Source: DOID:0090111
Definition: A syndrome that is characterized by the association of the features of Waardenburg-Shah syndrome (sensorineural hearing loss, pigmentary abnormalities and Hirschsprung disease; see this term) with neurological features, including: neonatal hypotonia, intellectual deficit (of variable severity), nystagmus, progressive spasticity, ataxia and epilepsy, and has_material_basis_in heterozygous mutation in the SRY-box 10 (SOX10) gene on chromosome 22q13.