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Spinocerebellar ataxia type 19/22

Disease definition

Spinocerebellar ataxia type 19 (SCA19) is a very rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I; see this term). It is characterized by mild cerebellar ataxia, cognitive impairment, low scores on the Wisconsin Card Sorting Test measuring executive function, myoclonus, and postural tremor.

ORPHA:98772

  • Synonym(s):
    • SCA19/22
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant 
  • Age of onset: Adult
  • ICD-10: G11.2
  • OMIM: 607346
  • UMLS: C1846367
  • MeSH: C537198
  • GARD: 12365
  • MedDRA: -

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