Two Cases of Post-traumatic Radio-ulnar Synostosis Treated by Synostosis Excision and Pedicled Radial Forearm Adipofascial Flap Interposition

Abstract

Post-traumatic radio-ulnar synostosis is a rare complication of forearm fracture. We report two cases of adult post-traumatic radio-ulnar synostosis treated by synostosis excision and radial forearm adipofascial flaps. Synostosis excision and pedicled radial forearm adipofascial flap interposition to prevent recurrence resulted in good functional outcomes and no recurrence. The best treatment for post-traumatic radio-ulnar synostosis remains controversial. Several interposition materials have been used to prevent the reformation of bone between the radius and ulna after synostosis excision. The advantages of pedicled radial forearm adipofascial flaps are reliable vascularity and flap elevation using the same synostosis excision approach.