Postaxial polydactyly type B
ORPHA:93335· ICD-10 Q69.0
Definition
A rare congenital limb malformation characterized by duplication of the fifth digit in a hand or foot, the sixth digit being rudimentary, poorly developed, and non-functional, frequently consisting of additional soft tissue on a pedicle. The anomaly can be unilateral or bilateral.
- Prevalence
- 1-5 / 10 000
- Inheritance
- Autosomal dominant
- Age of onset
- Antenatal