Review Article
Head and Neck Melanoma
Table 1
Characteristics and incidence of morphologic subtypes of melanoma.
| Subtype | Incidence | Special features |
| Superficial spreading | 75% | Flat during early phase, typically from preexisting nevus | Nodular | 15% | Early vertical growth | Lentigo maligna | 10% | Prolonged radial growth | Acral lentiginous | 2–8% | Palms, soles, and nail beds | Desmoplastic | low | Associated with perineural invasion | Mucosal | 2% | Poorer prognosis |
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