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Vascularized Fibula Graft
Another surgical option is a vascularized fibula graft. This is a more involved procedure in which a segment of bone is taken from the small bone in your leg (fibula) along with its blood supply (an artery and vein). This graft is transplanted into a hole created in the femoral neck and head, and the artery and vein are reattached to help heal the area of osteonecrosis.