For the diagnosis of biochemical recurrence of prostate cancer, fluorine-18 labeled Choline PET/CT has been used in Spain, which has a variable detection rate and is subject to PSA values prior to the study. It has been known for some years that Prostate Specific Membrane Antigen (PSMA) is overexpressed in most prostate cancers and represents an ideal molecular target for diagnostic and therapeutic purposes. In the last decade a new radiopharmaceutical,...