The magnetic resonance imaging–linac system

JJW Lagendijk, BW Raaymakers… - Seminars in radiation …, 2014 - Elsevier
The current image-guided radiotherapy systems are suboptimal in the esophagus, pancreas,
kidney, rectum, lymph node, etc. These locations in the body are not easily accessible for …

MR guidance in radiotherapy

JJW Lagendijk, BW Raaymakers… - Physics in Medicine …, 2014 - iopscience.iop.org
The use of modern MRI technology in radiotherapy is fast growing. MRI is entering all facets
of radiotherapy. This review will start with a very short overview of the newest developments …

Roadmap: proton therapy physics and biology

H Paganetti, C Beltran, S Both, L Dong… - Physics in Medicine …, 2021 - iopscience.iop.org
The treatment of cancer with proton radiation therapy was first suggested in 1946 followed
by the first treatments in the 1950s. As of 2020, almost 200 000 patients have been treated …

Integrating a 1.5 T MRI scanner with a 6 MV accelerator: proof of concept

BW Raaymakers, JJW Lagendijk… - Physics in Medicine …, 2009 - iopscience.iop.org
At the UMC Utrecht, The Netherlands, we have constructed a prototype MRI accelerator.
The prototype is a modified 6 MV Elekta (Crawley, UK) accelerator next to a modified 1.5 T …

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 …

First patients treated with a 1.5 T MRI-Linac: clinical proof of concept of a high-precision, high-field MRI guided radiotherapy treatment

BW Raaymakers, IM Jürgenliemk-Schulz… - Physics in Medicine …, 2017 - iopscience.iop.org
The integration of 1.5 T MRI functionality with a radiotherapy linear accelerator (linac) has
been pursued since 1999 by the UMC Utrecht in close collaboration with Elekta and Philips. …

[HTML][HTML] Adaptive radiotherapy: the Elekta Unity MR-linac concept

D Winkel, GH Bol, PS Kroon, B van Asselen… - Clinical and translational …, 2019 - Elsevier
Background and purpose The promise of the MR-linac is that one can visualize all anatomical
changes during the course of radiotherapy and hence adapt the treatment plan in order to …

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 …

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 determined. …

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
… Raaijmakers AJE, Hårdemark B, Raaymakers BW, Raaijmakers CPJ and Lagendijk JJW …
Raaijmakers AJE, Raaymakers BW and Lagendijk JJW 2007c Experimental verification of …