FOLH1 and Familial prostate cancer: Furthermore, a large Australian study of 431 patients with prostate cancer found the PSMA-PET scan to be a valuable diagnostic tool in the management of patients with prostate cancer, as the uptake of 68GA-labeled PSMA marker allowed the detection of unsuspected disease in the prostate bed, local lymph nodes, and distant metastases, which had not been detected by other imaging techniques.