Monte Carlo characterization of skin doses in 6 MV transverse field MRIlinac systems: effect of field size, surface orientation, magnetic field strength, and exit bolus

BM Oborn, PE Metcalfe, MJ Butson… - Medical …, 2010 - Wiley Online Library
… Below this magnetic field strength, there is some contribution … Above this magnetic field
strength, the Lorentz-force … a large range of field size and magnetic field strength, however, at the …

Experimental characterization of the dose deposition in parallel MRIlinacs at various magnetic field strengths

J Begg, SJ Alnaghy, T Causer, T Alharthi… - Medical …, 2019 - Wiley Online Library
field strengths. This work aims to characterize the impact of the magnetic field on dose
deposition for a parallel MRI-linac by … from the Linatron at 0, 1, and 1.5 T magnetic field strengths. …

MRI/linac integration

JJW Lagendijk, BW Raaymakers… - Radiotherapy and …, 2008 - Elsevier
… This impact on the dose at the tissue air interface, eg an air cavity, can be an increase or a
decrease depending on the magnetic field strength, electron energies, field size, the obliquity …

MRI-linear accelerator radiotherapy systems

GP Liney, B Whelan, B Oborn, M Barton, P Keall - Clinical Oncology, 2018 - Elsevier
… These systems have the potential to realise the benefits of MRI on the … MRI-linacs currently
being implemented covering both low and high magnetic field strength and two beam-field

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
… Hybrid MRI-linac system designs operating at 3 T would have less dose increase at the distal
side but more dose increase due to the lateral ERE. The major drawback would be that the …

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

AJE Raaijmakers, BW Raaymakers… - Physics in Medicine & …, 2007 - iopscience.iop.org
… the MRI-linac-specific dose effects using GafChromic film measurements in the presence of
a magnetic field. … B = 0 T and higher field strengths (B in this case is the lateral magnetic field

Beam characterisation of the 1.5 T MRI-linac

SJ Woodings, JJ Bluemink, JHW De Vries… - Physics in Medicine …, 2018 - iopscience.iop.org
… and chamber axis, and on chamber size, beam energy and field strength. These differences
are due to the varying average path length of the ionising track of a secondary charged …

[HTML][HTML] The impact of a 1.5 T MRI linac fringe field on neighbouring linear accelerators

T Perik, J Kaas, F Wittkämper - Physics and Imaging in Radiation Oncology, 2017 - Elsevier
… the influence of an MRI linac fringe field on neighbouring … downtime after changes of the
magnetic field of the MRI linac. … and strength of the magnetic field and distance to the linacs. …

Dosimetric feasibility of the hybrid Magnetic Resonance Imaging (MRI)-linac System (MRL) for brain metastases: The impact of the magnetic field

CL Tseng, W Eppinga, E Seravalli, S Hackett… - Radiotherapy and …, 2017 - Elsevier
MRI-linear accelerator (MRL) consisting of an integrated 1.5 T Philips MRI and an 7-MV linear
accelerator (linac) … inter- and intra-fraction volumetric high-field strength MRI acquisitions. …

Lung dosimetry in a linacMRI radiotherapy unit with a longitudinal magnetic field

C Kirkby, B Murray, S Rathee, BG Fallone - Medical physics, 2010 - Wiley Online Library
… increases with increasing magnetic field strength. The dose distributions strongly depend
on both relative orientation of magnetic and radiation field and magnetic field strength. In the …