舌下面正中に発生した軟骨性分離腫 [in Japanese] Cartilaginous choristoma occurring at the midline of the inferior surface of the tongue [in Japanese]
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We report a case of cartilaginous choristoma of the tongue with a review of the literature. A 76-year old woman had been aware of a soft tumor present at the midline of the inferior surface of the tongue for several years. At presentation, the tumor was approximately 8mm in diameter and situated in the middle of the inferior surface of the tongue. The tumor was excised under local anesthesia. Histological examination revealed that the tumor had cartilaginous characteristics. The histological diagnosis was cartilaginous choristoma of the tongue. To our knowledge, this tumor has not yet been reported previously in this region. The etiology of this tumor remains unclear. The most plausible theory is that the tumor originates from traces of ectopic embryonic tissue or mesenchymal metaplasia.
- Journal of Oral Surgery Society of Japan
Journal of Oral Surgery Society of Japan 52(4), 246-248, 2006-04-20
Japanese Society of Oral and Maxillofacial Surgeons