What is the difference between pink and black melanoma?

Amt. pigment: Most melanomas become nodular arising from a flat variegated skin lesion. Although the nodular lesion can arise in a pre-existing mole, it is more common to develop spontaneously from normal skin. The colors of nodular melanomas are usually black, blue-black, dark brown, or brown-red. However, occasionally they are red, pink, grey, or light to medium brown depending on amt of melanin pigment.

There are versions: of melanoma that are called amelanotic melanoma where there is no pigment and the lesions look more like pimples or pink