[Clinical significance of prostatic exosomal protein and PSA in detecting prostate cancer with the PSA gray zone and PI-RADS-3 lesions].

To explore the clinical value of prostatic exosomal protein (PSEP) and PSA in the diagnosis of PCa with PSA in the gray zone (4－10 μg/L) and Prostate Imaging Reporting and Data System category 3 (PI-RADS-3) lesions.