KLK3 and pachyonychia congenita: In line with these observations, we retrospectively investigated the value of 68Ga-PSMA-11 PET/CT in primary staging of PC [40] in 90 patients (GS 6–10; median prostate-specific antigen (PSA): 9.7 ng/ml) with transrectal ultrasound (TRUS)-guided biopsy-proven PC.