Performance of multiparametric magnetic resonance imaging in the evaluation and management of clinically low-risk prostate cancer

Research output: Contribution to journalReview articlepeer-review

Abstract

Objective: The purpose of this article is to review the multiparametric magnetic resonance imaging (mMRI) of the prostate and MR-guided prostate biopsy, and their role in the evaluation and management of men with low-risk prostate cancer. Methods: We performed a literature review based on the MEDLINE database search for publications on the role of mMRI (a) in detection and localization of prostate cancer, prediction of tumor aggressiveness and progression and (b) in guiding targeted prostate biopsy. Results: The mMRI, particularly diffusion-weighted imaging with T2-weighted imaging, is a useful tool for tumor localization in low-risk prostate cancer as it can detect lesions that are more likely missed on extended biopsy schemes and can identify clinically significant disease requiring definitive treatment. The MR-guided biopsy of the most suspicious lesions enables more accurate and safer approach to guide enrollment into the active surveillance program. However, the MR-guided biopsy is complex. The fusion of MRI data with transrectal ultrasound for the purpose of biopsy provides a more feasible technique with documented accurate sampling. Conclusion: Although the mMRI is not routinely used for risk stratification and prognostic assessment in prostate cancer, it can provide valuable information to guide management of men with low-risk disease. Incorporation of mMRI into the workup and monitoring of patients with low-risk prostate cancer can help discriminate clinically significant disease from indolent disease. Targeted biopsy of MR-suspicious lesions enables accurate sampling of potentially aggressive tumors that may affect outcomes.

Original languageEnglish (US)
Pages (from-to)39.e1-39.e10
JournalUrologic Oncology: Seminars and Original Investigations
Volume32
Issue number1
DOIs
StatePublished - Jan 2014

Keywords

  • Active surveillance
  • Biopsy
  • Multiparametric MRI
  • Prostate cancer

ASJC Scopus subject areas

  • Oncology
  • Urology

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