[Ultrasound examination of the hip joint in infants].

The authors investigated 236 hip joints in children aged from 10 days to 3 months by ultrasound method. Joints were classified after Graph in 4 types. Angular values of osseous and cartilaginous reference points of hip joints are determined and therapeutic measures are prescribed depending on the joint type. Sonography provides quite objective information about non-cartilaginous elements of a joint and deserves spreading in all areas.