الفهرس 
Management and outcome of osteonecrosis of femoral head in skeletally immature patients with acute lymphoblastic leukemia
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Abstract
Acute lymphoblastic leukemia is the commonest malignancy during childhood and reports of the incidence of osteonecrosis developed during management of ALL are variable.For prospective part there were 13 patients with osteonecrosis of femoral head treated with epiphyseal drilling, soft tissue release and shelf osteotomy. Our conclusion is selected patients with small size lesion, intact lateral pillar (stage A) and lesions away from weight bearing area of the femoral head a long term follow ups and observation can be considered. While in patients with multifocal, large osteonecrosis, related to articular surface and affecting weight bearing area of femoral head with affected lateral pillar (grade B or C) closed observation and surgical management is considered