Birthmarks - pigmented

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Mongolian blue spots

Skin layers

Nevus sebaceous; Hairy nevus; Nevi; Mole; Cafe-au-lait spots; Congenital nevus

Treatment varies depending on the type of birthmark and related conditions. Usually no treatment is needed for the birthmark itself.

Large birthmarks that affect your appearance and self-esteem may be covered with special cosmetics.

Moles may be removed surgically if they affect your appearance or have an increased cancer risk. Discuss your options with your doctor to decide how and when to remove any moles.

Nevus Outreach -- www.nevus.org

Large moles that are present at birth (congenital nevi) are more likely to become skin cancer (malignant melanoma). This is especially true if the mole covers an area larger than the size of a fist. The cancer risk is related to the size, location, shape, and color of the mole.

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Mongolian spots may persist for months or years. They do NOT become cancer or develop other symptoms.

• Skin cancer
• Psychological effects, if the birthmark is prominent

Have any birthmarks examined by a health care provider. Report any changes in the birthmark to your health care provider, including:

• Bleeding
• Color change
• Inflammation
• Itching
• Open sore (ulceration)
• Pain
• Size change
• Texture change

Review Date: 10/08/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).