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Fig. 2 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 2

From: In prostatic transition zone lesions (PI-RADS v2.1): which subgroup should be biopsied?

Fig. 2

Examples of transition zone prostate cancer for reader interpreted according to modified PI-RADS v2.1-B. a T2-weighted image (T2WI) showed 17-mm-sized encapsulated nodule with mild hyperintensity (T2WI score 2) in the right transition zone with linear diffusion restriction (DWI score 2). The lesion was categorized as 2 according to PI-RADS v2.1-B. b T2WI showed 12-mm-sized obscured marginated, heterogeneous nodule (T2WI score 3) in the rignt transition zone with mild diffusion restriction (DWI score 3), which was categorized as 3A according to PI-RADS v2.1-B. c T2WI showed 10-mm-sized obscured, heterogeneous nodule (T2WI score 3) in the left transition zone, with focal marked diffusion restriction (DWI score 4), suggesting category 3B according to PI-RADS v2.1-B. d T2WI showed 13-mm-sized non-circumscribed, homogeneous nodule (T2WI score 4) in the right transition zone, with marked diffusion restriction (DWI score 4). The lesion was categorized as PI-RADS 4. e T2WI showed 17mm sized homogeneous nodule with extracapsular extension in the right transition zone (T2WI score 5), with marked diffusion restriction (DWI score 5), suggesting PI-RADS category 5

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