raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:716109

Global developmental delay-facial dysmorphism-brachydactyly syndrome

Synonyms: DDB1-related neurodevelopmental disorder · White-Kernohan syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Childhood, Infancy, Neonatal
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enGlobal developmental delay-facial dysmorphism-brachydactyly syndromeDDB1-related neurodevelopmental disorder · White-Kernohan syndrome
frSyndrome de retard global de développement-dysmorphie faciale-brachydactylieSyndrome de White-Kernohan · Trouble du neurodéveloppement associé à DDB1
deGlobale Entwicklungsverzögerung-Gesichtsdysmorphie-Brachydaktylie-SyndromNeurologische Entwicklungsstörung, DDB1-assoziierte · White-Kernohan-Syndrom
esSíndrome de retraso global del desarrollo-dismorfia facial-braquidactiliaSíndrome de White-Kernohan · Trastorno del neurodesarrollo asociado a DDB1
itSindrome ritardo dello sviluppo globale-dismorfismi facciali-brachidattiliaMalattia del neurosviluppo correlata a DDB1 · Sindrome di White-Kernohan
nlAlgehele ontwikkelingsachterstand - faciale dysmorfie - brachydactylie-syndroomDDB1-gerelateerde neurologische ontwikkelingsstoornis · Syndroom van White-Kernohan
ptGlobal developmental delay-facial dysmorphism-brachydactyly syndrome
plZespół globalnego opóźnienia rozwoju, dysmorfii twarzy i brachydaktylii= en
csGlobal developmental delay-facial dysmorphism-brachydactyly syndrome= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM619426Evalidated
ICD-10Q87.8NTBTattributedvalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
DDB1Disease-causing germline mutation(s) inAssessedHGNC:2717ENSG0000016798660004511q12.2damage specific DNA binding protein 133743206[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families8 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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