In our cohort, a mean tumor lesion dose of 6.10 ± 6.59 Gy/GBq (range: 0.55 - 23.63 Gy/GBq) was observed for [161Tb]Tb-PSMA-617 compared to 2.59 ± 3.30 Gy/GBq (range: 0.42 - 12.91 Gy/GBq) for [177Lu]Lu-PSMA-617. This evidence concerns the gene FOLH1 and neoplasm.