| Type | Frequency (%) | Site | Radial Growth | Vertical Growth |
|---|---|---|---|---|
| Superficial spreading | 70 | Any site, lower extremities, trunk | Months to 2 years | Delayed |
| Nodular | 15 | Any site, trunk, head, neck | No clinically perceptible radial growth | Immediate |
| Lentigo maligna melanoma | 5 | Face, neck, dorsa of hands | Years | Much delayed |
| Acral lentiginous melanoma | 5-10 | Palms, soles, subungual | Months to years | Early but recognition delayed |