Transrectal fine needle aspiration of prostate.

56 patients with prostatic enlargement were subjected to transrectal fine needle aspiration (FNA) of prostate. The cytologic diagnosis was correlated with histology in 55 cases. Benign prostatic hyperplasia (BPH) was diagnosed in 44 cases. In 18 of these, there was associated chronic prostatitis in three cases acute prostatitis and in two cases granulomatous prostatitis. One case of tuberculous prostatitis and 11 cases of prostatic carcinoma could also be diagnosed on cytologic basis. There was only one false negative and no false positive cytodiagnosis was made.