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When can a congenital mole become serious?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Most congenital moles are harmless -- but there are important exceptions. A typical congenital mole appears as a small spot on the skin, similar to a common mole. In some cases, though, congenital moles can be quite large. A so-called giant congenital nevus can measure 8 inches or more in diameter. (Nevus means mole.) Being born with a giant congenital nevus increases a person's risk for melanoma, a serious form of skin cancer. All congenital moles should be examined and evaluated by a dermatologist, who can recommend the best course of treatment.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.