Bado classification of Monteggia fracture-dislocations

Case contributed by Leonardo Lustosa
Diagnosis not applicable

Illustration of the 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

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