Volar plate avulsion fracture

Case contributed by Robert Foley

Presentation

Hyperextension injury during rugby with dislocation of the proximal interphalangeal joint. X-ray to check for a fracture?

Patient Data

Age: 35 years
Gender: Male
X-ray

There is a small volar avulsion fracture at the base of the middle phalanx. No joint subluxation.

Case Discussion

Volar plate avulsion injuries are a common sporting injury secondary to hyperextension.

A bone fragment is seen anterior to the base of the middle phalanx on the lateral radiograph secondary to avulsion at the ligamentous insertion of the volar plate onto the middle phalanx.

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