Epl Tendon Tear
6 interestingly epl tendon ruptures are more commonly associated with nondisplaced distal radial fractures rather than displaced fractures.
Epl tendon tear. The first is after a fracture of the wrist in particular where the fracture is not very displaced. Boutonniere deformity describes the bent down flexed position of the middle joint of the finger. S00 t88 injury poisoning and certain other consequences of external causes s60 s69 injuries to the wrist hand and fingers s66 injury of muscle fascia and tendon at wrist and hand level 2021 icd 10 cm diagnosis code s66212a. Zone i disruption of terminal extensor tendon distal to or at the dip joint of the fingers and ip joint of the thumb epl mallet finger.
Extensor pollicis longus epl is a tendon which runs on the back side of the wrist and is confined to a tight tunnel. There are two situations that are associated with rupture. Fortunately there are two muscles that extend the index finger. The epl tendon typically cannot be directly repaired because it is too frayed.
Zone ii disruption of tendon over middle phalanx or proximal phalanx of thumb epl zone iii. This tendon is vulnerable to rupture in the tunnel at the wrist. In that case the damage to the tendon is both from the inflammation and damage to the joint beneath and also direct tendon damage from the rheumatoid process known as teno synovitis. Unless the doctor is sure that the injury is a partial tear surgery will be done to repair the tendon.
The second is in rheumatoid arthritis where there is inflammation round the tendon in this area. What are the signs of rupture. It is common when a ball or other object strikes the tip of the finger or thumb and forcibly bends it. Zones of extensor tendon injuries.
This happens when an extensor tendon has been cut or torn from the bone figure 2. Another cause of epl rupture is rheumatoid arthritis. So that one can be spared if necessary. What is rupture of epl.
One tendon is left intact on the index finger so that it wont lose extension and the extra tendon can be transferred over to the thumb to replace the lost function. After your operation you will be placed in a cast or immobilizer as if you had a partial.