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. Author manuscript; available in PMC: 2019 Apr 16.
Published in final edited form as: Eur Urol. 2015 Oct 1;69(1):16–40. doi: 10.1016/j.eururo.2015.08.052

Table 5 –

PI-RADS Assessment for T2W for PZ

Score Peripheral Zone (PZ)
1 Uniform hyperintense signal intensity (normal)
2 Linear or wedge-shaped hypointensity or diffuse mild hypointensity, usually indistinct margin
3 Heterogeneous signal intensity or non-circumscribed, rounded, moderate hypointensity
Includes others that do not qualify as 2, 4, or 5
4 Circumscribed, homogenous moderate hypointense focus/mass confined to prostate and <1.5 cm in greatest dimension
5 Same as 4 but ≥1.5 cm in greatest dimension or definite extra prostatic extension/invasive behavior