raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2249

Ulna hypoplasia-intellectual disability syndrome

historical

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
historical

A rare genetic multiple congenital anomalies syndrome characterized by mesomelic shortness of the forearms mainly due to bilateral symmetrical ulnar hypoplasia, bilateral clubfeet, anonychia congenita (absent toe and finger nails), limited knee and elbow movement, severe varus deformity and severe intellectual disability. There have been no further descriptions in the literature since 1995.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enUlna hypoplasia-intellectual disability syndrome
frSyndrome d'hypoplasie du cubitus-déficience intellectuelle
deUlnahypoplasie-Intelligenzminderung-Syndrom
esSíndrome de hipoplasia de cúbito-discapacidad intelectual
itSindrome ipospadia-disabilità intellettiva tipo Goldblatt
nlHypoplasie van ulna - intellectuele achterstand-syndroom
ptSíndrome de hipoplasia do cúbito-perturbação do desenvolvimento intelectual
plHipoplazja kości łokciowej - niepełnosprawność intelektualna
csSyndrom zahrnující ulnární hypoplázii a mentální retardaci
ukСиндром гіпоплазії ліктьової кістки - інтелектуальної недостатності
zh尺骨发育不全-智力障碍综合征
trUlna hipoplazisi-zihinsel yetersizlik sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM276821Evalidated
ICD-10Q87.2NTBTattributedvalidated
MONDO0010165Evalidated
MeSHC536934Evalidated
UMLSC4304398Evalidated
GARD5398Evalidated

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 (4):

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)Validated7625433[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_7625433[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

20 annotations · validated 2017-07-28
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001817Absent fingernail
HP:0001802Absent toenail
HP:0000270Delayed cranial suture closure
HP:0003042Elbow dislocation
HP:0001263Global developmental delay
HP:0002984Hypoplasia of the radius
HP:0003022Hypoplasia of the ulna
HP:0001252Hypotonia
HP:0001249Intellectual disability
HP:0001387Joint stiffness
HP:0000239Large fontanelles
HP:0003027Mesomelia
HP:0001840Metatarsus adductus
HP:0002983Micromelia
HP:0003510Severe short stature
HP:0001328Specific learning disability
HP:0001883Talipes
HP:0009465Ulnar deviation of finger
Frequent (79-30%)
HP:0010059Broad hallux phalanx
HP:0011304Broad thumb
7

Sources for this card