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 …
patient is irradiated in the presence of a magnetic field. This influences the dose distribution …
A finite element method for the determination of the relative response of ionization chambers in MR-linacs: simulation and experimental validation up to 1.5 T
S Pojtinger, RP Kapsch, OS Dohm… - Physics in Medicine & …, 2019 - iopscience.iop.org
In magnetic resonance (MR) guided radiotherapy, the magnetic field-dependent change in
the dose response of ionization chambers is typically included by means of a correction …
the dose response of ionization chambers is typically included by means of a correction …
Integrating a MRI scanner with a 6 MV radiotherapy accelerator: impact of the surface orientation on the entrance and exit dose due to the transverse magnetic field
AJE Raaijmakers, BW Raaymakers… - Physics in Medicine …, 2007 - iopscience.iop.org
At the UMC Utrecht, in collaboration with Elekta and Philips Research Hamburg, we are
developing a radiotherapy accelerator with integrated MRI functionality. The radiation dose …
developing a radiotherapy accelerator with integrated MRI functionality. The radiation dose …
Dosimetry for the MRI accelerator: the impact of a magnetic field on the response of a Farmer NE2571 ionization chamber
I Meijsing, BW Raaymakers… - Physics in Medicine …, 2009 - iopscience.iop.org
The UMC Utrecht is constructing a 1.5 T MRI scanner integrated with a linear accelerator
(Lagendijk et al 2008 Radiother. Oncol. 86 25–9). The goal of this device is to facilitate soft …
(Lagendijk et al 2008 Radiother. Oncol. 86 25–9). The goal of this device is to facilitate soft …
Measurement validation of treatment planning for a MR‐Linac
X Chen, ES Paulson, E Ahunbay… - Journal of Applied …, 2019 - Wiley Online Library
Purpose The magnetic field can cause a nonnegligible dosimetric effect in an MR‐Linac
system. This effect should be accurately accounted for by the beam models in treatment …
system. This effect should be accurately accounted for by the beam models in treatment …
Quantification of static magnetic field effects on radiotherapy ionization chambers
Integrated magnetic resonance (MR) imaging and radiotherapy (RT) delivery machines are
currently being developed, with some already in clinical use. It is anticipated that the strong …
currently being developed, with some already in clinical use. It is anticipated that the strong …
Magnetic-field-induced dose effects in MR-guided radiotherapy systems: dependence on the magnetic field strength
AJE Raaijmakers, BW Raaymakers… - Physics in Medicine & …, 2008 - iopscience.iop.org
Several institutes are currently working on the development of a radiotherapy treatment
system with online MR imaging (MRI) modality. The main difference between their designs is …
system with online MR imaging (MRI) modality. The main difference between their designs is …
Magnetic field induced dose effects in radiation therapy using MR‐linacs
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 …
recent years. The hybrid systems were designed to visualize patient anatomical and …
Evaluation of a commercial MRI Linac based Monte Carlo dose calculation algorithm with geant 4
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 …
Carlo dose calculation algorithm (GPUMCD) and geant4. It also evaluates the dosimetric …
Integrating a MRI scanner with a 6 MV radiotherapy accelerator: dose increase at tissue–air interfaces in a lateral magnetic field due to returning electrons
AJE Raaijmakers, BW Raaymakers… - Physics in Medicine & …, 2005 - iopscience.iop.org
In the framework of the development of the integration of a MRI-scanner with a linear
accelerator, the influence of a lateral, magnetic field on the dose distribution has to be …
accelerator, the influence of a lateral, magnetic field on the dose distribution has to be …
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