Myoepithelial carcinoma: A report of two cases and review of the literature

Spiros Manolidis, Paul J. Donald, Regina F Gandour-Edwards

Research output: Contribution to journalArticle

Abstract

Objectives: Myoepithelial carcinoma is a rare neoplasm of salivary gland origin. The tumor cells demonstrate morphologic, immunohistochemical and electron-microscopic features of myoepithelial cells and lack ductal and acinar differentiation. Only one series of 10 compiled cases exists in the literature. An additional 7 cases have been reported. The clinical behavior is that of a malignant tumor with a tendency for local recurrence and a propensity for distant metastases. Material and Methods: We add our experience of 2 cases of myoepithelial carcinoma. Both cases arose in the parotid gland. A myoepithelioma had been excised via a parotidectomy several years prior to the presentation with myoepithelial carcinoma. In addition one of the patients demonstrated distant osseous metastases. To our knowledge neither of these features have previously been reported in the literature. Results and Conclusions: The histological features of myoepithelioma and myoepithelial carcinoma are compared. The histogenesis of these unusual tumors, natural history and treatment are discussed.

Original languageEnglish (US)
Pages (from-to)220-226
Number of pages7
JournalOto-Rhino-Laryngologia Nova
Volume7
Issue number5-6
StatePublished - 1997

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Myoepithelioma
Carcinoma
Salivary Gland Neoplasms
Neoplasm Metastasis
Neoplasms
Parotid Gland
Natural History
Electrons
Recurrence
Therapeutics

Keywords

  • Myoepithelial carcinoma
  • Myoepithelioma
  • Salivary malignancy

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Myoepithelial carcinoma : A report of two cases and review of the literature. / Manolidis, Spiros; Donald, Paul J.; Gandour-Edwards, Regina F.

In: Oto-Rhino-Laryngologia Nova, Vol. 7, No. 5-6, 1997, p. 220-226.

Research output: Contribution to journalArticle

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