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The Korean Journal of Cytopathology 2008;19(2): 173-177.
doi: https://doi.org/10.3338/kjc.2008.19.2.173
Fine-Needle Aspiration Cytology of Epithelial-Myoepithelial Carcinoma of Parotid Gland: A Report of Two Cases.
Hyekyung Lee, Eunjoo Jang, Jooheon Kim, Dongwook Kang, Hyunjin Son, Meeja Park
Department of Pathology, Eulji University, College of Medicine, Daejon, Korea. pmj@eulji.ac.kr
Epithelial-myoepithelial carcinoma (EMC) is a rare low grade malignant tumor of the salivary glands and it shows a characteristic biphasic population of epithelium and myoepithelium. It shows various cytologic and histologic features, so making an exact diagnosis is difficult. We report here on two cases of epithelial-myoepithelial carcinoma arising from the parotid gland and we compare the cytologic findings of the aspirated samples with the histologic findings of the tumors. We think the finding of mixed pattern of large, clear myoepithelia and small epithelia is the most valuable finding in the diagnosis of EMC.
Key Words: Epithelial-myoepithelial carcinoma; Aspiration cytology