Radiographic Compendium of Elbow Fractures

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These radiographs document a fracture of the proximal ulna and what other associated injury?

1. 
   The associated injury common to all three radiographs is a radial head dislocation, which makes them Monteggia-type fractures. These occur most frequently in either an anterior pattern (transolecranon) shown in Figure A or a posterior pattern shown in Figures B and C (posterior Monteggia).
   

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<p>The associated injury common to all three radiographs is a radial head dislocation, which makes them Monteggia-type fractures. These occur most frequently in either an anterior pattern (transolecranon) shown in Figure A or a posterior pattern shown in Figures B and C (posterior Monteggia).</p>