[Percutaneous catheter dilatation of benign ureteral stenoses: indications, technic, results].

From June 1984 to December 1986 twenty-one benign ureteral stenoses were treated. After percutaneous nephropyelostomy an antegrade dilatation was performed by means of balloon catheters or increasing size of angiographic catheters. Subsequently an ureteral splinting with a F-12-catheter and a glucocorticoid therapy was followed.

[Percutaneous nephropyelostomy--indications, complications, and various aspects of clinical use].

During almost 3 years in 100 patients the percutaneous nephropyelostomy was used as method of the supravesical discharge of urine 109 times. The X-ray-aimed puncture was performed on the basis of the fine needle puncture technique by means of a puncture set which we developed ourselves. When a urinary retention is present, the number of targets is great (96%), the rate of complications small.

[Therapy of bladder calculi--trends and results of a mainly transurethral oriented clinic].

From 1975 to 1985 519 patients with urinary calculi were treated in the Urologic Clinic of the Berlin-Buch Hospitals. 57.6% of them were treated by lithotripsy and TUR-P, 14.