raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:697356

Congenital scalp aplasia cutis-enamel hypoplasia-developmental delay-intellectual disability syndrome

Synonyms: FOSL2-related neurodevelopmental disorder

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

A rare multiple congenital anomalies/dysmorphic syndrome characterized by congenital aplasia cutis of variable size along the midline of the scalp, tooth enamel hypoplasia and discoloration, and delayed psychomotor development or intellectual disability. Additional clinical features may include intrauterine or postnatal growth retardation, autism spectrum disorder, congenital cataracts, skull defects and seizures.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enCongenital scalp aplasia cutis-enamel hypoplasia-developmental delay-intellectual disability syndromeFOSL2-related neurodevelopmental disorder
frSyndrome d'aplasie cutanée congénitale du cuir chevelu-hypoplasie de l'émail-retard de développement-déficience intellectuelleTrouble du neurodéveloppement associé à FOSL2
deKongenitale Aplasie der Kopfhaut-Zahnschmelzhypoplasie-Entwicklungsverzögerung-Intelligenzminderung-SyndromACED · Aplasia cutis congenita-Zahnschmelzhypoplasie-Syndrom · Neurologische Entwicklungsstörung, FOSL2-assoziierte
esSíndrome de aplasia cutis congénita del cuero cabelludo-hipoplasia del esmalte-retraso del desarrollo-discapacidad intelectualTrastorno del neurodesarrollo asociado a FOSL2
itSindrome aplasia congenita della cute del cuoio capelluto-ipoplasia dello smalto-ritardo dello sviluppo-disabilità intellettivaMalattia del neurosviluppo correlata a FOSL2
nlCongenitale aplasia cutis van scalp - hypoplasie van tandglazuur - ontwikkelingsachterstand - intellectuele achterstand-syndroomFOSL2-gerelateerde neurologische ontwikkelingsstroonis
ptCongenital scalp aplasia cutis-enamel hypoplasia-developmental delay-intellectual disability syndrome
plCongenital scalp aplasia cutis-enamel hypoplasia-developmental delay-intellectual disability syndrome= en
csCongenital scalp aplasia cutis-enamel hypoplasia-developmental delay-intellectual disability syndrome= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM620789Evalidated
ICD-10Q87.8NTBTattributednot yet validated
ICD-11LD2F.1YNTBTattributednot yet validated

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 (5):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
FOSL2Disease-causing germline mutation(s) inAssessedHGNC:3798ENSG000000754266015752p23.2FOS like 2, AP-1 transcription factor subunit36197437[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families11 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.

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Sources for this card