An exceptionally infrequent case report open traumatic avulsion of flexor pollicis longus muscle tendon from muscle tendon joint

The traumatic avulsion of flexor tendons from muscle tendon joint is an exceptionally infrequent form of injury. three of six cases that are reported in medical literature are related to flexor pollicis longus (fpl) tendon. only one of them is in the form of open traumatic injury. current report present exceptionally infrequent case in medical literature, in which fpl tendon ruptured from proximal muscle tendon junction after an open tenar area injury. patient was operated at the same day and fpl tendon was repaired with transferring to the palmaris longus tendon. wound healing and functional result at second month postoperatively were satisfying.