Benefits and costs of MR imaging of prostate cancer.

This article answers several important questions about the ultimate clinical usefulness of prostate MR imaging. How accurate is prostate MR imaging? What are the optimal methods for performance and interpretation of the study, considering the tradeoffs between false-positive and false-negative results? Is endorectal-coil imaging a cost-effective part of the prostate examination? And, which men are likely to benefit the most from an endorectal prostate examination?