thirty cases of benign prostatic hyperplasia and 30 cases of prostatic adenocarcinoma were selected and stained by agnor (argyrophilic staining of the nucleolar organizer region) method. specimens were obtained by either prostatectomy (open!tijr) or needle biopsy of the prostate. in this study, the sections of prostatic adenocarcinoma were reviewed. 6 cases were diagnosed as well-differentiated...