Abstract
Intramuscular lipoma of the tongue is rarely reported in the literature. We treated an 83-year-old man with an intramuscular lipoma of the mobile tongue. The patient consulted our hospital with a chief complaint of swelling of the tongue. T1- and T2-weighted MRI clearly showed a mass lesion, with a tumor size of 28×19×31mm. The tumor was excised under general anesthesia. Histopathological examination showed proliferation of mature adipose cells, including bundles of muscle fibers. On the basis of the results of histopathological examination, we diagnosed an intramuscular lipoma arising from the tongue. There have been no signs of recurrence as of 10 months after surgery.
A review of the Japanese literature showed 10 cases of solitary intramuscular lipoma of the tongue.