raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1126

Aprosencephaly cerebellar dysgenesis

Type
Malformation syndrome
Group
Disorder
Age of onset
Antenatal
Status
active

A rare genetic non-syndromic central nervous system malformation characterized by absence of the telencephalon and absent or abnormal diencephalic structures, combined with severe abnormalities of the mesencephalon and cerebellum. Further malformations, for example of the hands and feet, have been described in addition.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAprosencephaly cerebellar dysgenesis
frSyndrome d'aprosencéphalie-dysgénésie cérébelleuse
deAprosenzephalie mit zerebellärer Dysgenesie
esAprosencefalia - disgenesia cerebelosa
itAprosencefalia - disgenesia cerebellare
nlAprosencefalie cerebellaire dysgenesie
ptAprosencefalia-disgenesia cerebelosa
plAprosencefalia dysgenezja móżdżku
csAprosencefalie - cerebelární dysgeneze
ukАпрозенцефалія з дизгенезією мозочка
zh脑前部缺无合并小脑发育不全
trAprosensefali serebellar disgenezi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM601374Evalidated
ICD-10Q04.3NTBTattributedvalidated
ICD-11LA05.YNTBTattributedvalidated
MONDO0011062Evalidated
MeSHC563331Evalidated
UMLSC1832412Evalidated

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

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated8826432[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_8826432[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.

6

HPO phenotypes

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

7

Sources for this card