Gli36ΔEGFR tumours-bearing nude mice (n = 3) were injected i.v. with either [18F]F-PSMA-617-NODA or [18F]F-PSMA-617-RESCA (~ 3.8 MBq/mouse, ~ 50 pmol for [18F]1 and ~ 170 pmol [18F]2). Here, FOLH1 is linked to neoplasm.