Fig. 5

PET/CT scans (transversal slices through the lower abdomen at the entrance level of the pelvis) obtained at a 50 min, b 2 h, c 18.5 h, and d 25 h, respectively after injection of 140 MBq ¹⁵²Tb-PSMA-617, revealing a small lymph node metastasis (< 8 mm in size) near the right common iliac artery (blue arrow) with maximum uptake observed at 18.5 and 25 h p.i.