What Is the Clinical Significance of FDG Unexpected Uptake in the Prostate in Patients Undergoing PET/CT for Other Malignancies?

Figure 3

69-year-old male with history of an extra osseous osteosarcoma of the left calf. Fused axial PET/CT image shows two areas of focal uptake in the prostate gland (arrow) anterior to the rectum (R). Digital rectal exam was suspicious for a mass and the biopsy showed adenocarcinoma of the prostate with a Gleason score ranging from 8 to 9.