Giant congenital nevus: MedlinePlus Medical Encyclopedia - hairy birthmarks

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Congenital Nevus: Types, Removal, and Cancer Risk hairy birthmarks


A congenital pigmented or melanocytic nevus is a dark-colored, often hairy, patch of skin. A giant congenital nevus is smaller in infants and children, but it usually continues to grow as the child grows. A giant pigmented nevus is larger than 15 inches (40 centimeters) once it.

A congenital nevus may become smaller or larger over time. In other cases, it might become darker, raised, and more bumpy and hairy, especially during.

A collection of disease information resources and questions answered by our Genetic and Rare Diseases Information Specialists for Giant congenital nevus.