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Up to: Hereditary skin disorder · Melanocytic nevus
Large congenital melanocytic nevus
A large, or giant, congenital melanocytic nevus (LCMN or GCMN) is a pigmented skin lesion of more than 20 cm - or 40 cm- respectively, projected adult diameter, composed of melanocytes, and presenting with an elevated risk of malignant transformation.
This condition has no sub-types.