Intraosseous hemangioma of the zygoma: CT and MR findings

Intraosseous hemangiomas are uncommon, constituting less than 1 % of all os seous tumors. The most frequent sites are the calvaria and the vertebral co lumn. Involvement of the facial bones is rare, and occurs most commonly in the maxilla, mandible, and nasal bones. Only 20 cases of zygomatic involvem ent have been reported in the English-language literature. We report a case of an intraosseous hemangioma of the zygoma documented by CT and MR studie s.