large congenital melanocytic nevus (DOID:0111359)
Alliance: disease page
Synonyms: Congenital pigmented nevus; Giant congenital melanocytic nevus; Giant pigmented hairy nevus; GMN; LCMN
Alt IDs: OMIM:137550, MESH:C536819, NCI:C3944, NCI:C4234, ORDO:626, UMLS_CUI:C1318558, UMLS_CUI:C1842036
Definition: A skin disease characterized by the presence at birth of a pigmented skin lesion composed of melanocytes of more than 20 cm in projected adult diameter that has_material_basis_in somatic mutation in the NRAS gene on chromosome 11p15.5.