Myofibromas presenting in the oral cavity: A series of 9 cases

Elizabeth Montgomery, Paul M. Speight, Cyril Fisher

Research output: Contribution to journalArticle

Abstract

Objectives. Solitary myofibromas are well described in the head and neck, but oral examples are less well known, and jaw lesions are rare. We studied the clinicopathologic features of a series of such lesions. Design. Nine cases of oral myofibromas were retrieved from archives and studied. Results. Two cases involved the mandible (intraosseous), 3 involved the gingiva, 2 involved the tongue, and 2, the hard palate. There were 4 men and 5 women, aged 9 months to 50 years (mean, 24 years; median, 27 years). Deep lesions showed typical histology, with paucicellular lobules and intervening hemangiopericytoma-like zones. In ulcerated submucosal lesions, these features blended superficially with cellular fascicles. The tumors expressed smooth muscle actin but lacked desmin and S100 protein. None of the tumors recurred or metastasized. Conclusion. Myofibromas appear in osseous, intramuscular, and submucosal aspects of the oral cavity. Ulceration imparts a fascicular appearance that makes superficial biopsy specimens difficult to interpret.

Original languageEnglish (US)
Pages (from-to)343-348
Number of pages6
JournalOral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Volume89
Issue number3
DOIs
StatePublished - Jan 1 2000

ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology
  • Dentistry(all)

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