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Fig. 5 | Insights into Imaging

Fig. 5

From: Pitfalls in Interpreting mp-MRI of the Prostate: A Pictorial Review with Pathologic Correlation

Fig. 5

Ectopic stromal BPH nodule in the right peripheral zone (white arrows). a Axial T2-weighted fast spin-echo image (5045/110), b axial T2-weighted fat saturated fast spin-echo image (45461/116) and c coronal T2-weighted fast spin-echo image (5565/120) showing a round sharply defined nodule of low signal intensity surrounded by a pseudocapsule in the peripheral zone of the prostate at the right peri-apical location. d Axial DWI image with b value = 1000 mm2/sec and e = 3000 mm2/sec, and f ADC map showing remarkable diffusion restricted phenomena. g Axial perfusion gradient-echo T1-weighted and h gradient-echo T1-weighted subtracted image showing avid enhancement of the nodule. According to the PIRADSv2 scoring system, the score for T2, DCE and DWI is, respectively: 4, + and 3; the overall score is 3, which means the presence of clinically significant cancer is equivocal. i Pathologic correlation after prostatectomy yielded BPH (black arrows)

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