raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:168552

Spondylometaphyseal dysplasia-bowed forearms-facial dysmorphism syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy
Status
active

A rare, genetic, primary bone dysplasia disorder characterized by short stature, hyperlordosis, protuberant abdomen, mild bilateral genu varum, bowed and shortened forearms with limited elbow extension, and discrete facial dysmorphism (prominent forehead, hypertelorism, flat nasal bridge). Radiographically, moderate platyspondyly, including posterior wedging with anterior bullet-shaped vertebral bodies, with minimal metaphyseal abnormalities are observed.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSpondylometaphyseal dysplasia-bowed forearms-facial dysmorphism syndrome
frSyndrome de dysplasie spondylo-métaphysaire-avant-bras incurvé-dysmorphie faciale
deSpondyloepimetaphysäre Dysplasie-gebogene Unterarme-Gesichtsdysmorphien-Syndrom
esSíndrome de displasia espondiloepimetafisaria-antebrazos arqueados-dismorfia facial
itDisplasia spondilometafisaria, incurvamento degli avambracci, dismorfismi facciali
nlSpondylometafysaire dysplasie - gebogen onderarmen - faciale dysmorfie-syndroom
ptSíndrome de displasia espondilometafisária-antebraços arqueados-dismorfia facial
plDysplazja kręgowo-przynasadowa sprzężona - łukowate przedramiona - dysmorfia twarzy
csSyndrom zahrnující spondylometafyzární dysplázii, křivé předloktí a faciální dysmorfismus
ukСиндром спондилометафізарної дисплазії-зігнутого передпліччя-дисморфізму обличчя
zh脊柱干骺端发育不良-前臂弯曲-面部畸形综合征
trSpondilometafizer displazi-eğik önkol-fasiyal dismorfizm sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607543Evalidated
ICD-10Q77.8NTBTattributedvalidated
ICD-11LD24.4NTBTindexvalidated
MONDO0011856Evalidated
MeSHC535791Evalidated
UMLSC5190708Evalidated
GARD8719Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated12503112[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_12503112[PMID]

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