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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
CASE REPORT Table of Contents   
Year : 2014  |  Volume : 18  |  Issue : 1  |  Page : 118-120
An unusual case of epithelial-myoepithelial carcinoma of the parotid gland radiologically simulating a benign lesion


1 Department of Oral Pathology, Terna Dental College, Maharashtra, India
2 Yerala Medical Trust's Dental College, Navi Mumbai, Maharashtra, India

Correspondence Address:
Shubhra Sharma
D 31,1 4, Sagar Sangam CHS, Sector 4, Nerul (W) 400706, Navi Mumbai, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-029X.131935

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Epithelialmyoepithelial carcinoma (EMEC) 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. Here, we present a case of EMEC in a 60-year-old male patient with a huge swelling in the left parotid gland region. Clinically and radiologically, it simulated a benign salivary gland neoplasm. However, fine-needle aspiration cytology and histologic examination revealed atypical myoepithelial cells in solid sheets or nests suggestive of epithelial-myoepithelial carcinoma. Diagnosis was further confirmed by positive immunohistochemical staining with calponin (CALP) and periodic acid-Schiff (PAS) for glycogen.


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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
Online since 15th Aug, 2007