“…Sinonasal melanomas appear to be the most common of the head and neck mucosal melanomas [12,18]. Sinonasal melanomas arise in a variety of sites with approximately 55% arising in the nasal cavity, 12% to 44% in the lateral wall, 8% to 20% in the nasal septum and 10% to 50% in a single sinus [15,19,20]. Melanomas may take a variety of cell shapes with epithelioid, plasmacytoid, undifferentiated, spindle cell, clear cell and mixed types being reported [15,17,21].…”