Fig. 2From: The indications for core decompression surgery in patients with ARCO stage I-II osteonecrosis of the femoral head: a new, comprehensive prediction systemA 60-year-old male patient with an ONFH of his left hip. The patient had undergone CD surgery 2 years previously. (A) The radiograph showed flattening of his left femoral head. (B) Preoperative X-rays. (C) Preoperative CT. (D) Preoperative MRI.Back to article page