Polydactyly

Description: Wheeless' Textbook of Orthopaedics
polydactyly in the foot usually involes a single duplication (hexadactyly)
- associated anomalies:
- duplications occur bilaterally in about 40-50% of patients, but often the duplications are not symmetric;
- polydactyly of hand occurs in about 1/3 of patients;
- syndactyly of the toes occurs in about 1/5 patients;
- Down's syndrome will be present in a minority of cases;