What to look for: ABCDEs of melanoma
Download the AAD's body mole map to note the results of your self-examination. Consult your dermatologist immediately if any of your moles or pigmented spots exhibit:
![]() | A is for Asymmetry One half of the spot is unlike the other half. | |
![]() | B is for Border The spot has an irregular, scalloped, or poorly defined border. | |
![]() | C is for Color The spot has varying colors from one area to the next, such as shades of tan, brown or black, or areas of white, red, or blue. | |
![]() | D is for Diameter While melanomas are usually greater than 6 millimeters, or about the size of a pencil eraser, when diagnosed, they can be smaller. | |
![]() The spot looks different from the rest or is changing in size, shape, or color. | ||
Learn how the ABCDEs of melanoma were created
The history behind the of ABCDEs of melanoma
Darrell Rigel, MD, explains why dermatologists created the ABCDEs of melanoma.
How to check your skin for skin cancer
Follow these tips from board-certified dermatologists to increase your chances of spotting skin cancer early, when it’s most treatable.
If you notice any new spots on your skin, spots that are different from others, or spots that are changing, itching or bleeding, make an appointment to see a board-certified dermatologist.
How to check your skin for skin cancer
Follow these tips from board-certified dermatologists to increase your chances of spotting skin cancer early, when it’s most treatable.
If you notice any new spots on your skin, spots that are different from others, or spots that are changing, itching or bleeding, make an appointment to see a board-certified dermatologist.
Think sun protection during Skin Cancer Awareness Month
How to care for your skin if you have lupus
Practice Safe Sun
Sunscreen FAQs
Fade dark spots
Hidradenitis suppurativa
Laser hair removal
Scar treatment
Botox
Kids' camp - Camp Discovery
Dermatologist-approved lesson plans, activities you can use
Find a Dermatologist
Why choose a board-certified dermatologist?




