Abstract:Swan neck deformity is characterized by hyperextension of the proximal interphalangeal joint and limited extension of the distal interphalangeal joint, showing the shape of a swan’s neck. The deformity can occur either acutely or chronically. A common acute cause of this deformity is trauma, and a common chronic cause is a secondary deformity due to rheumatoid arthritis. The treatment of swan neck deformity tends to depend on the knowledge and experience of the physician because the number of cases that hand s… Show more
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