혀에서 발생한 골성 분리종

Osseous choristoma is an extremely rare lesion of the oral cavity. It occurs usually in the tongue and exclusively in the flat bones of the skull. It is asymptomatic and only present when there is a disruption in the function of the organ due to its large size as it grows. A 61-year-old female was referred From neurologic department to ENT clinic because of tongue mass found accidentally. We tried surgical excision and the histopathologic report was osseous choristoma. So We report a case of osseous choriostoma with review of the literature. (J Clinical Otolaryngol 2014;25:244-246)