Skin Cancer Screening

Reference Skin cancer Opens New Window can be cured if found and treated early.

• Your doctor may check your skin once a year during your annual exam. Or your doctor may suggest a skin exam more often, especially if you have:
  • Reference Familial atypical mole and melanoma (FAM-M) syndrome Opens New Window. This is an inherited tendency to develop Reference melanoma Opens New Window. Examine your skin every month and be examined by a doctor every 4 to 6 months, preferably by the same doctor each time.
  • Increased occupational or recreational exposure to ultraviolet (Reference UV Opens New Window) radiation.
  • Abnormal moles called Reference atypical moles (dysplastic nevi). These moles are not cancerous, but their presence is a warning of an inherited tendency to develop melanoma.
• After reviewing evidence from studies, the Reference U.S. Preventive Services Task Force (USPSTF) Opens New Window has not recommended for or against routine skin cancer screening for adults at normal risk.^{Reference 1}

Get to know your skin

Reference Skin self-exam Opens New Window Reference Opens New Window is a good way to detect early skin changes that may mean melanoma. Look for any abnormal skin growth or any change in the color, shape, size, or appearance of a skin growth. Check for any area of injured skin (lesion) that does not heal. Have your spouse or someone such as a close friend help you monitor your skin, especially places that are hard to see such as your scalp and back.

A careful skin exam may identify suspicious growths that may be cancer or growths that may develop into skin cancer (precancers). Adults should examine their skin once every month.

Skin cancer often appears on the Reference trunk Opens New Window of men and on the legs of women.

• Get to know your moles and birthmarks, and look for any abnormal skin growth and any change in the color, shape, size, or appearance of a skin growth.
• Check for any area of skin that does not heal after an injury.
• Have your doctor check your skin during any other health exams. Most experts recommend having your skin examined at least once a year.
• Tell your doctor about any suspicious skin growths or changes in a mole.
• Be aware of the risk of skin cancer and the steps you can take to prevent it, including using sunscreen, wearing protective clothing, and staying out of the midday sun.

For more information, see the topic Protecting Your Skin From the Sun.

Know the ABCDEs of early detection

Learn your ABCDEs, the changes in a mole or skin growth that are warning signs of melanoma:

• Reference Asymmetry Opens New Window Reference Opens New Window: One half doesn't match the other half.
• Reference Border irregularity Opens New Window Reference Opens New Window: The edges are ragged, notched, or blurred.
• Reference Color Opens New Window Reference Opens New Window: The pigmentation is not uniform. Shades of tan, brown, and black are present. Dashes of red, white, and blue add to the mottled appearance. Color may spread from the edge of a mole into the surrounding skin.
• Reference Diameter Opens New Window Reference Opens New Window: The size of the mole is greater than 6 mm (0.25 in.), or about the size of a pencil eraser.
• Reference Evolution Opens New Window Reference Opens New Window: There is a change in the size, shape, symptoms (such as itching or tenderness), surface (especially bleeding), or color.

A melanoma may also look like a bruise that isn't healing, or it may show up as a brown or black streak under a fingernail or toenail.

For more information, see the topic Skin Cancer, Melanoma.

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This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.