A critical review of the PET literature [2] compared PSMA with four other tracers (11C- or 18F-choline, 11C-acetate, anti-1-amino-3-18F-fluorocyclobutane-1-carboxylic acid, and 18F-fluorodeoxyglucose) in the detection of prostate cancer. Here, FOLH1 is linked to Familial prostate cancer.