Fig. 2
Discrepancies for 68Ga-PSMA-11 PET/CT without and with CTU in anatomical assignment of tracer accumulation in a patient with unifocal retroperitoneal nodal relapse according to 68Ga-PSMA-11 PET/CT with CTU. a shows a focal tracer accumulation in the left retroperitoneum at the the level of the ureteric crossing of the iliac vessels with anatomical assignment to the left ureter with confidence score 1. Using 68Ga-PSMA-11 PET/CT with CTU, the focus was assigned to a small periureteric soft tissue mass (circle in b) between the left ureter (arrow head in b) and the left iliac vessels with confidence score 3