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The results of 526 transrectal prostatic biopsies are available. Mean age of the patients was 64.6 years, mean level of PSA--10.4 ng/ml, mean size of the prostate--56 cm3. Biopsy was made in visualization of the prostate in the sagittal projection (ultrasound devices BruelKjaer 1846 and Kretz Voluson 730). Application of BruelKjaer Medical 2102 Hawk provides visualization of the prostate during biopsy both in sagittal and cross projection. Double visualization significantly improved detectability of prostatic cancer in patients with PSA 4-10 ng/ml. In biopsy of the top and peripheral zone there was lengthening of prostatic tissue fragments, reduced fragmentation of the columns, less frequent blank shots of the biopsy gun. The data obtained supports the importance of isolated placement and marking of prostatic tissue fragments in biopsy and allow to recommend wide clinical use of ultrasonic facilities with biplanic sensors providing online sagittal and cross visualization of the prostate.

Three-dimentional (3D) ultrasound investigation (USI) covered 60 patients with various prostatic diseases. 3D USI was made with a computer tomographic device "Echotom-3D" allowing getting three-dimentinal images on two-dimentional scanners as well as 1846 scanner ("BK Ultrasound Systems", Denmark), sensors 3.5, 5.0 and 7.0 MHz. Transabdominal, perineal and transrectal 3D USI were performed. These proved highly effective in diagnosis of prostatic diseases.

The dissection of coccygeal duct and closing the wound with a through perforated bathing drainage under modified epidural-sacral anaesthesia has been clinically approved. The operation was performed 3-4 days after two-step opening and cleaning of the abscess. The epithelial duct that doesn't have abscess symptoms should be dissected in one step operation. 68 patients underwent one-step surgery and in 125 cases two-step surgery has been done. The average time of staying in hospital was 15.3 days and 19.1 days, respectively. The double-step surgery of epithelial coccygeal duct decreases the level of postoperative septic complications and improves the functional and cosmetic results of the treatment.

A technique of subfascial electrocoagulation of the communicating shin veins through an endoscope in 53 patients with varicose dilatation of the lower extremity veins and postthrombophlebitis syndrome is described. The technique is not complicated and gives good cosmetic results.