raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:664410

Brain abnormalities-severe developmental delay-facial dysmorphism-intellectual disability syndrome

Synonyms: MEF2C-related syndrome · Neurodevelopmental disorder-hypotonia-stereotypic hand movements-impaired language

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant, Not applicable
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enBrain abnormalities-severe developmental delay-facial dysmorphism-intellectual disability syndromeMEF2C-related syndrome · Neurodevelopmental disorder-hypotonia-stereotypic hand movements-impaired language
frSyndrome d'anomalies cérébrales-retard sévère du développement-dysmorphie faciale-déficience intellectuelleSyndrome lié à MEF2C
deHirnanomalien-schwere Entwicklungsverzögerung-Gesichtsdysmorphien-Intelligenzminderung-SyndromMEF2C-assoziiertes Syndrom · NEDHSIL · Neurologische Entwicklungsstörung mit Hypotonie, stereotypen Handbewegungen und Sprachstörungen
esSíndrome de anomalías cerebrales-retraso grave del desarrollo-dismorfia facial-discapacidad intelectualSíndrome asociado al gen MEF2C · Trastorno del neurodesarrollo-hipotonía-movimientos estereotipados de las manos-afectación del lenguaje · Trastorno del neurodesarrollo-hipotonía-movimientos estereotipados de las manos-trastorno del lenguaje
itSindrome anomalie cerebrali-grave ritardo dello sviluppo-dismorfismi facciali-disabilità intellettivaMalattia del neurosviluppo-ipotonia-movimenti stereotipati delle mani-deficit del linguaggio · Sindrome correlata a MEF2C
nlHersenafwijkingen - ernstige ontwikkelingsachterstand - faciale dysmorfie - intellectuele achterstand-syndroomMEF2C-gerelateerd syndroom · Neurologische ontwikkelingsstoornis - hypotonie - stereotiepe handbewegingen - taalstoornis
ptSíndrome de anomalias cerebrais-perturbação grave do desenvolvimento-dismorfia facial-perturbação do desenvolvimento intelectualDoença do neurodesenvolvimento-hipotonia-movimentos estereotipados das mãos-perturbação da linguagem · Síndrome MEF2C-relacionada
plZespół z wadami mózgu, ciężkim opóźnieniem rozwoju, dysmorfią twarzy i niepełnosprawnością intelektualną= en
csSyndrom zahrnující abnormality mozku, těžké vývojové opoždění, faciální dysmorfii a intelektovou nedostatečnost= en
ukСиндром аномалій головного мозку-тяжкої затримки розвитку-дизморфізму обличчя- інтелектуальної недостатностіСиндром, повязаний з MEF2C · Порушення нейророзвитку - гіпотонія - стереотипні рухи рук - порушення мови
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Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM613443Evalidated
ICD-10Q87.0NTBTattributedvalidated
MONDO13266Evalidated
UMLSC3150700Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

Children (2):

4

Genes

0 direct · 2 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MEF2CORPHA:664416Brain abnormalities-severe developmental delay-facial dysmorphism-intellectual disability syndrome due to MEF2C mutationDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:6996ENSG000000811896006625q14.3myocyte enhancer factor 2C23389741[PMID]
MEF2CORPHA:2283845q14.3 microdeletion syndromeRole in the phenotype ofAssessedHGNC:6996ENSG000000811896006625q14.3myocyte enhancer factor 2C20513142[PMID]
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Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card