{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T16:10:02Z","timestamp":1768925402250,"version":"3.49.0"},"reference-count":25,"publisher":"SLACK, Inc.","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Orthopedics"],"published-print":{"date-parts":[[2011,10,5]]},"abstract":"<jats:p>Avascular necrosis of the femoral head is usually seen in children aged 1.5 to 10 years, reaching a peak incidence between the ages of 4 and 9. Avascular necrosis of the femoral head is a known complication of corticosteroid therapy in acute lymphoblastic leukemia. There are few reports in the literature regarding the natural history of this condition, and there is no consensus on its management. This study examined the natural history of avascular necrosis of the femoral head in children with leukemia.<\/jats:p>\n          <jats:p>From 1993 to 2006, a total of 865 children with acute lymphoblastic leukemia were admitted to the hematology-oncology ward of a children\u2019s hospital. The diagnosis of acute lymphoblastic leukemia was established by bone marrow aspiration. Based on clinical and radiographic findings, avascular necrosis of the femoral head was found in 7 patients; these patients underwent follow-up for 4 to 9 years. Avascular necrosis of the femoral head was clinically symptomatic in all of the children, and they had advanced radiographic collapse of the femoral head. However, the head of the femur was not at risk in any patient based on clinical and radiographic findings. Patients received supportive treatment such as abduction brace and physiotherapy. After 4 to 9 years of follow-up, clinical and radiographic results were satisfactory. Provided that the head of the femur is not at risk, avascular necrosis of the femoral head in children with acute lymphoblastic leukemia may be successfully managed with nonoperative care.<\/jats:p>","DOI":"10.3928\/01477447-20110826-07","type":"journal-article","created":{"date-parts":[[2011,9,28]],"date-time":"2011-09-28T17:53:57Z","timestamp":1317232437000},"source":"Crossref","is-referenced-by-count":15,"title":["Avascular Necrosis of the Femoral Head in Children With Acute Lymphoblastic Leukemia: A 4- to 9-year Follow-up Study"],"prefix":"10.3928","volume":"34","author":[{"given":"Firooz","family":"Madadi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bibi Shahin","family":"Shamsian","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Samin","family":"Alavi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Firoozeh","family":"Madadi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alireza","family":"Eajazi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Afshin","family":"Aslani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2308","reference":[{"key":"e_1_3_2_2_2","first-page":"787","volume-title":"Campbell\u2019s Operative Orthopaedics","author":"Dutkowsky JP","year":"1998","unstructured":"Dutkowsky JP. 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