We know we need to be proactive about wearing sunscreen to protect our skin. But how much do you know about staying safe from melanoma, the most dangerous form of skin cancer?Though it’s more rare than other types of the disease, melanoma accounts for the majority of skin cancer deaths. The U.S. Centers for Disease Control and Prevention reports that over 9,000 Americans die of melanoma each year, and the American Cancer Society estimates that more than 76,000 new cases of melanoma will be diagnosed this year.
Another thing you might not know: For the past 30 years, rates of melanoma have been rising, and it’s one of the most common cancers among young women. The good news is that most cases of melanoma — up to 90% of them, research suggests — are preventable. And like all skin cancers, melanoma is treatable, especially when it’s caught early.
Ahead, we cover what you need to know (but might not realize) about this potentially serious disease.
It affects fair-skinned people the most — but anyone can get it.
While melanoma can affect people of any skin color, if you have pale skin, you have a greater risk, explains Aleksander Sekulic, MD, Melanoma Dream Team Principal for Stand Up To Cancer and a dermatologist at the Mayo Clinic. That’s because pale skin contains less melanin, which is the technical term for the natural pigment that gives your skin, hair, and eyes their colors. This pigment is actually kind of like built-in sunscreen.
On top of that, a history of sunburns is a major risk factor for melanoma, and those tend to be more common for people with lighter skin, Dr. Sekulic says.
That said, this doesn’t mean people with darker skin don’t have to worry about melanoma. Sadly, the misconception that people of color can’t get skin cancer often leads to belated diagnosis — when the disease is less treatable. The bottom line: Everyone needs to be vigilant.
Remember: ABCDE
You probably know that you should keep an eye on changes in your moles, but what kinds of changes are worrisome?
Just remember the “ABCDE” acronym, Dr. Sekulic says.
Asymmetry: Instead of being closer to an even circle, one side of the spots does not match the other if you draw a line straight down the middle.
Border: An irregular border instead of smooth, even borders.
Color: Healthy moles tend to be all one color, usually an even shade of brown. But melanomas can feature more than one color (brown in spots, but also red or black).
Diameter: Melanoma lesions are usually larger than 6mm (roughly the size of a pencil eraser).
Evolution: Because melanoma can start in a healthy mole, it’s important to look for funky changes. If a mole seems like it’s growing, or if it suddenly changes in color, it’s best to consult a doctor ASAP. This doesn’t mean, however, that melanoma always starts with a mole that you already have. It can also appear out of nowhere as a new spot.
You can get melanoma anywhere.
You might think that areas that aren’t usually exposed to sunlight would be safe from skin cancer. But the truth is that melanoma can appear anywhere on the body, from the soles of your feet to your scalp.
In fact, while the vast majority of melanomas occur on skin that’s often exposed to the sun or that has already been sunburned (like on your face or your back), there is a type of melanoma that isn’t related to sun exposure at all. Called mucosal melanoma, it most commonly shows up on the bottoms of your feet, the palms of your hands, or under your nails.
You should do a skin check regularly.
Because of all the ways melanoma can present, Dr. Sekulic also recommends doing thorough self-examination at least every three to four months throughout the year. After all, no one knows your body better than you, and you’ll know best if something looks out of the ordinary.
Giving your whole body a once-over after a shower is a great start, but you’ll want to be more thorough to catch any abnormal spots. Follow the Skin Cancer Foundation’s recommended step-by-step guide to checking your entire body from head to toe. And don’t forget to get a hand mirror and double-check those blind spots: your back, your underarms, the undersides of your breasts, and in your hair.
And if you’re worried about it, you might also consider checking in with your doctor. The American Academy of Dermatology recommends talking with a dermatologist, who can help you assess your individual risks by looking at your family history and your skin type — and suggest a screening schedule that makes sense for you.
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