KLK3 and benign prostatic hyperplasia: This study explored whether postmortem serum PSA levels may reflect underlying prostatic pathology in forensic autopsy practice.<h4>Methods</h4>A total of 101 male autopsy cases (PCa, n = 3; BPH, n = 16; non-prostatic malignancies, n = 36; controls, n = 46) examined between 2015 and 2024 were included.