What causes swan neck deformity?
The usual cause of a swan neck deformity is weakness or tearing of a ligament on the palm side of the middle joint of the finger. Sometimes it is caused by tearing of the tendon that flexes the middle joint. In other cases, injury of the tendon that straightens the end joint is the cause.
Does swan neck deformity go away?
Generally, the swan neck deformity finger can be treated non-surgically using specially designed splints that immobilize the finger and promote natural healing. In cases of fracture, complete bone healing may take 6-8 weeks, followed by physical therapy for strengthening.
What happens in swan neck deformity?
Swan-neck deformity is a bending in (flexion) of the base of the finger, a straightening out (extension) of the middle joint, and a bending in (flexion) of the outermost joint. . Other causes include untreated mallet finger. It is usually caused by a tendon injury.
What can be done for swan neck deformity?
The treatment for SND can vary, depending on the condition's severity. Noninvasive treatments include physical therapy (PT), occupational therapy (OT), and splints. More invasive procedures include surgery. These can range from minor soft tissue repair to more drastic measures like replacing or fusing the finger joint.
What is the difference between mallet finger and swan neck deformity?
Without treatment, the DIP joint droops and won't straighten out. This condition is called a mallet finger. The extensor tendon may become imbalanced and begin to pull the PIP joint into hyperextension, forming a swan neck deformity. Chronic inflammation from RA can also disrupt the very end of the extensor tendon.
Can deformity be cured?
Surgery for Hands and Feet. If you have severe joint deformity -- painful, crooked fingers and toes -- surgery may be an option. It won't cure your RA, but it can improve the deformity, ease pain, and help your joints work better.