One of the four clinical types of malignant melanoma, uncommon in whites but the most common type in nonwhites. It starts as an irregular enlarging black flat spot (macule), most often on the palm and sole, less often on a mucosal surface, such as the vulva or vagina.
- Melanoma, amelanotic
A colorless melanoma that is detectable only on close examination of the skin.
- Melanoma, benign
A benign growth of the melanocytes that is not cancerous. A mole may be a melanocytic nevus.
- Melanoma, choroidal
Malignant melanoma that arises in the eye. See ocular melanoma.
- Melanoma, conjunctival
An uncommon eye cancer that arises in the conjunctiva, the clear membrane that covers the outer surface of the eye and the inner part of the eyelids. Conjunctival melanoma accounts for 2% of all eye malignancies and tends, like melanoma of the skin, to occur in light skinned people. Features of the disease include fixation […]
- Melanoma, lentigo maligna
One of the four clinical types of malignant melanoma and the slowest growing type. Lentigo maligna melanoma typically begins as a patch of mottled pigmentation that is dark brown, tan, or black on sun-exposed skin, such as on the face.