raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:652487

Developmental delay-overweight-facial dysmorphism-behavioral abnormalities syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Status
active

A rare overgrowth/obesity syndrome characterized by mild developmental delay (notably speech delay), behaviour abnormalities (including autistic or attention deficit hyperactivity disorder features, hypersociability/ overfriendliness), overweight/obesity and mild dysmorphic features (including deep set eyes, broad bulbous nasal tip, large everted ears and thin upper lip). Other clinical features include variable and mild intellectual diability when present, broad short hands and feet.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enDevelopmental delay-overweight-facial dysmorphism-behavioral abnormalities syndrome
frSyndrome de retard du développement-surpoids-dysmorphie faciale-troubles du comportement
deEntwicklungsverzögerung-Übergewicht-Gesichtsdysmorphien-Verhaltensauffälligkeiten-Syndrom
esSíndrome de retraso del desarrollo-sobrecrecimiento-dismorfia facial-trastornos de conducta
itSindrome ritardo dello sviluppo-sovrappeso-dismorfismi facciali-anomalie comportamentali
nlOntwikkelingsachterstand - overgewicht - faciale dysmorfie - gedragsstoornis-syndroom
ptSíndrome de perturbação do desenvolvimento-sobrecrescimento-dismorfia facial-perturbação comportamental
plZespół z opóźnieniem rozwoju, nadwagą, dysmorfią twarzy i zaburzeniami zachowania
csSyndrom zahrnující vývojové opoždění, nadváhu, faciální dysmorfii a poruchy chování
ukСиндром затримки розвитку-надмірної ваги-дисморфізму обличчя-поведінкових відхилень

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM620439Evalidated
ICD-10Q87.3NTBTattributedvalidated
MONDO0957397Evalidated
MONDO957397Evalidated
UMLSC5924786Evalidated

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
SRRM2Disease-causing germline mutation(s) inAssessedHGNC:16639ENSG0000016797860603216p13.3serine/arginine repetitive matrix 235567594[PMID]_37212523[PMID]_37272925[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