raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:94145

Autosomal dominant cerebellar ataxia type I

Synonyms: ADCA1 · ADCAI · Autosomal dominant cerebellar ataxia type 1 · Cerebellar plus syndrome

Type
Clinical group
Group
Group of disorders
Inheritance
Autosomal dominant
Age of onset
All ages
Status
active

A group of spinocerebellar ataxias (SCAs) characterized by ataxia with other neurological signs, including oculomotor disturbances, cognitive deficits, pyramidal and extrapyramidal dysfunction, bulbar, spinal and peripheral nervous system involvement.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal dominant cerebellar ataxia type IADCA1 · ADCAI · Autosomal dominant cerebellar ataxia type 1 · Cerebellar plus syndrome
frAtaxie cérébelleuse autosomique dominante type IADCAI · Ataxie cérébelleuse autosomique dominante type 1 · ADCA1
deAtaxie, zerebelläre, autosomal-dominante, Typ IADCA1 · ADCAI · Ataxie, zerebelläre, autosomal-dominante, Typ 1 · Cerebellar plus-Syndrom
esAtaxia cerebelosa autosómica dominante tipo IADCA1 · ADCAI · Ataxia cerebelosa autosómica dominante tipo 1 · Síndrome cerebeloso plus
itAtassia cerebellare autosomica dominante, tipo 1ADCA1 · ADCAI · Atassia cerebellare autosomica dominante, tipo I · Sindrome cerebellare plus
nlAutosomaal dominante cerebellaire ataxie type IADCA1 · ADCAI · Autosomaal dominante cerebellaire ataxie type 1 · Cerebellair plus syndroom
ptAtaxia cerebelosa autossómica dominante tipo IADCA1
plAutosomalna dominująca ataksja móżdżkowa typu IADCA1 · ADCAI · Zespół móżdżkowy plus · Autosomalna dominująca ataksja móżdżkowa typu 1
csAutozomálně dominantní cerebelární ataxie, typ 1ADCA1 · ADCAI · Autozomálně dominantní cerebelární ataxie, typ I
ukАутосомно-домінантна мозочкова атаксія, тип IADCA1 · ADCAI · Аутосомно-домінантна мозочкова атаксія типу 1 · Синдром мозочок плюс
zh常染色体显性遗传性小脑共济失调I型常染色体显性遗传性遗传性小脑共济失调1型
trOtozomal dominant serebellar ataksi tip IADCA1 · ADCAI · Serebellar artı sendromu · Otozomal dominant serebellar ataksi tip 1

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
MONDO0019792Evalidated
UMLSC5680259Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

Children (34):

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card