International Scholarly Research Notices

Review Article

Head and Neck Melanoma

Table 1

Characteristics and incidence of morphologic subtypes of melanoma.
SubtypeIncidenceSpecial features
Superficial spreading75%Flat during early phase, typically from preexisting nevus
Nodular15%Early vertical growth
Lentigo maligna10%Prolonged radial growth
Acral lentiginous2–8%Palms, soles, and nail beds
DesmoplasticlowAssociated with perineural invasion
Mucosal2%Poorer prognosis