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Radiol Case Rep. 2018 Feb 3;13(2):361-364. doi: 10.1016/j.radcr.2018.01.014. eCollection 2018 Apr.

Large intramuscular lipoma of the tongue.

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WWAMI Medical Education Program, University of Washington School of Medicine, 1959 NE Pacific St, Seattle, WA 98195, USA.
St Joseph Regional Medical Center, 415 6th St, Lewiston, ID 83501, USA.
WWAMI Medical Education Program and Department of Biological Sciences, University of Idaho, 875 Perimeter Dr, Moscow, ID 83844-3051, USA.


We describe a case of a 57-year-old man referred to an oral maxillofacial surgeon for a nontender, large intramuscular tongue mass. A computed tomography scan with contrast showed a homogenous right tongue intramuscular fatty mass measuring 3.8 cm × 2.8 cm in the axial dimension and 2.2 cm in the craniocaudal dimension. Histologic examination revealed multiple lobulated sections of mature adipocytes and occasional entrapped skeletal muscle fibers. The final pathologic diagnosis was intramuscular lipoma. Although lipomas account for approximately 50% of all soft tissue neoplasms, intramuscular (infiltrating) lipoma of the tongue is exceedingly rare.


Infiltrating lipoma; Intramuscular lipoma; Oral lipoma; Tongue

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