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Characteristics of 13 patients with mucosal melanoma of the head and neck.
| Characteristics | No. |
|---|---|
| Age (years) | 39–78 (average 61) |
| Gender | |
| Male | 3 |
| Female | 10 |
| Sites | |
| Nasal cavity | 8 |
| Sinonasal cavity | 5 |
| Maxillary sinus | 2 |
| Ethmoidal sinus | 2 |
| Sphenoidal sinus | 1 |
| Tumor stage | |
| Stage Ia | 5 |
| Stage Ib | 6 |
| Stage II | 1 |
| Stage III | 1 |
