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Eosinophilic granuloma of bone was described as a new distinct entity by Jaffe and Lichtenstein(1940), characteristically a disease of children and young adults and is the most benign variant of histocytosis X. This benign bone destructive lesion is characterixed by the presence of a histiocyte and eosinophilic leukocyte infiltration of unknown origin. Most of lesion occur in the skull, rib, spine or long bone and mostly involves diaphysis and prognosis is relatively good. We reviewed the 10 patients with eosinophilic granuloma of bone from January 1990 to May 1995. Age ranged from 1 to 28 years old. The average duration of follow up was 16 months with a range of 12 to 36 months. Prevalent sites were spine, scapula, femur, tibia, fibular, humerus, clavicle, in order. After teatment with biopsy and cuettage, we obtained good clinical results without local recurrence.
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