[Hemimelica epiphysialis dysplasia (author's transl)].

Hemimelica Epiphysialis Dysplasia is a rare osteochondrodystrophy producing cartilaginous epiphysial hypertrophy with hemimelic topography involving preferentialy the lower limb. Lesions are generally medialy situated (medial condyle of the femur, medial malleolus talus, tarsal scaphoid and first metatarsal bone). 8 cases of patients are discussed with a follow up of 4 years. The evolution is to a massive ossification of the hypertrophic cartilaginous areas. The issue is a fast arthrosic degeneration of the involved joints (mainly the ankle, more rarely the knee). The surgical procedures are often unsuccessful.