“…7,15 Bone harvest from this site, however, has the disadvantage of the need for a separate donor site with its inherent morbidity. The complications of the anterior iliac approach include prolonged post-operative pain, [16][17][18] altered gait, 10,19 sensory nerve damage, 17,18 poor scar placement and altered bone contour, 18 delayed healing, 18 herniation of abdominal contents, 11 clicking during walking, 18 ilium fracture, 20 peritonitis, 6 excessive blood loss 18 and rarely retroperitoneal haematoma. 21 The precise cause of donor site pain remains obscure.…”