raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1174

Cerebellar ataxia-ectodermal dysplasia syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Neonatal
Status
active

A rare syndromic cerebellar ataxia characterized by hypodontia and sparse hair in combination with cerebellar ataxia and normal intelligence. Imaging demonstrates a cerebellar atrophy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCerebellar ataxia-ectodermal dysplasia syndrome
frSyndrome d'ataxie cérébelleuse-dysplasie ectodermique
deZerebelläre Ataxie-Ektodermale Dysplasie-Syndrom
esSíndrome de ataxia cerebelosa-displasia ectodérmica
itAtassia cerebellare - displasia ectodermica
nlCerebellaire ataxie - ectodermale dysplasie-syndroom
ptSíndrome de ataxia cerebelosa-displasia ectodérmica
plAtaksja móżdżkowa - dysplazja ektodermalna
csSyndrom zahrnující cerebelární ataxii a ektodermální dysplázii
ukСиндром мозочкової атаксії-ектодермальної дисплазії
zh小脑共济失调-外胚层发育不良综合征
trSerebellar ataksi-ektodermal displazi sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM212835Evalidated
ICD-10G11.1NTBTattributedvalidated
ICD-11LD27.0YNTBTindexvalidated
MONDO0008934Evalidated
MeSHC535350Evalidated
UMLSC1859306Evalidated
GARD1189Evalidated

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):

No children.

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

12 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001251Ataxia
HP:0002213Fine hair
HP:0001288Gait disturbance
HP:0000668Hypodontia
HP:0000691Microdontia
HP:0008070Sparse hair
HP:0000325Triangular face
Frequent (79-30%)
HP:0002167Abnormality of speech or vocalization
HP:0000337Broad forehead
HP:0000028Cryptorchidism
HP:0000023Inguinal hernia
HP:0001761Pes cavus

Run the differential on the 7 obligate / very frequent terms

7

Sources for this card