Autosomal dominant hereditary disorder
Spinocerebellar ataxia
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Spinocerebellar ataxia type 20 (disorder)
Spinocerebellar ataxia type 20
A very rare subtype of type I autosomal dominant cerebellar ataxia with cerebellar dysarthria as the initial typical manifestation. Prevalence is unknown. Fewer than 20 cases in a 4-generation Australian family of Anglo-Celtic descent have been reported to date. Age of symptomatic disease onset ranges from 19 to 64 years. Linked to chromosome 11q12.2-11q12.3.
spinocerebellaire ataxie type 20
SCA20
Id718771009
StatusPrimitive
Associated morphologyDegenerative abnormality
Finding siteCerebellar structure
Associated morphologyDegenerative abnormality
Finding siteSpinal cord structure
DHD Diagnosis thesaurus reference set
ICD-10 complex map reference set
TargetG11.2
RuleTRUE
AdviceALWAYS G11.2
CorrelationSNOMED CT source code to target map code correlation not specified