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MRI-guided prostate adaptive radiotherapy - A systematic review.

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Publication Date
2016-06
ICR Author
van As, Nick
Tree, Alison
Author
McPartlin, AJ
Li, XA
Kershaw, LE
Heide, U
Kerkmeijer, L
Lawton, C
Mahmood, U
Pos, F
van As, N
van Herk, M
Vesprini, D
van der Voort van Zyp, J
Tree, A
Choudhury, A
MR-Linac consortium
Type
Journal Article
Metadata
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Abstract
Dose escalated radiotherapy improves outcomes for men with prostate cancer. A plateau for benefit from dose escalation using EBRT may not have been reached for some patients with higher risk disease. The use of increasingly conformal techniques, such as step and shoot IMRT or more recently VMAT, has allowed treatment intensification to be achieved whilst minimising associated increases in toxicity to surrounding normal structures. To support further safe dose escalation, the uncertainties in the treatment target position will need be minimised using optimal planning and image-guided radiotherapy (IGRT). In particular the increasing usage of profoundly hypo-fractionated stereotactic therapy is predicated on the ability to confidently direct treatment precisely to the intended target for the duration of each treatment. This article reviews published studies on the influences of varies types of motion on daily prostate position and how these may be mitigated to improve IGRT in future. In particular the role that MRI has played in the generation of data is discussed and the potential role of the MR-Linac in next-generation IGRT is discussed.
URL
https://repository.icr.ac.uk/handle/internal/747
Collections
  • Radiotherapy and Imaging
Licenseref URL
http://www.rioxx.net/licenses/all-rights-reserved
Version of record
10.1016/j.radonc.2016.04.014
Subject
MR-Linac consortium
Humans
Prostatic Neoplasms
Magnetic Resonance Imaging
Motion
Male
Radiotherapy, Intensity-Modulated
Radiotherapy, Image-Guided
Research team
Stereotactic and Precision Body Radiotherapy
Language
eng
Date accepted
2016-04-09
License start date
2016-06
Citation
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 2016, 119 (3), pp. 371 - 380

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