SLIPPING OF THE UPPER FEMORAL EPIPHYSIS

Abstract
A condition occurring between the ages of 8 and 17 years is described in the literature as epiphyseal fracture, separation, or slipping, epiphyseal coxa vara, adolescent rickets, pathologic fracture, and femoral osteochondritis of adolescence. It is a disease characterized by weakening of the epiphyseal disk at the femoral head, permitting subsequent displacement of the head on the neck. We are presenting a study of seventy cases of this disease from the New York Orthopaedic Dispensary and Hospital. Sixty-three were seen in adolescence; seven were adult residuals. Thirty-nine were in males, thirty-one in females. In thirty-one cases only the left hip was affected; in twenty-four the right, and fifteen were bilateral. Bilateralism is about as common as in coxa plana and only slightly more common than in frank infections. Of fifty-five patients, 65 per cent were overweight, half of them having endocrine imbalance. Many of the overgrown children were of the

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