Preaxial polydactyly

Last revised by Lam Van Le on 27 Nov 2024

Preaxial polydactyly refers to polydactyly where the additional digit is towards the first digit of the hand (radial side) or foot (medially).

Radial polydactyly can be classified using the Wassel classification system.

Epidemiology

Preaxial polydactyly is less common than postaxial polydactyly, with an estimated incidence of 1 in 7000.

Associations

Preaxial polydactyly may be associated with:

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