The Magnetic Resonance Imaging–Linac System

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 fiducials and cannot be visualized sufficiently on cone-beam computed tomographies, making daily patient set-up prone to...

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Bibliographic Details
Published inSeminars in radiation oncology Vol. 24; no. 3; pp. 207 - 209
Main Authors Lagendijk, Jan J.W., Raaymakers, Bas W., van Vulpen, Marco
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.07.2014
Subjects
Equipment Design
Hematology, Oncology and Palliative Medicine
Humans
Magnetic Resonance Imaging - instrumentation
Magnetic Resonance Imaging, Interventional
Particle Accelerators
Radiation Oncology - instrumentation
Radiology
Radiotherapy Planning, Computer-Assisted - instrumentation
Radiotherapy, Image-Guided - instrumentation
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Summary: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 fiducials and cannot be visualized sufficiently on cone-beam computed tomographies, making daily patient set-up prone to geometrical uncertainties and hinder dose optimization. Additional interfraction and intrafraction uncertainties for those locations arise from motion with breathing and organ filling. To allow real-time imaging of all patient tumor locations at the actual treatment position a fully integrated 1.5-T, diagnostic quality, magnetic resonance imaging with a 6-MV linear accelerator is presented. This system must enable detailed dose painting at all body locations.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1053-4296
1532-9461
1532-9461
DOI:10.1016/j.semradonc.2014.02.009