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Spinocerebellar ataxia type 20

What is Spinocerebellar ataxia type 20?

Spinocerebellar ataxia type 20 (SCA20) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I; see this term). It is characterized by cerebellar dysarthria as the initial typical manifestation.

Other condition names

  • SCA20

Inheritance type

Autosomal dominant

Prevalence

  • Worldwide: <1 in 1,000 000

Age of Onset

  • Adult
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on "https://www.orphadata.com". Data version 1.3.16 / 4.1.7.