Volar Plate Fracture

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Volar plate fractures are the result of hyperextension. This injury typically involve the proximal interphalangeal joint of the fingers. At this location, the volar plate (a dense fibrous band) forms a portion of the capsule. Typically, there is a small fragment of bone avulsed from the volar aspect of the base of the proximal phalanx. If not repaired, this can lead to instability. A Wilson fracture refers to a volar plate injury to the middle phalanx of a finger.
 - Click on the image for a larger versionALateral radiograph of the hand. This shows an avulsion fracture of the base of the middle phalanx of the third digit.

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