triphalangeal thumb
Triphalangeal thumb is considered a form of pre-axial polydactyly.
Epidemiology
Triphalangeal thumbs have an incidence of 1 in 25,000 .
Pathology
A triphalangeal thumb, as the name implies, has three phalanges instead of the usual two. There is an autosomal dominant genetic transmission .
Associations
There is a long list of associations :
- Aase syndrome
- Diamond-Blackfan syndrome
- DOOR syndrome
- Duane-radial syndrome
- Fanconi anemia (pancytopenia-dysmelia syndrome)
- fetal hydantoin syndrome (Dilantin embryopathy)
- Goodman syndrome
- Holt-Oram syndrome
- hypomelanosis of Ito
- IVIC syndrome
- Juberg-Hayward syndrome
- Lacrimo-auriculo-dento-digital syndrome (LADD syndrome / Levy-Hollister syndrome)
- mesomelic dysplasia (Werner type)
- Nager syndrome
- normal variant: isolated anomaly
- Poland syndrome (pectoral muscle aplasia-syndactyly)
- thalidomide embryopathy
- Townes-Brocks syndrome
- trichorhinophalangeal dysplasia type II (Langer Giedion syndrome)
- trisomy 13
- trisomy 22
- VATER association
Siehe auch:
- Pätau-Syndrom
- Poland-Syndrom
- Thalidomid-Embryopathie
- Trisomie 22
- angeborene Handfehlbildungen
- Fanconi-Anämie
- Varadi-Papp-Syndrom
- VATER association
- Tricho-rhino-phalangeale Dysplasie
- Holt-Oram-Syndrom
- Aase-Smith-Syndrom
- hydantoin embryopathy
- Goodman syndrome
- OFM Nager-Syndrom
- trichorhinophalangeal dysplasia type II
und weiter:
Assoziationen und Differentialdiagnosen zu dreigliedriger Daumen:
