Characteristics of PI-RADS 4 lesions within the prostatic peripheral zone: a retrospective diagnostic accuracy study evaluating 170 lesions

DiscussionPeripheral zone PI-RADS 4 lesions with a DWI score of 4 are more likely Gleason 7+ cancer than those with a DWI score of 3. Lesions overcalled as PI-RADS 4 have PPV similar to published PI-RADS 3 data. Lesion shape and peripheral zone sparing in general do not predict Gleason 7+ cancer within PI-RADS 4 observations.

http://link.springer.com/10.1007/s00261-017-1415-x

Source: Abdominal Imaging - December 2, 2017 Category: Radiology Source Type: research