We examined 408 patients operated for prostatic adenoma and estimated frequency of detection of incidental prostatic cancer (PC), determined PC clinical and pathological characteristics in patients exposed to preoperative prostatic biopsy and patients with no indications for such biopsy. The most significant factor in prognosis of the risk of cancer detection for patients exposed to biopsy is evidence obtained at finger rectal examination, transrectal ultrasound investigation, age; for patients unexposed to biopsy - PSA level is significant
