Monteggia Fracture Dislocation (1)
Monteggia Fracture Dislocation (1)
Monteggia Fracture Dislocation (1)

This x-ray shows proximal ulnar fracture (blue arrow) with associated radial head dislocation. The radial head (red arrow) is above the capitellum, its normal articulation.

Image courtesy of Danielle Campagne, MD.