Hexadactyly
| Classification according to ICD-10 | |
|---|---|
| Q69.0 | Accessory finger (s) |
| Q69.1 | Accessory thumb (s) |
| Q69.2 | Accessory toe (noun) |
| Q69.9 | Polydactyly, unspecified |
| ICD-10 online (WHO version 2019) | |
The presence of six fingers on a hand or six toes on a foot is called hexadactyly (from ancient Greek ἕξ hex 'six' and δάκτυλος dáktylos 'finger'). Hexadactyly belongs to the group of polydactyls .
If there are more than ten syndromes, a hexadactyly of the hands ( hexacheirodactyly ) or a hexadactyly of the feet ( hexapododactyly ) is one of the symptoms that have a noticeably frequent influence on the phenotype .
This group of syndromes includes e.g. B.
- Bardet-Biedl syndrome
- C syndrome
- Acrofacial dysostosis (Weyers)
- Eaton-McKusick syndrome
- Ellis van Creveld syndrome (chondroectodermal dysplasia)
- Basal cell nevus syndrome
- Meckel-Gruber syndrome
- Patau syndrome (trisomy 13)
- Simpson-Golabi-Behmel Syndrome
- Smith-Lemli-Opitz syndrome
- Weyers Syndrome
literature
- Martin Amanshauser: Chicken Christl. 2004, ISBN 3-216-30679-8 . (The main character in this book has a two-handed hexadactyly)
Individual evidence
- ^ Wilhelm Gemoll : Greek-German school and hand dictionary . G. Freytag Verlag / Hölder-Pichler-Tempsky, Munich / Vienna 1965.
- ↑ G. Burg, J. Kunze, D. Pongratz, PG Scheurlen, A. Schinzel, J. Spranger (eds.); B. Leiber: The clinical syndromes. Syndromes, sequences and symptom complexes. 7th edition. Urban & Schwarzenberg 1990, ISBN 3-541-01727-9 .
