raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2351

Kousseff syndrome

Synonyms: Sacral meningocele-conotruncal heart defects syndrome

Type
Malformation syndrome
Group
Disorder
Age of onset
Antenatal, Infancy, Neonatal
Status
active

A rare syndromic central nervous system malformation characterized by the association of conotruncal heart defects, myelomeningocele and craniofacial dysmorphism similar to that seen in monosomy 22q11.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enKousseff syndromeSacral meningocele-conotruncal heart defects syndrome
frSyndrome de KousseffSyndrome de meningocèle sacré-anomalie conotroncale
deKousseff-Syndrom
esSíndrome de Kousseff
itSindrome di KousseffMeningocele del sacro - cardiopatia troncoconale
nlSyndroom van KousseffSacrale meningocele - conotruncale hartdefecten-syndroom
ptSíndrome KousseffSíndrome de meningocelo sagrado-cardiopatia conotruncal
plZespół KousseffaKrzyżowa przepuklina oponowa - wady stożka i pnia naczyniowego serca
csKousseffův syndromSyndrom zahrnující sakrální meningokélu a konotrunkální srdeční vady
ukСиндром КуссефаСиндром крижового менінгоцеле-конотрункулярної вади серця
zhKousseff综合征脊膜膨出-圆锥动脉干畸形综合征
trKousseff sendromuSakral meningosel-konotrunkal kalp defektleri sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.8NTBTattributedvalidated
MONDO0016522Evalidated
MeSHC537223Evalidated
UMLSC2931444Evalidated
GARD4752Evalidated

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/families8 casesWorldwideCase(s)Validated22380655[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_22380655[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