314404 Autosomal dominant cerebellar ataxia-deafness-narcolepsy syndrome

definition Autosomal dominant cerebellar ataxia, deafness and narcolepsy (ADCA-DN) is a polymorphic disorder and a subtype of autosomal dominant cerebellar ataxia type 1 (ADCA type 1; see this term) characterized by ataxia, sensorineural deafness and narcolepsy with cataplexy and dementia.