Skin cancer is the most common form of human cancers, affecting more than one million Americans every year. One in five Americans will develop skin cancer at some point in their lives. Skin cancers are generally curable if caught early. However, people who have had skin cancer are at a higher risk of developing a new skin cancer, which is why regular self-examination and doctor visits are imperative.
The vast majority of skin cancers are composed of three different types: basal cell carcinoma, squamous cell carcinoma and melanoma.
3 Types of Skin Cancer
What to Look for
The key to detecting skin cancers is to notice changes in your skin. Look for:
- Large brown spots with darker speckles located anywhere on the body.
- Dark lesions on the palms of the hands and soles of the feet, fingertips toes, mouth, nose or genitalia.
- Translucent pearly and dome-shaped growths.
- Existing moles that begin to grow, itch or bleed.
- Brown or black streaks under the nails.
- A sore that repeatedly heals and re-opens.
- Clusters of slow-growing scaly lesions that are pink or red.
The American Academy of Dermatology has developed the following ABCDE guide for assessing whether or not a mole or other lesion may be becoming cancerous.
Roughly 90% of nonmelanoma cancers are attributable to ultraviolet radiation from the sun. That’s why prevention involves:
- Staying out of the sun during peak hours (between 10 a.m. and 4 p.m.).
- Covering up the arms and legs with protective clothing.
- Wearing a wide-brimmed hat and sunglasses.
- Using sunscreens year round with a SPF of 15 or greater and sunblocks that work on both UVA and UVB rays. Look for products that use the term “broad spectrum.”
- Checking your skin monthly and contacting your dermatologist if you notice any changes.
- Getting regular skin examinations. It is advised that adults over 40 get an annual exam with a dermatologist.
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