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KMID : 0602820000060010108
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Korean Journal of Bronchoesophagology
2000 Volume.6 No. 1 p.108 ~ p.112
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A Case of Epithelial-Myoepithelial Carcinoma of the Parotid Gland
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Abstract
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Epithelial-myoepithelial carcinoma(EMC) is a rare low grade malignant salivary gland neoplasm that most commonly occurs in the parotid gland but can also arise in minor salivary glands. It is a distinct neoplasm characterized by tubular and solid
growth
patterns and a dual cell population including an inner larger of cuboidal to columnar epithelial cells which are peripherally bounded by a layer of myoepithelial cells with distinctly clear cytoplasm. The clinical course is characterized by a
high
incidence of local recurrence and not infrequent distant metastasis. The differential diagnosis included acinic cell tumor, adenoid cystic carcinoma, mucoepidermoid carcinoma, sebaceous carcinoma and pleomorphic adenoma. We report a case of EMC
of
left
parotid gland in a 55-year-old woman.
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