What is congenital nevus?

A congenital nevus is basically a mole or birthmark. They can occur anywhere on the body. The majority of these marks are benign, and do not require treatment other than for cosmesis (beauty-related reasons). But skin cancer — malignant melanoma — can develop in about 5 percent to 10 percent of cases. A change in texture, color or outline of the nevus, and/or the development of new nodules (tissue masses and knots) should be examined by a physician.

A congenital nevus is a dark mole or skin spot that is present at birth. Congenital nevi are generally benign and can be observed. If you believe your child's nevus is growing or changing you should consult your doctor.

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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.