[Primary malignant melanomas of the nasal fossae].

Melanoma of the nasal and paranasal sinus mucosa represented less than 1% of all melanomas. Melanoma to be localized commonly in nasal septum and your prognosis is poor. We presented three cases with a mean age of 75 years. The tumor was localized in nose. The melanocytes were presented in only case. All the tumoral cells stained with S-100 and HMB-45. In a case the vascular invasion was presented. Only a patient was treated with surgical excision. Two patients death 8 months after diagnosis.