Bado classification of Monteggia fracture-dislocations

Case Discussion

Bado classification is used to classify Monteggia fracture-dislocations:

• type I: anterior dislocation of the radial head and anteriorly angulated ulnar shaft fracture
• type II: posterior dislocation of the radial head and posteriorly angulated ulnar shaft fracture
• type III: lateral or anterolateral dislocation of the radial head and metaphyseal ulnar fracture
• type IV: anterior dislocation of the radial head and ulnar and radial fractures