Benign causes of diffusion restriction foci in the peripheral zone of the prostate: diagnosis and differential diagnosis.

Multiparametric-MRI is an important tool in the diagnosis of prostate cancer (PCa), particularly diffusion-weighted imaging for peripheral zone (PZ) cancer in the untreated prostate. However, there are many benign entities that demonstrate diffusion restriction in the PZ mimicking PCa resulting in diagnostic challenges. Fortunately, these benign entities usually have unique MR features that may help to distinguish them from PCa. The purpose of this pictorial review is to discuss benign entities with diffusion restriction in the PZ and to emphasize the key MR features of these entities that may help to differentiate them from PCa.

Abdominal radiology (New York). 2016 Apr 12 [Epub ahead of print]

Nirjhor M Bhowmik, Jinxing Yu, Ann S Fulcher, Mary A Turner

Department of Radiology, Virginia Commonwealth University Health System, Main Hospital, 3rd Floor, 401 North 12th Street, P.O. Box 980615, Richmond, VA, 23298, USA. ., Department of Radiology, Virginia Commonwealth University Health System, Main Hospital, 3rd Floor, 401 North 12th Street, P.O. Box 980615, Richmond, VA, 23298, USA., Department of Radiology, Virginia Commonwealth University Health System, Main Hospital, 3rd Floor, 401 North 12th Street, P.O. Box 980615, Richmond, VA, 23298, USA., Department of Radiology, Virginia Commonwealth University Health System, Main Hospital, 3rd Floor, 401 North 12th Street, P.O. Box 980615, Richmond, VA, 23298, USA.

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