dose distribution calculation for medical …