raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2987

Antecubital pterygium syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

A rare, genetic, dermis disorder characterized by bilateral, fairly symmetrical, antecubital webbing extending from distal third of humerus to proximal third of forearm, associated with musculoskeletal abnormalities (i.e. absent long head of triceps, bilateral posterior dislocation of the radial head and hypoplasia of the olecranon processes) and absent skin creases over the terminal interphalangeal joints of fingers, clinically manifesting with moderate to severe elbow extension and supination limitation.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAntecubital pterygium syndrome
frSyndrome du ptérygium antécubital
dePterygium-Syndrom, antekubitales
esSíndrome de pterigium antecubital
itSindrome da pterigio dei gomiti
nlAntecubitaal pterygium-syndroom
ptSíndrome pterígio antecubital
plZespół płetwistości łokciowych
csSyndrom antekubitálních pterygií
ukСиндром антекубітального птеригіуму
zh肘前翼状胬肉综合征
trAntekubital piterjiyum sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM178200Evalidated
ICD-10Q87.2NTBTattributedvalidated
ICD-11LD26.YNTBTattributedvalidated
MONDO0008339Evalidated
MeSHC566738Evalidated
UMLSC1867439Evalidated
GARD4570Evalidated

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 (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families11 casesWorldwideCase(s)Validated3409540[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_3409540[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.

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HPO phenotypes

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

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Sources for this card