Spinocerebellar ataxia type 20
ORPHA:101110· ICD-10 G11.2
Definition
Spinocerebellar ataxia type 20 (SCA20) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I). It is characterized by cerebellar dysarthria as the initial typical manifestation.
- Prevalence
- <1 / 1 000 000
- Inheritance
- Autosomal dominant
- Age of onset
- Adult