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Causes of melanoma. Ultraviolet light exposure from the sun or from tanning beds causes most melanomas. Melanoma may appear at a spot where you have an existing mole. But if an unusual spot shows ...
Melanoma is the most dangerous type of skin cancer; it develops from the melanin-producing cells known as melanocytes. [1] It typically occurs in the skin, but may rarely occur in the mouth, intestines, or eye (uveal melanoma). [1] [2] In women, melanomas most commonly occur on the legs; while in men, on the back. [2]
A mole can be either subdermal (under the skin) or a pigmented growth on the skin, formed mostly of a type of cell known as a melanocyte. The high concentration of the body's pigmenting agent, melanin, is responsible for their dark color. Moles are a member of the family of skin lesions known as nevi (singular "nevus"), occurring commonly in ...
These include changes in the skin that do not heal, ulcering in the skin, discolored skin, and changes in existing moles, such as jagged edges to the mole, enlargement of the mole, changes in color, the way it feels or if it bleeds. Other common signs of skin cancer can be painful lesion that itches or burns and large brownish spot with darker ...
Melanoma, the deadliest form of skin cancer, can grow quickly and spread to any organ if not found and treated early, the Cleveland Clinic warns.More than 100,000 new cases of melanoma will be ...
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Acral lentiginous melanoma (ALM) is a type of skin cancer. [6] It typically begins as a uniform brownish mark before becoming darker and wider with a blurred, irregular border. ALM is most frequently seen on the foot of a person with darker skin but can also be found in non-sun exposed areas such as the palms, soles, and under finger and ...
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