[Primary malignant melanoma of the mucosa of the nasal septum. A case report].

Mucosal melanomas are rare, representing 3% of malignant nasosinusal tumors. Their prognosis is poor. A case of malignant melanoma of the nasal septum is presented. A bibliographic review was made and the incidence, clinical features, diagnosis, treatment, and prognosis of these tumors are discussed.