See where the deadliest skin cancer can develop
Think melanoma strikes only the typical sun-exposed areas of your skin? This deadly cancer can surface in surprising places, says dermatologist Christine Poblete-Lopez, MD:
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Melanoma arises from melanocytes (cells that give us pigment). They are everywhere you’ve got skin. So, although it’s rare, melanoma can develop in your belly button, armpits and groin.
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Yes, you also have melanocytes in your nail beds, feet and hands. Melanomas in these areas are more aggressive, likely due to a delay in diagnosis. They are more common among Asians and African-Americans.
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Melanocytes also inhabit the colored iris of your eye, and you can develop melanoma there. When anyone develops melanoma, routine eye checks are as vital as skin checks.
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It’s rare, but melanomas can develop in your body’s mucous membranes. These line your mouth, throat, genitalia, urinary tract, anus and rectum.
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A full head of hair helps protect your scalp from the sun. But once hair starts to thin, melanoma can develop there, especially on the crown of the head.
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You can’t blame melanoma entirely on the sun’s ultraviolet rays. Genetics also play a role. Multiple sunburns and exposure to tanning beds also increase your risk.
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Apply sunscreen daily, just like you brush your teeth. Reapply it when going outdoors. For full protection, you should also wear sun-protective clothing, seek shade, and avoid direct sun between 10 a.m. and 3 p.m. (You can get vitamin D from supplements.)
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