raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2947

Triphalangeal thumbs-brachyectrodactyly syndrome

Synonyms: Carnevale-Hernández-del Castillo-Torres syndrome

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

A rare genetic syndrome with limb duplication, polydactyly, syndactyly, and/or hyperphalangy characterized by duplication anomalies such as triphalangeal thumbs, phalangeal duplication of other digits, and polydactyly, associated with highly variable combinations of ectrodactyly, brachydactyly, and syndactyly of hands and/or feet. Severe nail dysplasia or absence of nails is also observed.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enTriphalangeal thumbs-brachyectrodactyly syndromeCarnevale-Hernández-del Castillo-Torres syndrome
frSyndrome de pouce triphalangé-brachyectrodactylieSyndrome de Carnevale-Hernández-del Castillo-Torres
deTriphalangeale Daumen-Brachyektrodaktylie-SyndromCarnevale-Hernández-del Castillo-Torres-Syndrom
esSíndrome del pulgar trifalángico-braquiectrodactiliaSíndrome de Carnevale-Hernández-del Castillo-Torres
itSindrome pollice trifalangeo-brachiectrodattiliaSindrome di Carnevale-Hernandez-del Castillo · Sindrome di Carnevale-Hernandez-del Castillo-Torres · Sindrome di Carnevale-Hernández-del Castillo
nlTrifalangeale duimen - brachyectrodactylie-syndroomSyndroom van Carnevale-Hernández-del Castillo-Torres
ptSíndrome de polegares trifalângicos-braquiectrodactiliaSíndrome Carnevale-Hernandez del Castillo-Torres
plTrójpaliczkowe kciuki - brachyektrodaktyliaZespół Carnevale'a, Hernandeza i del Castillo · Zespół trójpaliczkowych kciuków i brachyektrodaktylii
csSyndrom zahrnující tříčlánkové palce na rukou a brachyektrodaktyliiCarnevaleové-Hernándezové-del Castillové syndrom · Carnevale-Hernández-del Castillové syndrom
ukСиндром трифалангової брахіектродактилії великих пальцівСиндром Карневале-Ернандеса-дель-Кастілло-Торреса
zh三指节拇指-短指(趾)缺指(趾)综合征Carnevale-Hernández-del Castillo综合征
trTrifalanjiyal başparmak-brakiektrodaktili sendromCarnevale-Hernández-del Castillo sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM190680Evalidated
ICD-10Q74.8NTBTattributedvalidated
ICD-11LD26.2NTBTindexvalidated
MONDO0008607Evalidated
MeSHC536564Evalidated
UMLSC1860804Evalidated
GARD5290Evalidated

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/families4 familiesWorldwideFamily(ies)Validated7438506[PMID]_3568429[PMID]_8946115[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_7438506[PMID]_3568429[PMID]_8946115[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

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

7

Sources for this card