Skin expansion as preparation for an opening wedge osteotomy of the mid-foot in arthrogryposis.

A case report is presented in which tissue expansion is used to provide the additional skin needed during an opening wedge mid-foot osteotomy to correct a varus foot deformity in a patient with arthrogryposis multiplex congenita. Tissue expansion is a relatively new method of acquiring coverage for wounds which may have advantages over previous techniques. The risks and drawbacks of this technique will be described in detail.