Abstract
Primary hemangioma of any bone is a rare condition. Primary hemangioma of the nasal bone, as far as we could determine, has never been reported. Hemangioma is a common type of tumor occurring in such locations as the liver, eyelid, orbit or tongue. It is composed of vascular spaces lined by endothelial cells, the spaces being occupied by blood cells and separated by a thin avascular connective tissue stroma. Primary hemangioma of the bone arises within the bony substance, as opposed to hemangioma which arises in another tissue and then invades the bone. The latter is occasionally found in the nasal cavity, invading the septum or the sinuses. The cause of hemangioma of the bone is unknown. Trauma does not seem to be a causative factor. The presence of cell rests in the vascular spaces of the bone may account for the growth. The first report of roentgen examination
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