頬粘膜下に発生した筋肉内脂肪腫の1例 [in Japanese] A case of intramuscular lipoma of the buccal submucosa [in Japanese]
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Intramuscular lipoma is characterized by muscular fibers in mature adipose tissue and is extremely rare in oral tissues. A 69-year-old man had noticed a painless swelling of the right buccal submucosa 20 years previously. The patient was referred to us for evaluation and treatment of the mass, which had significantly grown over the last year. The bulbous mass measured 35×20×25mm and was elastic soft in consistency. The mass was movable, but partially adhered to the surface of the buccal mucosa. We diagnosed it as lipoma on computed tomography.<BR>The tumor was removed surgically under general anesthesia. Even though the mass did not have a capsule, it was easily removed, except for the part of the buccinator muscle infiltrated by the tumor. Histopathological examination of the surgical specimen showed intramuscular lipoma. There has been no recurrence of the tumor for eighteen months since the operation.
- Journal of Oral Surgery Society of Japan
Journal of Oral Surgery Society of Japan 52(12), 716-719, 2006-12-20
Japanese Society of Oral and Maxillofacial Surgeons