AU - Modabbernia, Shirin AU - Bagheri, Seyed Sara AU - Bashardoust, Nazanin TI - Malignant Mucosal Melanoma of the Maxillary Sinus PT - JOURNAL ARTICLE TA - gums-dent JN - gums-dent VO - 5 VI - 4 IP - 4 4099 - http://3dj.gums.ac.ir/article-1-252-en.html 4100 - http://3dj.gums.ac.ir/article-1-252-en.pdf SO - gums-dent 4 ABĀ  - Sinus mucosal malignant melanoma, is a rare type of melanoma with poor prognosis which is usually occurred in the adults. This is a rare case of a 33-year-old man presenting 2-week-long headache and nasal obstruction with the emphasis on the importance of Immunohistochemical staining to help the diagnosis. CP - IRAN IN - School of Dentistry. Guilan University of Medical Sciences, Rasht, Iran LG - eng PB - gums-dent PG - 32 PT - Original article YR - 2016