raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1172

Autosomal recessive cerebellar ataxia

Synonyms: ARCA

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

A group of rare early-onset ataxias with dementia characterized by degeneration or abnormal development of the cerebellum and spinal cord. It is a heterogeneous group including disorders that involves both the central and peripheral nervous system (and in some cases other systems and organs), therefore besides ataxia, patients often present with polyneuropathy and clinical symptoms outside the nervous system. It comprises more than half of the known genetic forms of ataxia including congenital ataxias, ataxias associated with metabolic disorders, ataxias with a DNA repair defect, degenerative ataxias and ataxias associated with other features.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal recessive cerebellar ataxiaARCA
frAtaxie cérébelleuse autosomique récessive= en
deZerebelläre Ataxie, autosomal-rezessive= en
esAtaxia cerebelosa autosómica recesiva
itAtassia cerebellare, autosomica recessiva= en
nlAutosomaal recessieve cerebellaire ataxie= en
ptAtaxia cerebelosa autossómica recessivaACAR
plAutosomalna recesywna ataksja móżdżkowa= en
csAutozomálně recesivní cerebelární ataxie= en
ukАутосомно-рецесивна мозочкова атаксія= en
zh常染色体隐性小脑共济失调= en
trOtozomal resesif serebellar ataksi= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
MONDO0015244Evalidated
MONDO15244Evalidated
UMLSC5575375Evalidated

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

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

Children (13):

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

5 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0003.3 / 100 000PortugalValue and classValidated23609960[PMID]
Point prevalence1-9 / 100 0003.3 / 100 000WorldwideValue and classValidated24603320[PMID]
Point prevalence1-9 / 100 0005.3 / 100 000FranceValue and classValidated19440741[PMID]
Point prevalence1-9 / 100 0002.3 / 100 000NorwayValue and classValidated19339254[PMID]
Point prevalence1-9 / 100 0003.6 / 100 000EuropeValue and classValidated19440741[PMID]_19339254[PMID]_23609960[PMID]

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

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HPO phenotypes

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

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Sources for this card