A case of parotid gland myoepithelial carcinoma mainly composed of rhabdoid cells

Abstract

Background : We report a case of myoepithelial carcinoma of the parotid gland with containing rhabdoid cells.

Case : A 60- year-old man referred to us with a mass in the parotid region was diagnosed by computed tomography (CT) and magnetic resonance imaging (MRI) as having a tumor of the left parotid gland. Aspiration cytology showed a small number of clustered rhabdoid cells with abundant cytoplasm and eccentric nuclei in a necrotic background. Based on the histological and immunohistochemical findings, the tumor was definitively diagnosed as myoepithelial carcinoma.

Conclusions : Myoepithelial carcinoma with rhabdoid cells is a rare neoplasm of the salivary gland, that should be included in the differential diagnosis of salivary gland tumors in cases where the smears contain rhabdoid cells.