raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3248

Isolated distal symphalangism

historical

Type
Morphological anomaly
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
historical

Distal symphalangism is a very rare bone disorder characterized by ankylosis of the distal interphalangeal joints of the hands and/or feet.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated distal symphalangism
frSymphalangie distale isolée
deSymphalangismus, isolierter distaler
esSinfalangismo distal aislado
itSinfalangismo distale isolato
nlGeïsoleerd distaal symfalangisme
ptSinfalangismo distal isolado
plIzolowany dystalny symfalangizm
csDistální symfalangismus
ukІзольований дистальний симфалангізм
zh远端指关节粘连
trDistal simfalanjizm

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM185700Evalidated
ICD-10Q70.9NTBTattributedvalidated
ICD-11LB90.YNTBTindexvalidated
MONDO0008509Evalidated
UMLSC5925003Evalidated
GARD5074Evalidated

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/families8 familiesWorldwideFamily(ies)Validated3436086[PMID]_2061594[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_3436086[PMID]_2061594[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

4 annotations · validated 2017-10-18
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0100490Camptodactyly of finger
HP:0001387Joint stiffness
HP:0009773Symphalangism affecting the phalanges of the hand
Occasional (29-5%)
HP:0005048Synostosis of carpal bones
7

Sources for this card