raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:659396

Cohen-Gibson syndrome

Synonyms: EED-related overgrowth syndrome

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

A rare PRC-2 complex-related overgrowth spectrum disorder characterized by tall stature, intellectual disability (more severe than other diseases-Weaver syndrome and Imagawa-Matsumoto syndome in the spectrum), persistent dysmorphic features (including hypertelorism, large fleshy ears, retrognathia, crease between the mouth and the chin) that remains distinguishable in adulthood, severe musculoskeletal abnormalities (including kyphosis and/or scoliosis, abnormalities of the cervical spine, restricted joint movement and unusually large hands). Cardiac problems, cryptorchidism and umbilical hernias are more frequent whereas presence of tumors is less frequent compared to other diseases in the spectrum.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enCohen-Gibson syndromeEED-related overgrowth syndrome
frSyndrome de Cohen-GibsonSyndrome d'hypercroissance associé à EED
deCohen-Gibson-SyndromEED-assoziiertes Großwuchssyndrom
esSíndrome de Cohen-GibsonSíndrome de sobrecrecimiento asociado a EED
itSindrome di Cohen-GibsonSindrome da iperaccrescimento correlata a EED
nlSyndroom van Cohen-GibsonEED-gerelateerd overgroeisyndroom
ptSíndrome Cohen-GibsonSíndrome de sobrecrescimento EED-relacionada
plZespół Cohena-Gibsona= en
csCohenové-Gibsonův syndromCohen-Gibsonův syndrom
ukСиндром Коена-ГібсонаСиндром надмірного росту, повязаний з EED

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM617561Evalidated
ICD-10Q87.3NTBTattributedvalidated
MONDO0060510Evalidated
MONDO60510Evalidated
UMLSC4479654Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
EEDDisease-causing germline mutation(s) inAssessedHGNC:3188ENSG0000007426660598411q14.2embryonic ectoderm development30793471[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families12 casesWorldwideCase(s)Validated34533271[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated34533271[PMID]_ORPHANET

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