Osteochondromatosis of the hip joint. Report of a cast.

Osteochondrmatosis of the hip is a rare disease in which segments of synovial membrane become cartilaginous. These may calcify or ossify forming osteocartilaginous masses as loose bodies. It occurs most often in young or middle-aged adults and the etiology of the condition is unknown. The diagnosis can be apparent with due consideration on clinical history and proper X-ray examination of the joint. One case of such disease with typical X-ray findings is reported.