于文超　李刚

Osteogenesis imperfecta (OI) is an autosomal dominant disorder due to the obstruction in the formation of collagen type I, which is featured with the increase of the degree of bone fragility. Major manifestations in clinic: bone fragility, blue sclerae, hearing loss and mild-moderate skeletal deformity. 1 case of osteogenesis imperfecta combined with the fracture in the femoral shaft underwent open reduction, locked plate fixation and bone grafting in clinic, with good postoperative recovery.