Monteggia Fracture

Monteggia fractures are displaced fractures of the proximal one-third of the ulnar shaft combined with a radial head dislocation. It is a fracture of the proximal third of the ulna with the dislocation of the head of radius.

It is named after Giovanni Battista Monteggia (1762–1815) who was an Italian surgeon. Monteggia first described about fractures between the proximal third of the ulna and the base of the olecranon combined with an anterior dislocation of the proximal radio-ulnar joint in 1814.

Bado coined the term “Monteggia Fracture” in 1967 and described four different patterns of the Monteggia lesion. Bado extended Monteggia's original description to include any fracture of the ulnar with an associated dislocation of the proximal radio-ulnar joint.He divided Monteggia lesions into 4 types with the classification depending on the direction of the radial head.


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