Educational Resources -

Educational Resources

A to Z Dermatology

A to Z Dermatology Links, is an educational resource that provides information on a wide variety of dermatology conditions and diseases. To learn more about a specific condition, make a selection from the list below.

Dermatology Library

Topics A-E
Topics F-J
Topics K-O
Topics P-T
Topics U-Z

The ABCDE's of Moles

According to the American Academy of Dermatology, 1 in 5 Americans will develop skin cancer in their lifetime. Mole screenings are critical for early detection of skin cancer and other conditions. The physician / practitioner fully inspects the skin for suspicious growths. If you find a mole exhibiting any of the following characteristics below, you should schedule an appointment to get a screening.


Asymmetry can be assessed by comparing one half of the growth to the other half to determine if the halves are equal in size. Unequal or asymmetric moles are suspicious.

normal asymetry abnormal asymetry



If the mole's border is irregular, notched, scalloped, or indistinct, it is more likely to be cancerous (or precancerous) and is thus suspicious.

normal asymetry abnormal asymetry



Variation of color (e.g., more than one color or shade) within a mole is a suspicious finding. Different shades of browns, blues, reds, whites, and blacks are all concerning.

normal asymetry abnormal asymetry


Any mole that has a diameter larger than a pencil's eraser in size (> 6 mm) should be considered

normal asymetry abnormal asymetry



Significant change in size, shade, or shade of color. (No picture provided below.)

Pictures courtsey of the Skin Cancer Foundation.


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