Spinocerebellar ataxia type 1
ORPHA:98755· ICD-10 G11.8
Definition
Spinocerebellar ataxia type 1 (SCA1) is a subtype of type I autosomal dominant cerebellar ataxia (ADCA type I) characterized by dysarthria, writing difficulties, limb ataxia, and commonly nystagmus and saccadic abnormalities.
- Prevalence
- 1-9 / 100 000
- Inheritance
- Autosomal dominant
- Age of onset
- All ages