raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1896

EEC syndrome

Synonyms: Ectrodactyly-ectodermal dysplasia-cleft lip/palate syndrome

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

EEC syndrome is a genetic developmental disorder characterized by ectrodactyly, ectodermal dysplasia, and orofacial clefts (cleft lip/palate).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enEEC syndromeEctrodactyly-ectodermal dysplasia-cleft lip/palate syndrome
frSyndrome EECSyndrome d'ectrodactylie-dysplasie ectodermique-fente labiopalatine
deEEC-SyndromEktrodaktylie - ektodermale Dysplasie - Lippen-Kiefer-Gaumen-Spalte
esSíndrome EECEctrodactilia-displasia ectodérmica-fisura labiopalatina
itSindrome EECEctrodattilia - displasia ectodermica - labiopalatoschisi
nlEEC-syndroomEctrodactylie - ectodermale dysplasie - gespleten lip/gehemelte-syndroom
ptSíndrome EECSíndrome de ectrodactilia-displasia ectodérmica-fenda lábio-palatina
plZespół EECEktrodaktylia - dysplazja ektodermalna - rozszczep wargi/podniebienia
csEEC syndromSyndrom zahrnující ektrodaktylii, ektodermální dysplázii a rozštěp rtu/patra
ukСиндром EECСиндром ектродактилії - ектодермальної дисплазії - розщілини губи/піднебіння
zh外胚层发育不良型缺指畸形伴唇裂/腭裂综合征缺指(趾)畸形-外胚层发育不良-唇裂/腭裂综合征
trEEC sendromuEktrodaktili-ektodermal displazi-yarık dudak / damak sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM129900BTNTvalidated
OMIM604292Evalidated
ICD-10Q82.4NTBTattributedvalidated
ICD-11LD27.0YNTBTindexvalidated
MONDO0010004Evalidated
MeSHC536189Evalidated
UMLSC0406704Evalidated
GARD2076Evalidated

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 (7):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TP63Disease-causing germline mutation(s) inAssessedHGNC:15979ENSG000000732826032733q28tumor protein p6321959367[PMID]_24734328[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0001.11 / 100 000EuropeValue and classValidatedISBN:978-0-387-21753-6[OTHER]
Point prevalence1-9 / 100 000—EuropeClass onlyValidatedORPHANET_ISBN:978-0-387-21753-6[OTHER]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

61 annotations · validated 2024-10-17
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000682Abnormality of dental enamel
HP:0001092Absent lacrimal punctum
HP:0000670Carious teeth
HP:0002208Coarse hair
HP:0000958Dry skin
HP:0100257Ectrodactyly
HP:0000962Hyperkeratosis
HP:0000632Lacrimation abnormality
HP:0000691Microdontia
HP:0008404Nail dystrophy
HP:0001803Nail pits
HP:0045075Sparse eyebrow
HP:0001839Split foot
HP:0001171Split hand
HP:0000679Taurodontia
HP:0000574Thick eyebrow
HP:0009804Tooth agenesis
Frequent (79-30%)
HP:0008065Aplasia/Hypoplasia of the skin
HP:0000498Blepharitis
HP:0410030Cleft lip
HP:0200020Corneal erosion
HP:0000620Dacryocystitis
HP:0004275Duplication of hand bones
HP:0000968Ectodermal dysplasia
HP:0007513Generalized hypopigmentation
HP:0000126Hydronephrosis
HP:0100533Inflammatory abnormality of the eye
HP:0000491Keratitis
HP:0001096Keratoconjunctivitis
HP:0012165Oligodactyly
HP:0000202Orofacial cleft
HP:0000613Photophobia
HP:0008678Renal hypoplasia/aplasia
HP:0002217Slow-growing hair
HP:0000068Urethral atresia
Occasional (29-5%)
HP:0000377Abnormal pinna morphology
HP:0000359Abnormality of the inner ear
HP:0000370Abnormality of the middle ear
HP:0000830Anterior hypopituitarism
HP:0010311Aplasia/Hypoplasia of the breasts
HP:0006709Aplasia/Hypoplasia of the nipples
HP:0009601Aplasia/Hypoplasia of the thumb
HP:0000453Choanal atresia
HP:0000175Cleft palate
HP:0000824Decreased response to growth hormone stimulation test
HP:0000621Entropion
HP:0002213Fine hair
HP:0006101Finger syndactyly
HP:0000966Hypohidrosis
HP:0000778Hypoplasia of the thymus
HP:0000047Hypospadias
HP:0001249Intellectual disability
HP:0002665Lymphoma
HP:0003764Nevus
HP:0009623Proximal placement of thumb
HP:0000407Sensorineural hearing impairment
HP:0004322Short stature
HP:0008070Sparse hair
HP:0001770Toe syndactyly
HP:0000076Vesicoureteral reflux
HP:0000217Xerostomia

Run the differential on the 12 obligate / very frequent terms

Annotation source: 20556892[PMID]

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Sources for this card