boutonnièredeformitet
Boutonnière deformity is a condition affecting the finger, characterized by an abnormal bending of the finger at the middle joint, the proximal interphalangeal (PIP) joint, while the fingertip bends backward, towards the back of the hand. This results in a finger that resembles the eyelet of a buttonhole, hence the name.
The deformity typically arises from an injury to the extensor tendon at the base of the middle
Common causes of boutonnière deformity include direct trauma to the finger, such as a jammed finger, or
Symptoms include pain, swelling, and a characteristic loss of the ability to fully straighten the affected
Treatment depends on the cause and severity of the deformity. For recent injuries, splinting may be used