Recurrent ankle sprains secondary to nonunion of a lateral malleolus fracture.

A case of an adult man with symptoms of chronic recurrent ankle sprains secondary to nonunion of a fracture of the tip of the lateral malleolus is presented. The nonunion was debrided, bone grafted, and internally fixed by using the tension band wire technique. The fracture healed and the patient experienced no further episodes of ankle sprain.