Figure 5b. US images in a 57-year-old man with a PSA level of 27.0 ng/mL, a predicted PSA level of 8.1 ng/mL, and prostatic adenocarcinoma (Gleason score, 8). (a) Transverse gray-scale US image shows a homogeneous isoechoic mass (arrows) bulging from the right apex. (b) Transverse color Doppler US image demonstrates increased blood flow within the mass (arrows). (c) Transverse gray-scale US image shows the biopsy needle (arrow) within the mass.