Korean J Otolaryngol-Head Neck Surg.  2006 Mar;49(3):349-352.

Malignant Myoepithelioma of the Parotid Gland: A Case Report and Review of the Literature

Affiliations
  • 1Department of Otolaryngology, Presbyterian Medical Center, Jeonju, Korea. medschool@empal.com

Abstract

Myoepitheliomas of salivary gland occur infrequently and are generally benign. Malignant myoepitheliomas of salivary gland are extremely rare tumor, and increasing number of case reports have shown that malignant myoepitheliomas may either arise de novo or develop in a pre-existing pleomorphic adenoma. In our case, myoepitheliomas was located in the parotid gland, and tumor cells displayed morphological features of spindle & epithelioid cells. Their clinical behavior by literature seems variable. This case dealt with malignant myoepithelioma of the parotid gland in a 65-year-old man with a relatively favourable course, and was followed up for 2 years and 5 months. In addition, this case illustrates some of the characteristic clinical and pathological features of this rare tumor.

Keyword

Myoepithelioma; Parotid gland

MeSH Terms

Adenoma, Pleomorphic
Aged
Epithelioid Cells
Humans
Myoepithelioma*
Parotid Gland*
Salivary Glands
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