[Treatment of urinary tract anomalies detected by prenatal ultrasonography].

Twelve pediatric patients with antenatal diagnosed urinary tract anomalies from 1988 to 1992 in Niigata University Hospital were clinically examined. 1: All patients were diagnosed by ultrasonography. Eleven cases did not have any abnormal pregnancy and other had oligohydramnious. 2: Postnatal surgical treatments were performed in 11 cases, but antenatal therapy was not performed in any case. 3: Temporary percutaneous nephrostomy (PNS) were carried out on 7 kidneys in 6 cases during infantile period seems to be effective in preserving function of congenital obstructed kidneys.