[Ultrasonic methods in diagnosis of urinary tract defects in children during mass screening].

Materials on urinary diseases collected by maternity hospitals and children's outpatient clinics and pertaining to 145,979 children of different ages including neonates were compared to the ultrasound data on 10,396 children of the same age. According to the ultrasound data, the incidence of urinary system abnormalities in children is 1.83 +/- 0.196%. The highest rate of the diseases was recorded in neonates. Later it was found to decrease. The method of ultrasound diagnosis can be used as a screening stage in mass prophylactic examinations of the childhood population of all ages including the earliest one. It is advisable that the method be introduced in medical practice of the city (regional) and interregional outpatient clinics.