Differentiated Malignant Myoepithelioma of the Parotid Gland: A Rare Case Report

摘要

Malignant myoepithelioma (MM) is an epithelial malignant tumor in which predominant differentiation of the tumor cells are myoepithelial in nature. Dedifferentiated MM is an extremely rare entity. We report here a rare case of the parotid tumor of dedifferentiated MM with its many morphological and immunohistochemistry features.