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Intramuscular myxoma of the masseter muscle. A case report.
Oral and Maxillofacial Surgery 2009 March
PURPOSE: Myxomas are benign, locally infiltrative, connective tissue tumors that rarely occur in the head and neck region. The purpose of this paper is to describe a very rare case of an intramuscular myxoma of the masseter muscle.
METHODS: A 74-year-old man presented with a 2-year history of a painless swelling over his left preauricular region. Computed tomography scan showed an intramasseter well-defined soft tissue mass. After a preauricular approach, a circumscribed solid gelatinous tumor was excised with thin margins including adjacent muscle tissue.
RESULTS: Histopathology revealed an intramuscular myxoma, completely resected. The patient made an uneventful recovery, and there were no signs of recurrence 26 months after surgery.
CONCLUSIONS: Intramuscular myxoma of the masseter is an extremely rare entity, but it must be considered in the differential diagnosis of the swellings of the preauricular region.
METHODS: A 74-year-old man presented with a 2-year history of a painless swelling over his left preauricular region. Computed tomography scan showed an intramasseter well-defined soft tissue mass. After a preauricular approach, a circumscribed solid gelatinous tumor was excised with thin margins including adjacent muscle tissue.
RESULTS: Histopathology revealed an intramuscular myxoma, completely resected. The patient made an uneventful recovery, and there were no signs of recurrence 26 months after surgery.
CONCLUSIONS: Intramuscular myxoma of the masseter is an extremely rare entity, but it must be considered in the differential diagnosis of the swellings of the preauricular region.
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