Results 21 to 30 of about 1,371 (176)

Establishment of a practical methodology for evaluating equieffective dose of individual patients based on RT-PHITS [PDF]

open access: yesEJNMMI Physics
Background The RadioTherapy package based on PHITS (RT-PHITS) is an individual dosimetry system applicable to both targeted radionuclide therapy (TRT) and external radiotherapy.
Tatsuhiko Sato   +3 more
doaj   +2 more sources

Relation between Lineal Energy Distribution and Relative Biological Effectiveness for Photon Beams according to the Microdosimetric Kinetic Model [PDF]

open access: yesJournal of Radiation Research, 2011
Our cell survival data showed the obvious dependence of RBE on photon energy: The RBE value for 200 kV X-rays was approximately 10% greater than those for mega-voltage photon beams. In radiation therapy using mega-voltage photon beams, the photon energy distribution outside the field is different with that in the radiation field because of a large ...
H. Okamoto   +8 more
openaire   +4 more sources

Mixed- and multi-relative biological effectiveness model simultaneous optimization in carbon ion radiotherapy: A proof-of-concept [PDF]

open access: yesPhysics and Imaging in Radiation Oncology
Background and purpose: In carbon ion radiotherapy (CIRT), different relative biological effectiveness (RBE) models have been used for calculating RBE-weighted dose (DRBE).
Aaron Paul Osburg   +8 more
doaj   +2 more sources

pyMKM: An Open-Source Python Package for Microdosimetric Kinetic Model Calculation in Research and Clinical Applications

open access: yesComputation
Among existing radiobiological models, the MKM and its extensions (SMK and OSMK) have demonstrated strong predictive capabilities but remain computationally demanding.
Giuseppe Magro   +5 more
doaj   +2 more sources

Carbon Ion Dose Constraints in the Head and Neck and Skull Base: Review of MedAustron Institutional Protocols [PDF]

open access: yesInternational Journal of Particle Therapy, 2021
Background: Dose constraints are of paramount importance for the outcome of any radiotherapy treatment. In this article, we report dose-volume constraints as well as currently used fractionation schedules for carbon ion radiotherapy as applied in ...
Piero Fossati, MD   +7 more
doaj   +1 more source

First theoretical determination of relative biological effectiveness of very high energy electrons

open access: yesScientific Reports, 2021
Very high energy electrons (VHEEs, E > 70 MeV) present promising clinical advantages over conventional beams due to their increased range, improved penumbra and relative insensitivity to tissue heterogeneities.
Rachel Delorme   +4 more
doaj   +1 more source

A Model for Estimating Dose-Rate Effects on Cell-Killing of Human Melanoma after Boron Neutron Capture Therapy

open access: yesCells, 2020
Boron neutron capture therapy (BNCT) is a type of radiation therapy for eradicating tumor cells through a 10B(n,α)7Li reaction in the presence of 10B in cancer cells.
Yusuke Matsuya   +3 more
doaj   +1 more source

Across the stages: a multiscale extension of the generalized stochastic microdosimetric model (MS-GSM2) to include the ultra-high dose rate

open access: yesFrontiers in Physics, 2023
Ultra-high dose rate (UHDR) irradiations with different types of radiation have shown a larger sparing of normal tissue and unchanged tumor control with respect to conventional delivery.
Marco Battestini   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy