[Comparison of cytology and microhistology in ultrasonic_guided fine-needle biopsy of the prostate].

The authors performed US-guided biopsy on 30 consecutive patients with prostatic masses of an undefined nature. Two samples were taken from each patient, one using an aspirating needle and another using a cutting needle. The two techniques proved to be quite complementary, even in the light of subsequent diagnostic follow-ups. Moreover, the possibility of comparing the cytological findings with the pathologic ones, with a "double blind" technique, greatly increased bioptic reliability.