An invasive tumor arising from a classical lentigo maligna. Treatment depends on the thickness of the invasive component of the lentigo maligna. It is also referred to as "simple lentigo" and "juvenile lentigo". Lentigo simplex is the most common form of lentigo. The flesh of "Lentigo lentiginosus" is edible, and it is locally collected for food. A lentigo has an increased "number" of melanocytes. Lentigo maligna is not the same as lentigo maligna melanoma, as detailed below. Lentigo maligna is a histopathological variant of melanoma "in situ". Melanoma-in-situ and lentigo malignas are treated with narrower surgical margins, usually . Lentigo maligna is the non-invasive skin growth that some pathologists consider to be a melanoma-in-situ.