Iliofemoral fusion for proximal femoral focal deficiency

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Steel-HH; Lin-PS; Betz-RR; Kalamchi-A; Clancy-M J-Bone-Joint-Surg-Am. 1987 Jul; 69(6): 837-43 Iliofemoral fusion, as performed for proximal femoral focal deficiency, is designed so that the knee, acting at the level of the triradiate cartilage, will act as the hip. This procedure was indicated in four of our patients to promote fitting of a prosthesis. The results after follow-up of more than five years are reported. Two of the patients also had a Van Nes rotationplasty and two had a Syme amputation. The Syme amputation produced better results. Distal epiphyseodesis of the ipsilateral femur also was performed in three of the four patients to minimize the anterior prominence of the knee. Two patients required a closing wedge osteotomy of the distal part of the femur to improve the alignment. All four patients walked well as functional above-the-knee amputees.