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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 ...
Spitz nevus is the medical name for a benign mole. They share a similar appearance with other moles, some that are cancerous. Learn more here.
According to the American Academy of Dermatology, the most common types of moles are skin tags, raised moles, and flat moles. Benign moles are usually brown, tan, pink, or black (the latter especially on dark-colored skin). They are circular or oval and are usually small (commonly between 1–3 mm), though some can be larger than the size of a ...
However, a melanocytic nevus is benign, and melanoma is malignant. Most melanocytic nevi never evolve into a cancer, with the lifetime risk for an individual nevus being 1 in 3000 for men and 1 in 11 000 for women. [5] Moreover, dermatologists have a standardized system for determining whether a skin lesion is suspicious for malignant melanoma.
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]
For example, Eilian's cancerous mole was much darker than the other moles on her body, she notes. Melanomas are more common in “very fair-skinned people,” who have red or blond hair, or blue ...
The blue colour is caused by the pigment being deep in the skin. [4] Diagnosis is by visualisation and dermoscopy. [4] A biopsy is sometimes performed, or the whole lesion surgically removed. [3] The outcome is generally good but there is a small chance of cancerous transformation. [3] Differential diagnosis includes dermatofibroma and melanoma ...
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