Score: Bado classification
Use: Monteggia fractures
Type I
Anteriorly angulated fracture of the ulna associated with an anterior dislocation of the radial head
Type II
Posteriorly angulated fracture of the ulnar diaphysis associated with a posterior dislocation of the radial head
Type III
Fracture of the ulnar metaphysis associated with a lateral or anterolateral dislocation of the radial head
Type IV
Fracture of the proximal third of the radius and ulna at the same level associated with an anterior dislocation of the radial head
Definitions
Monteggia fracture: a fracture of the proximal third of the ulna associated with an anterior dislocation of the radial head
Monteggia lesion: an ulnar fracture associated with an injury to the superior radioulnar jointReference
Classification and Diagnosis in Orthopaedic Trauma. Editors: Rahij Anwar, Kenneth W. R. Tuson, Shah Alam Khan. Cambridge University Press, 2008