raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:137678

Spondyloepiphyseal dysplasia with metatarsal shortening

Synonyms: Czech dysplasia, metatarsal type · SED with metatarsal shortening

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adolescent, Childhood
Status
active

A rare, genetic, primary bone dysplasia disorder characterized by early-onset, progressive pseudorheumatoid arthritis, platyspondyly, and hypoplasia/dysplasia of the third and fourth metatarsals, in the absence of ophthalmologic, cleft palate, and height anomalies.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSpondyloepiphyseal dysplasia with metatarsal shorteningCzech dysplasia, metatarsal type · SED with metatarsal shortening
frDysplasie spondyloépiphysaire avec raccourcissement des métatarsiensDysplasie tchèque type métatarsique · SED avec raccourcissement des métatarsiens
deDysplasie, spondyloepiphysäre, mit metatarsaler VerkürzungSED mit metatarsaler Verkürzung · Tschechische Dysplasie, metatarsaler Typ
esDisplasia espondiloepifisaria con acortamiento metatarsianoDisplasia checa, tipo metatarsiano
itDisplasia spondiloepifisaria con accorciamento dei metatarsiDisplasia ceca, tipo metatarsico · SED con accorciamento dei metatarsi
nlSpondylo-epifysaire dysplasie met abnormaal korte metatarsalenSED met abnormaal korte metatarsalen · Tsjechische dysplasie, metatarsaal type
ptDisplasia espondiloepifisária com encurtamento metafisárioDisplasia checa tipo metatársica
plDysplazja kręgosłupowo-nasadowa ze skróceniem sródstopia= en
csČeská dysplázie, metatarzální typ= en
ukСпондилоепіфізарна дисплазія з вкороченням плеснової кісткиЧеська дисплазія, плесновий тип · SED з укороченням плеснової кістки
zh跖骨型Czech发育不良= en
trÇek displazisi, metatarsal tip= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM609162Evalidated
ICD-10Q77.7NTBTattributedvalidated
ICD-11LD24.3NTBTindexvalidated
MONDO0012206Evalidated
MeSHC535766Evalidated
UMLSC1836683Evalidated
GARD10220Evalidated

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
COL2A1Disease-causing germline mutation(s) inAssessedHGNC:2200ENSG0000013921912014012q13.11collagen type II alpha 1 chain17726487[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families13 familiesWorldwideFamily(ies)Validated30363003[PMID]_19764028[PMID]_[EXPERT]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_30363003[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.

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Sources for this card