“…Several complications were described: hematoma, infection, chronic pain, permanent hypoesthesia of the lateral femoral cutaneous nerve, abdominal bulge/hernia and gait dysfunction. 3 Other specific bone related complications have been reported, including contour deformities and anterior-superior iliac spine fractures. 8 As for our knowledge, heterotopic ossification (HO) of the iliac bone after iliac crest bone flap harvesting have never been previously described in the literature.…”