Causes of extensor tendon injuries
Extensor tendon lacerations usually result from open lacerations or from a blow.
Inability to extend the affected finger or deformity.
How to diagnose it?
Usually, clinical examination alone allows accurate diagnosis.
The hand usually needs to be splinted until the tendon heals.
When the tendon has been cut by a laceration, the surgeon will repair the tendon with sutures and immobilize the hand after surgery. Hand therapy will be required.