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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Comparison of retrograde anatomy iliac bone flap grafting versus anterograde anatomy iliac bone flap grafting for treatment of osteonecrosis of the femoral head

Fig. 2

Schematic diagram of iliac bone flap with deep circumflex iliac artery cut by "retrograde anatomy." A Preoperative design of iliac bone flap resection. B Look for suitable cutaneous perforators near the iliac tubercle and the medial side of the iliac bone, and then the cutaneous perforator or muscular branch separated from the surface to the interior. C Find the main trunk of deep iliac circumflex artery on the deep surface of internal oblique muscle. D Separate the deep circumflex iliac artery to its origin. E–H Bone knife chiseling iliac bone flap. I, J Complete free iliac bone flap

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