Journal
BJU INTERNATIONAL
Volume 108, Issue 11, Pages 1716-1722Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1464-410X.2011.10256.x
Keywords
prostate; cancer; diffusion; MRI
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Funding
- RMH/ICR NIHR Biomedical Research Centre
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OBJECTIVE To review the clinical utility of diffusion weighted magnetic resonance imaging (DW-MRI) in patients with prostate cancer. MATERIAL AND METHODS The current literature on prostate cancer and DW-MRI was reviewed. RESULTS DW-MRI can be readily acquired on a modern scanner with a short image acquisition time and no need for i.v. contrast medium. The image contrast is based on the diffusion of water molecules and thus reflects tissue cellularity. There is increasing evidence that DW-MRI improves the sensitivity and specificity of prostate cancer detection as well as the identification of tumour aggressiveness. DW-MRI is also showing substantial promise as a response biomarker for both local and metastatic disease CONCLUSIONS DW-MRI is proving to be a useful adjunct to conventional T2-weighted MRI sequences. The eventual role of DW-MRI in combination with other MRI techniques for multiparametric assessment of prostate cancer needs to be defined further.
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