Swan neck deformity

'Swan neck deformity' can also refer to...


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Hyperextension of the PIP joint with flexion of the DIP joint.

Causes of swan neck:

PIP: volar plate deficiency.Flexor: rupture of FDS.Intrinsics: intrinsic muscle contractures.Extrinsics: chronic mallet finger, extensor tension, e.g. wrist deformity.


Subjects: Plastic and Reconstructive Surgery.

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