Case Report: A Rare Variety of Type 4 Monteggia Fracture Dislocation in A 28 Years Old Man


A Monteggia fracture is a fracture of the proximal ulna coupled with a radial head dislocation. Numerous classification systems have been developed to characterize these fractures. Bado classification is most commonly used. Bado type 1 Monteggia fractures are most common while type 3 & 4 are rare entities. In our case, after confirming the diagnosis as type 4 Bado Monteggia fracture dislocation, patient was posted for open reduction and internal fixation. The ulnar and radial fractures were rigidly fixed with 3.5 compression plate and ulnar length restored. However, the radial head was still found to be dislocated anteriorly on fluoroscopy. An attempt of closed reduction of the radial head failed. Open reduction of the radial head was performed under image intensifier and fixed with a Kirschner’s wire followed by immobilization in hyperflexion for 2 weeks. The patient followed up at the end of 2 weeks, 4 weeks and 6 weeks following injury and gradual mobilisation of the elbow joint was made. Further follow up at 6 months and 1 year showed complete return of routine function. As soon as the ulnar length is restored by rigid internal fixation, radial head is itself reduced in majority of Monteggia fracture dislocation where only ulnar fracture is involved. However, in cases of both bone forearm fracture with radial head dislocation, even after restoring the length of ulna and radius, operative reduction of radial head is essential.

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R. Bandyopadhyay and A. Mukherjee, "Case Report: A Rare Variety of Type 4 Monteggia Fracture Dislocation in A 28 Years Old Man," Open Journal of Orthopedics, Vol. 2 No. 2, 2012, pp. 47-50. doi: 10.4236/ojo.2012.22009.

Conflicts of Interest

The authors declare no conflicts of interest.


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