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Medical Term:

congenital nevus


a melanocytic nevus that is visible at birth, is often larger than an acquired nevus, and more frequently involves deeper structures. Congenital nevus larger than 20.0 cm in diameter, termed giant congenital nevi, have a 6–12% lifetime risk of developing melanoma.

See Also: bathing trunks nevus

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.