Swan neck deformity
Swan Neck Deformity
Swan neck deformity (/swɒn nɛk dɪˈfɔːrmɪti/) is a condition that affects the joints in the fingers, causing the middle joint to bend inwards (flex) and the end joint to bend outwards (extend). This gives the finger a characteristic appearance resembling a swan's neck.
Etymology
The term "Swan neck deformity" is derived from the visual similarity between the affected finger's shape and the curved neck of a swan.
Causes
Swan neck deformity can be caused by various conditions, including rheumatoid arthritis, osteoarthritis, psoriatic arthritis, and lupus. It can also result from an injury to the finger.
Symptoms
The primary symptom of Swan neck deformity is the abnormal bending of the finger joints. This can lead to difficulty in gripping objects and performing fine motor tasks. Pain and stiffness in the affected finger may also be present.
Treatment
Treatment for Swan neck deformity may include physical therapy, splinting, or surgery. The specific treatment plan will depend on the severity of the deformity and the underlying cause.
Related Terms
- Boutonniere deformity: A deformity in which the middle joint of the finger bends outwards while the end joint bends inwards.
- Arthritis: A group of diseases characterized by inflammation of the joints.
- Lupus: An autoimmune disease that can cause inflammation and damage in various parts of the body.
External links
- Medical encyclopedia article on Swan neck deformity
- Wikipedia's article - Swan neck deformity
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