Intertrochanteric osteotomy for osteonecrosis.
Intertrochanteric osteotomy is an effective surgical option in certain well-selected cases of osteonecrosis of the femoral head.  The size of the lesion on plain radiographs in the anteroposterior and lateral projections is a critical determinant of success.  The best candidates are patients with less than 50% of head involved in the necrotic sector.  Collapse of the femoral head is not a contraindication to osteotomy.  Location of the necrotic sector determines whether varus, valgus, flexion, or extension are most appropriate alone or in combination.
Department of Orthopaedic Surgery, University of California at San Diego.
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Santore
D000328:Adult; D005271:Femur Head Necrosis / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D010027:Osteotomy / Q000379:methods*; D011859:Radiography