Fig. 31

⁶⁸Ga-PSMA, prostate cancer, biochemical recurrence (BCR): sensitivity. Clinical history: 64 y.o. man with prostate cancer, radical prostatectomy as primary treatment Gleason score 4 + 4; PSA = 0.7 ng/ml, PSA dt 6 months, TTR 12 months, candidate for salvage radiation therapy in the prostatic fossa. PET/CT findings: single focus of increased uptake seen in a right external iliac lymph node (obturatory) measuring 8 mm in maximum diameter. a MIP; b CT and fused images