What is melanoma?
Melanoma is a type of skin cancer. It starts in skin cells called melanocytes. Melanocytes make the brown substance that gives skin its color. So melanomas are usually a dark color. The cancer can start in normal skin or in a mole Moles Moles are small skin growths that can be anywhere on your body. They are usually dark in color and are round or oval. Almost everyone has some moles. Moles often first appear when you are a... read more 
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Melanoma usually starts as a new, small, dark-colored growth on a sun-exposed part of your skin
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Melanoma can also start in a part of your body that doesn’t get sunlight, like the inside of your mouth
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The cancer spreads easily to other parts of the body where it destroys tissue and is often fatal
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To diagnose melanoma, doctors do a biopsy, which is taking out a small sample of the tissue to look at it under a microscope
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If your melanoma is diagnosed early enough, surgery Surgery for Cancer Cancer surgery is when doctors operate on you to cut out your cancer. Usually, doctors operate only when: The cancer hasn't spread (metastasized) anywhere Your body is strong enough to go through... read more can usually cure it
Melanoma isn't nearly as common as other skin cancers. However, it's more deadly.
Who is at risk for melanoma?
What are the symptoms of melanoma?
How can doctors tell if I have melanoma?
Doctors will do a biopsy (cut out a small sample of your tissue to look at under a microscope).
ABCDEs of melanoma
The warning signs of melanoma are sometimes called the ABCDEs of melanoma. The letters ABCDE stand for:
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Asymmetry: the two halves of the skin growth aren't the same shape
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Borders: the skin growth has a ragged border or blends into the surrounding skin
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Color: the skin growth changes color, especially to brown, black, red, white, blue or a color different or darker than your other moles
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Diameter: the skin growth is wider than a quarter inch (larger than the size of a pencil eraser)
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Evolution: the skin growth appears when you're more than 30 years old, or has grown or changed recently
How do doctors treat melanoma?
Doctors treat melanoma with surgery Surgery for Cancer Cancer surgery is when doctors operate on you to cut out your cancer. Usually, doctors operate only when: The cancer hasn't spread (metastasized) anywhere Your body is strong enough to go through... read more by cutting out the skin growth and at least a half inch of skin around the cancer. If surgery isn’t possible, your doctor may give you medicine, try killing the growth with extreme cold (cryotherapy), or give you radiation Radiation Therapy Radiation therapy is a cancer treatment that uses beams of radiation to destroy cancer cells and shrink cancer tumors. Doctors use radiation to treat many types of cancer, including head, neck... read more .
If the melanoma spreads to other parts of your body, your doctor may try:
How can I prevent melanoma?
You can help prevent melanoma by limiting sun exposure:
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Stay out of the sun—sit in the shade, try to avoid the sun between 10:00 am and 4:00 pm
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Don't sunbathe or use tanning beds
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Wear protective clothing, such as long-sleeved shirts, pants, and hats with broad brims
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Use sunscreen that’s at least 30 sun protection factor (SPF)—it's important to use more sunscreen every 2 hours and after swimming or sweating
Visit your doctor at least once per year for a skin exam if you:
See a doctor if you see a change in a skin growth that doesn't go away after a few weeks.
