Isolated loss of flexor pollicis longus function after plating of the radius

A paltenl presented with an open midshaft radius and ulna fracture which was treated with debridement and open reduction and internal fixation using the LC-IXT technique. Postoperatively the patient hail isolated loss of flexor ix»llicis longus function which recovered fully after 10 weeks with a 'wait-and-see" policy. An isolated traction ncuropnixia of the branch of ihe anterior interosseous nerve to the flexor pollicis longus muscle is the presumed cause.