Steel iliofemoral fusion. A, Proximal femur is absent. B, The femur has been shortened to just above the distal physis and rotated 180 degrees so that popliteal fossa now faces anteriorly. A Chiari pelvic osteotomy has been fixed with two screws; this is optional depending on bony contact of the femur to the pelvis. The femur is fixed to the pelvis with several screws. C, Lateral view of the final position of the femur. It is important that the femur be shortened as much as possible and that the femoral epiphysis be ablated.