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Volar Plate Avulsion Injury

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The volar plate forms the floor of the PIP joint separating the joint space form the flexor tendon sheath.

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Hyperextension injury of the finger commonly associated with an avulsion fracture at the base of the middle phalanx. 

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Management is based on:

  • size of the fragment (<40% of articular segment)

  • degree of impaction

  • direction of the dislocation

Classification

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Eaton Classification
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