[Myoepithelioma of nasal cavity: a case report].

Myoepithelioma is an uncommon benign tumor that most likely occurs in the salivary gland. Extra-salivary myoepithelioma are sporadic and rare, especially the quantities occur in the sinonasal cavity are fewer in related literature reported. In this paper, we present a rare case of benign myoepithelioma that occurred in the nasal cavity, and the related process of pathogenesis, diagnosis, treatment and prognosis are discussed.