Preaxial polydactyly

Last revised by Dr Mostafa El-Feky on 05 Sep 2021

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

Epidemiology

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

Associations

Preaxial polydactyly may be associated with:

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Cases and figures

  • Case 1
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  • Case 2
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  • Case 3
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  • Case 4
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  • Case 5
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  • Case 6: with clinodactyly
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