PI-RADS flowchart

Case contributed by Dr Alexandra Stanislavsky
Diagram

PI-RADS (Prostate Imaging Reporting and Data System) v2 determination is dependent on whether the lesion is in the peripheral zone (PZ) or transitional zone (TZ).  

For PZ the primary determining sequence is DWI. That is, the PI-RADS score is determined by DWI appearance, with the exception of PI-RADS 3 lesions, at which further reference is made to the presence or absence of dynamic contrast enhancement (DCE) in an attempt to minimise "indeterminate" lesions.

Conversely, for TZ lesions, the primary determining sequence is T2WI. That is, the PI-RADS score is determined by T2W appearance, with the exception of PI-RADS 3 lesions, at which further reference is made to DWI.

PZ = peripheral zone; TZ = transitional zone; DCE = Dynamic Contrast Enhancement

Case Discussion

These flowchart diagrams summarise the PI-RADS v2 assessment of prostate lesions.

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Case information

rID: 43046
Published: 20th Feb 2016
Last edited: 15th Aug 2018
System: Urogenital
Tag: diagram
Inclusion in quiz mode: Excluded

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