72 year-old man on active surveillance for prostate cancer. PSA of 4.9 ng/mL.
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Finding: The left posterolateral PZ demonstrates a focal region of markedly decreased ADC and increased high b-value signal. The PZ shows diffuse early enhancement bilaterally, without a region of focal early enhancement matching the finding on DWI/ADC.
T2WI: 2. DWI: 4. DCE: (0).
PI-RADS: 4.
MRI/TRUS fusion biopsy: Gleason score 4+3 tumor.