raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:93409

Brachydactyly-syndactyly, Zhao type

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

Brachydactyly-syndactyly, Zhao type is a recently described syndrome associating a brachydactyly type A4 (short middle phalanges of the 2nd and 5th fingers and absence of middle phalanges of the 2nd to 5th toes) and a syndactyly of the 2nd and 3rd toes. Metacarpals and metatarsals anomalies are common.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enBrachydactyly-syndactyly, Zhao type
frBrachydactylie-syndactylie type Zhao
deBrachydaktylie-Syndaktylie Typ Zhao
esBraquidactilia-sindactilia, tipo Zhao
itBrachidattilia - sindattilia, tipo Zhao
nlBrachydactylie-syndactylie, Zhao-type
ptBraquidactilia-sindactilia, tipo Zhao
plBrachydaktylia-syndaktylia typu Zhao
csBrachydaktylie a syndaktylie, Zhaové typ
ukБрахідактилія-синдактилія, тип Чжао
zh短指(趾)-并指(趾)畸形,赵型
trBrakidaktili-sindaktili, Zhao tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM610713Evalidated
ICD-10Q73.8NTBTattributedvalidated
ICD-11LD26.2NTBTindexvalidated
MONDO12544Evalidated
UMLSC4303990Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HOXD13Disease-causing germline mutation(s) inAssessedHGNC:5136ENSG000001287141429892q31.1homeobox D1317236141[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 familiesWorldwideFamily(ies)Validated17236141[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_17236141[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

7 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0010047Short 5th metacarpal
HP:0004704Short fifth metatarsal
HP:0009577Short middle phalanx of the 2nd finger
HP:0004220Short middle phalanx of the 5th finger
HP:0001770Toe syndactyly
Frequent (79-30%)
HP:0001822Hallux valgus
HP:0009773Symphalangism affecting the phalanges of the hand

Run the differential on the 5 obligate / very frequent terms

Annotation source: 17236141[PMID]

7

Sources for this card