Abstract
Introduction
Prostate cancer (PCa) imaging is a rapidly evolving field. Dramatic improvements in prostate MRI during the last decade will probably change the accuracy of diagnosis. This chapter reviews recent current evidence about MRI diagnostic performance and impact on PCa management.
Materials and methods
The International Consultation on Urological Diseases nominated a committee to review the literature on prostate MRI. A search of the PubMed database was conducted to identify articles focussed on MP-MRI detection and staging protocols, reporting and scoring systems, the role of MP-MRI in diagnosing PCa prior to biopsy, in active surveillance, in focal therapy and in detecting local recurrence after treatment.
Results
Differences in opinion were reported in the use of the strength of magnets [1.5 Tesla (T) vs. 3T] and coils. More agreement was found regarding the choice of pulse sequences; diffusion-weighted MRI (DW-MRI), dynamic contrast-enhanced MRI (DCE MRI), and/or MR spectroscopy imaging (MRSI) are recommended in addition to conventional T2-weighted anatomical sequences. In 2015, the Prostate Imaging Reporting and Data System (PI-RADS version 2) was described to standardize image acquisition and interpretation. MP-MRI improves detection of clinically significant PCa (csPCa) in the repeat biopsy setting or before the confirmatory biopsy in patients considering active surveillance. It is useful to guide focal treatment and to detect local recurrences after treatment. Its role in biopsy-naive patients or during the course of active surveillance remains debated.
Conclusion
MP-MRI is increasingly used to improve detection of csPCa and for the selection of a suitable therapeutic approach.
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EB: project development, data collection, manuscript writing. BT: manuscript writing. PP: manuscript writing, MD: manuscript writing, VP: manuscript writing, JJF: manuscript writing. RR-P: manuscript writing, OR: project development, data collection, manuscript writing.
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Barret, E., Turkbey, B., Puech, P. et al. Update on the ICUD-SIU consultation on multi-parametric magnetic resonance imaging in localised prostate cancer. World J Urol 37, 429–436 (2019). https://doi.org/10.1007/s00345-018-2395-3
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DOI: https://doi.org/10.1007/s00345-018-2395-3