Fig. 5

Case 1: A 12-year-old men patient with ARCO III traumatic ONFH at left received the treatment of retrograde anatomy iliac bone flap transfer. A Preoperative radiograph of CT image: the articular plane is uneven, there is obvious necrosis and osteolysis. B–F The anteroposterior radiograph of the pelvis at 1 months, 3 months, 6 months, 12 months, 24 months postoperatively: During the whole follow-up, the shape of the femoral head gradually became round without progressive collapse, and the joint space was well preserved