Modified technique of percutaneous core decompression with flexible reamers and percutaneous iliac bone graft harvesting for treatment of femoral head osteonecrosis

Abstract
Avascular necrosis of the femoral head (ANFH) is a debilitating disease most commonly affecting young and middle-aged people. Most often leading to a significant articular disability ultimately needing total hip replacement. Early diagnosis and effective joint-preserving surgical treatments are urgently needed for patients with early stage ANFH. We would like to report a minimally invasive modified technique of percutaneous core decompression using flexible reamers and percutaneous iliac bone graft harvesting for treatment of early stage of femoral head osteonecrosis.