1. The case history of a seven and a half-year-old boy who developed increased radiographic density of the femoral capital epiphysis after traumatic dislocation of the hip is presented.

2. The authors have been able to examine the case reports of thirteen similar cases presented in the literature.

3. The case presented is felt to be of interest because avascular necrosis was diagnosed early, and the radiographic appearance of the hip became normal five months after the injury.