Three Cases of Eosinophilic Granuloma of Bone

We treated three cases of eosinophilic granuloma of bone in eight years.Case 1; male, 32ys., left clavicle.Case 2; male, 12ys., fifth lumbar vertebra.Case 3; male, 12ys., left third rib.Treatment of three cases as follows.Case 1 and 3 were treated by operation.Case 2 was treated conservatively.Process of all cases is satisfactory.