The term lentigo encompasses an array of related hyperpigmented lesions, which include lentigo simplex, nevus spilus, agminated lentigines, solar lentigo, and lentigo maligna (see Table 2).

Lentigo maligna melanoma is a melanoma in situ on sun-damaged skin. It is a variably brown-pigmented flat patch on the head or neck of elderly patients. Its growth is generally slow, but it can ...