raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:93351

Spondyloepimetaphyseal dysplasia, Irapa type

historical

Synonyms: SEMD, Irapa type

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood
Status
historical

A rare spondyloepiphyseal dysplasia and spondyloepimetaphyseal dysplasia characterized by disproportionate short-trunked short stature, pectus carinatum, short arms, short and broad hands, short metatarsals, flat and broad feet, coxa vara, genu valgum, osteoarthritis, arthrosis and moderate-to-serious gait impairment. There have been no further description in the literature since 1981.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSpondyloepimetaphyseal dysplasia, Irapa typeSEMD, Irapa type
frDysplasie spondylo-épimétaphysaire type IrapaSEMD, type Irapa
deDysplasie, spondyloepimetaphysäre, Typ IrapaSEMD Typ Irapa
esDisplasia espondiloepimetafisaria tipo IrapaSEMD tipo Irapa
itDisplasia spondiloepimetafisaria, tipo IrapaSEMD, tipo Irapa
nlSpondylo-epimetafysaire dysplasie, Irapa-typeSEMD, Irapa-type
ptDisplasia espondilometafisária, tipo Irapa
plDysplazja kręgowo-nasadowo-przynasadowa typu IrapaSEMD typu Irapa · SEMD, typ Irapa
csSpondyloepimetafyzární dysplázie, typ IrapaSEMD, typ Irapa
ukСпондилоепіметафізарна дисплазія, тип ІрапаSEMD, тип Irapa
zh脊椎干骺端发育不良,Irapa型SEMD,Irapa型
trSpondiloepimetafizyal displazi, Irapa tipiSEMD, Irapa tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM271650Evalidated
ICD-10Q77.7NTBTattributedvalidated
ICD-11LD24.3NTBTindexvalidated
MONDO0010076Evalidated
MeSHC562958Evalidated
UMLSC0432213Evalidated

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

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_6772027[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

26 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001367Abnormal joint morphology
HP:0000944Abnormal metaphysis morphology
HP:0000772Abnormal rib morphology
HP:0005930Abnormality of epiphysis morphology
HP:0002829Arthralgia
HP:0001769Broad foot
HP:0001169Broad palm
HP:0002812Coxa vara
HP:0008873Disproportionate short-limb short stature
HP:0001288Gait disturbance
HP:0002857Genu valgum
HP:0001376Limitation of joint mobility
HP:0002983Micromelia
HP:0002758Osteoarthritis
HP:0000768Pectus carinatum
HP:0001763Pes planus
HP:0000926Platyspondyly
HP:0004279Short palm
HP:0002651Spondyloepimetaphyseal dysplasia
HP:0009824Upper limb undergrowth
Frequent (79-30%)
HP:0008839Hypoplastic pelvis
HP:0000939Osteoporosis
HP:0010049Short metacarpal
HP:0010743Short metatarsal
Occasional (29-5%)
HP:0001191Abnormal carpal morphology
HP:0005048Synostosis of carpal bones

Annotation source: 6772027[PMID]

7

Sources for this card