Two Cases of Choristoma in Base of the Tongue

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Korean Journal of Head & Neck Oncology 2004;20(1):49-51.
Published online May 30, 2004.

Jung Ki Nam;Jin Hyoung Chun;Young Hee Choi;Chan Hum Park

설기저부에 발생한 골성 분리종 2예

정기남;전진형;최영희;박찬흠

Abstract

A choristoma is a tumor like mass of normal tissue in an abnormal location. Lingual osseous choristoma, previously known as osteoma of the tongue base, is rare entity. That is defined as a normal bone mass occuring in the soft tissue of either the skin or the mucosa of oral cavity. The cause of osseous choristoma of the tongue is still unknown, but only several theories have been suggested. Because of the rarity of this entity, our purpose is to add our case to the literature, and to discuss the nature of the disease.

Key Words: Choristoma, Tongue base

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