Pleomorphic Adenoma With Mucinous and Squamous Differentiation: A Mimicker of Mucoepidermoid Carcinoma

Abstract

Pleomorphic adenoma with foci of squamous and mucinous differentiation can potentially be misdiagnosed as low-grade mucoepidermoid carcinoma. The circumscribed borders of the tumor, gradual merging of mucoepidermoid foci into areas typical of pleomorphic adenoma, and presence of keratinization are features against the latter diagnosis.

Keywords

pleomorphic adenoma mucoepidermoid carcinoma carcinoma ex pleomorphic adenoma salivary gland neoplasm

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