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  • Title: Epithelial-myoepithelial carcinoma ex pleomorphic adenoma of the parotid gland with unique histologic differentiation: A rare case report.
    Author: Nandini DB, Singh WT, Aparnadevi P, Ningombam DS.
    Journal: J Oral Maxillofac Pathol; 2022 Feb; 26(Suppl 1):S34-S39. PubMed ID: 35450241.
    Abstract:
    Epithelial myoepithelial carcinoma (EMC) is an uncommon low-to-intermediate grade salivary gland malignancy that accounts for 1% of all tumors arising in salivary glands. About 80% of these tumors affect the parotid gland. These lesions either arise de novo or from existing pleomorphic adenoma (PA). Histologically, these tumors reveal a biphasic cell population with inner ductal epithelial cells and peripheral myoepithelial cells. There are many histologic variants of EMC, but sebaceous, verocay-like differentiation and high-grade transformation is very rarely reported. This article describes a 48-year-old female patient diagnosed with EMC ex PA with unique histologic differentiation.
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