69 year-old man with PSA of 8.7 ng/mL. No prior prostate biopsy.
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Finding: The right posterolateral PZ demonstrates a focal region of markedly decreased ADC and markedly increased high b-value signal, with associated focal early enhancement. The lesion measures under 15 mm on the ADC map, which PI-RADS v2 advises be used for measuring lesion size.