Fast dose calculation in magnetic fields with GPUMCD

S Hissoiny, AJE Raaijmakers, B Ozell… - Physics in Medicine …, 2011 - iopscience.iop.org
A new hybrid imaging-treatment modality, the MRI-Linac, involves the irradiation of the
patient in the presence of a strong magnetic field. This field acts on the charged particles …

A GPU‐accelerated Monte Carlo dose calculation platform and its application toward validating an MRI‐guided radiation therapy beam model

Y Wang, TR Mazur, O Green, Y Hu, H Li… - Medical …, 2016 - Wiley Online Library
Purpose: The clinical commissioning of IMRT subject to a magnetic field is challenging. The
purpose of this work is to develop a GPU‐accelerated Monte Carlo dose calculation platform …

Experimental verification of magnetic field dose effects for the MRI-accelerator

AJE Raaijmakers, BW Raaymakers… - Physics in Medicine & …, 2007 - iopscience.iop.org
The MRI-linear accelerator system, currently being developed, is designed such that the
patient is irradiated in the presence of a magnetic field. This influences the dose distribution …

Evaluation of a commercial MRI Linac based Monte Carlo dose calculation algorithm with geant 4

SB Ahmad, A Sarfehnia, MR Paudel, A Kim… - Medical …, 2016 - Wiley Online Library
Purpose: This paper provides a comparison between a fast, commercial, in‐patient Monte
Carlo dose calculation algorithm (GPUMCD) and geant4. It also evaluates the dosimetric …

Dose optimization for the MRI-accelerator: IMRT in the presence of a magnetic field

AJE Raaijmakers, B Hårdemark… - Physics in Medicine …, 2007 - iopscience.iop.org
A combined system of a 6 MV linear accelerator and a 1.5 T MRI scanner is currently being
developed. In this system, the patient will be irradiated in the presence of a 1.5 T magnetic …

MRI/linac integration

JJW Lagendijk, BW Raaymakers… - Radiotherapy and …, 2008 - Elsevier
PURPOSE/OBJECTIVES: In radiotherapy the healthy tissue involvement still poses serious
dose limitations. This results in sub-optimal tumour dose and complications. Daily image …

Patient dosimetry for hybrid MRI‐radiotherapy systems

C Kirkby, T Stanescu, S Rathee, M Carlone… - Medical …, 2008 - Wiley Online Library
A novel geometry has been proposed for a hybrid magnetic resonance imaging (MRI)‐linac
system in which a 6 MV linac is mounted on the open end of a biplanar, low field (0.2 T) MRI …

Magnetic field induced dose effects in radiation therapy using MR‐linacs

CY Huang, B Yang, WW Lam, H Geng… - Medical …, 2023 - Wiley Online Library
MR‐guided radiotherapy (MRgRT) is one of the most significant advances in radiotherapy in
recent years. The hybrid systems were designed to visualize patient anatomical and …

Integrating a MRI scanner with a 6 MV radiotherapy accelerator: dose deposition in a transverse magnetic field

BW Raaymakers, AJE Raaijmakers… - Physics in Medicine …, 2004 - iopscience.iop.org
Integrating magnetic resonance imaging (MRI) functionality with a radiotherapy accelerator
can facilitate on-line, soft-tissue based, position verification. A technical feasibility study, in …

Dosimetric optimization and commissioning of a high field inline MRI-linac

U Jelen, B Dong, J Begg, N Roberts, B Whelan… - Frontiers in …, 2020 - frontiersin.org
Purpose: Unique characteristics of MRI-linac systems and mutual interactions between their
components pose specific challenges for their commissioning and quality assurance. The …