“…The fibular flap is currently used as a free or pedicle flap in the treatment of trauma patients with long bone defects, nonunion or necrosis of the femoral head. It can also be used for defects of the maxillary and mandible bones [ 5 , 9 , 13 , 14 ]. However, the conditions of the flap, including the patency of the anastomosis and flap survival, are difficult to monitor, as it is covered by the local skin.…”