Polydactyly of the foot.

Various types of the more common forms of polydactyly are discussed regarding both genetic background and surgical treatment. Two cases involving three different forms of polydactyly are presented. Surgical treatment of the condition is presented on an individual basis as to the type of polydactyly and the overall health status of the patient. Primary goals of surgery are discussed, including relief of symptoms, future shoe wear consideration, cosmesis and avoidance of growth center damage in children.