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Skin cancer is the most common type of cancer in the United States. It’s also very treatable. Here’s what you need to know.
You were looking in the mirror and saw a strange spot on your back. And it got you thinking: Is this something I need to be worried about?
Many spots on your skin are harmless. But there are times when it’s a good idea to get your skin checked by a doctor.
The reason? Skin cancer is the most common type of cancer in the United States. Every day, about 9,500 people find out they have skin cancer.1 And it can be dangerous if it’s not treated.
But here’s the good news: When caught early, most skin cancers are treatable.1 Plus, there’s a lot you can do to protect your skin. Here’s what you need to know.
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Skin cancer happens when your skin cells grow abnormally.2 Here are some reasons why that might happen:1
The top layer of your skin (epidermis) is where most skin cancers start. And there are several types:2
These skin cancers are the most common category of skin cancer. They’re also the most treatable. About 3 million Americans are affected by them every year.1 They’re usually found on sun-exposed areas of the body. Those can include the face, arms and neck.
Basal cell cancer. This is the most common type of cancer. About 8 in 10 skin cancers are basal cell cancers. Basal cell cancer starts in the lower part of the top layer of your skin (basal cell layer).2
This type of cancer can be sneaky. People often think they just have a pimple or bug bite, says Howard Horlick, MD. He’s an Optum dermatologist in Port Jefferson Station and Syosset, New York. The spots are also normally the color of your skin. On lighter skin, they can also look pink, and on darker skin, they can also look black.
“Typically, they have a shiny surface,” says Dr. Horlick. “But they’re slow growing.”
So, how you can you tell if the spot might be cancer? Dr. Horlick lists some of the key warning signs:3
Squamous cell cancer. This type of cancer starts on the outer part of the top layer of your skin. About 2 in 10 skin cancers are squamous cell cancers.2 These can appear in many forms. They can be scaly reddish patches, open sores or wart-like growths. They can also develop in an old scar. Sometimes they look like a small horn growing from the skin.4
These cancers often appear on sun-exposed parts of the body. These include:2
In people with darker skin tones, squamous cell cancers can develop in areas that aren’t exposed to the sun.
Remember: These types of cancer are highly treatable if caught early. Common ways of treating these skin cancers include:5
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Melanoma is a much less common form of skin cancer. Only about 1 out of 100 skin cancers are melanoma, according to the American Cancer Society.7 But it can be a lot more dangerous. And if it’s not caught early enough, it can be more difficult for doctors to treat.8
Melanoma can look like a mole on your skin. Sometimes it can grow from an existing mole. Or it can appear on the skin out of nowhere.
Warning signs of melanoma. Many skin doctors follow the “ABCDEs of melanoma.”9 Here’s what each letter stands for:
Worried about a spot? The best thing you can do is schedule an appointment with a dermatologist. They can help you figure out if the spot needs more attention.
The best way to avoid skin cancer: Protect your skin from damaging UV rays. Keep these skin-safety tips in mind:
1. Wear sunscreen that’s at least SPF 30. Make sure it says “broad spectrum” on the label.10 That means it protects against UVA and UVB rays. Put it on your face, neck, hands and any other exposed skin every day. And put it on at least 15 minutes before you go outside. Reapply every 2 hours, or sooner if you’re swimming or sweating a lot.10
2. Don’t forget a hat and sunglasses. A hat with a wide brim will help protect your face and neck.11 And sunglasses that offer UV protection can help in two ways. They lower your chance of developing cataracts, and they lower your chance of developing skin cancer around your eyes.12 Even with these items, it’s best to head for the shade between 10 a.m. and 2 p.m. That’s when the sun’s rays are strongest.11
3. Wear sun-protective clothing. Long-sleeved shirts and coverups made from special SPF fabric are another good way to shield your skin. They keep the sun’s damaging UV rays from reaching your skin. Of course, you still want to put sunscreen on any skin that is not covered.
4. Check your skin often. Dr. Horlick advises checking your skin from head to toe once a month. And be aware that a spot could appear on your back, and you may never know it’s there. So have someone you trust, such as your spouse or a family member, check your back for you. “If they see something different, that’s when you should go to a dermatologist,” he says.
5. Just say no to indoor tanning. There is no such thing as a safe tan. UV light from tanning beds is similar to that of the sun and can increase your risk of skin cancer.13
You can buy sunscreen and other sun-protection products at the Optum Store — all from the comfort of home. Start exploring.
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