Practical Reviews

PI-RADS Version 2 Helps Clarify Lesion Characterization


Background: The Prostate Imaging Reporting and Data System (PI-RADS) is used to describe prostate MRI. Objective: To review the changes in PI-RADS version 2. PI-RADS categories: Previously, PI-RADS categories were poorly defined and inconsistently reported. Version 2 updates the definitions of the categories, including a better definition for category 3 lesions. MR sequences: In PI-RADS version 2, the peripheral zone is best evaluated by diffusion-weighted images (DWI), with high s more...
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