Monarch Disease Ontology term MONDO_0012698 (Waardenburg syndrome type 2E) is any Waardenburg syndrome type 2 in which the cause of the disease is a mutation in the SOX10 gene. Also known as: SOX10 Waardenburg syndrome type 2, WS2E, WS2E with or without neurological involvement, Waardenburg syndrome type 2 caused by mutation in SOX10, Waardenburg syndrome type 2E with or without neurologic involvement, Waardenburg syndrome type IIE, hypogonadotropic hypogonadism with anosmia and deafness with or without hypopigmentation.