Polydactyly & Syndactyly
Epidemiology
More common in African Americans
Aetiology
Sporadic and AD
VACTERL
Classification
Preaxial
Type 1: Thumb polydactyly
Type 2: Triphalangeal thumb
Type 3: Index polydactyly
Type 4: Polysyndactyly
Central
More common in African Americans
Sporadic and AD
VACTERL
Preaxial
Type 1: Thumb polydactyly
Type 2: Triphalangeal thumb
Type 3: Index polydactyly
Type 4: Polysyndactyly
Central