It is the congenital fusion of 2 or more adjacent fingers or toes with involvement of their skin and possibly their bony structures. It may be sporadic or syndromic (in terms of Apert or Poland syndrome).
The reconstruction involves separation of the fingers or toes using triangular flaps and skin grafts to cover the lateral defects. I operate using magnifying loupes to protect the extremely small digital arteries and nerves.
Between 18-24 months of age. Early reconstruction is indicated when the syndactyly involves fingers of different lengths (e.g. thumb – index) because unequal growth will lead to bending of the longer finger.