Often the first sign of melanoma is a change in the shape, color, size or feel of an existing mole. Melanoma may also appear as a new mole. Thinking of “ABCDE” can help you remember what to look for:

■ Asymmetry: The shape of one half does not match the other half.
■ Border that is irregular: The edges are often ragged, notched or blurred. The pigment may spread into the surrounding skin.
■ Color that is uneven: Shades of black, brown and tan may be present. Areas of white, gray, red, pink or blue may also be seen.
■ Diameter: There is a change in size, usually an increase. Melanomas can be tiny, but most are larger than the size of a pea (larger than 6 millimeters or about 1/4 inch).
■ Evolving: The mole has changed over the past few weeks or months.

Melanomas can vary greatly in how they look. Many show all of the ABCDE features. However, some may show changes or abnormal areas in only one or two of the ABCDE features. In more advanced melanoma, the texture of the mole may change. The skin on the surface may break down and look scraped. It may become hard or lumpy. The surface may ooze or bleed. Sometimes the melanoma is itchy, tender or painful. Regular skin checks are important. Ask your doctor how often you should get your moles/ skin checked by a dermatologist.

— Source: National Cancer Institute

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