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what is melanoma

Melanoma is usually, but not always, a cancer of the skin. It begins in melanocytes – the cells that produce the pigment melanin that colors the skin, hair and eyes. Melanocytes also form moles, where melanoma often develops. Having moles can be a risk factor for melanoma, but it’s important to remember that most moles do not become melanoma.

Cutaneous Melanoma is melanoma of the skin. Since most pigment cells are found in the skin, cutaneous melanoma is the most common type of melanoma. Cutaneous melanoma can be described in four main ways:
Superficial Spreading Melanoma
Nodular Melanoma
Acral Lentiginous Melanoma
Lentigo Maligna Melanoma
Desmoplastic Melanoma

Mucosal Melanoma can occur in any mucous membrane of the body, including the nasal passages, the throat, the vagina, the anus, or in the mouth
Ocular Melanoma, also known as uveal melanoma or choroidal melanoma, is a rare form of melanoma that occurs in the eye. Learn more about CURE OM, the MRF’s initiative focused on ocular melanoma
Unlike other cancers, melanoma can often be seen on the skin, making it easier to detect in its early stages. If left undetected, however, melanoma can spread to distant sites or distant organs. Once melanoma has spread to other parts of the body (known as stage IV), it is referred to as metastatic melanoma, and is very difficult to treat. In its later stages, melanoma most commonly spreads to the liver, lungs, bones and brain; at this point, the prognosis is very poor.