Polysyndactyly
ORPHA:93338· ICD-10 Q70.4
Definition
Polysyndactyly or PPD4 is a form of preaxial polydactyly of fingers, a limb malformation syndrome, characterized by the presence of a thumb showing the mildest degree of duplication, being broad, bifid or with radially deviated distal phalanx. Syndactyly of various degrees of third-and-fourth fingers is occasionally present.
- Inheritance
- Autosomal dominant
- Age of onset
- Infancy, Neonatal