pre-axial polydactyly

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

Epidemiology

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

Pathology

Associations

Pre-axial polydactyly can be associated with:

• Down syndrome
• VATER association
• Holt-Oram syndrome
• Greig cephalopolysyndactyly syndrome
• Carpenter syndrome
• Laurin-Sandrow syndrome
• Fanconi anemia

Siehe auch:

• Polydaktylie
• postaxiale Polydaktylie