Monteggia fracture

The Monteggia fracture is a fracture of the ulna that affects the joint with the radius.

More precisely, it is a fracture of the proximal third of the ulna with the dislocation of the head of radius. Two types: The type depending on the displacemnt of the fracture fragment. The cause most frequently is a fall on an outstretched hand.
 * Flexion type
 * Extension type.

Management
Monteggia fractures maybe managed conservatively in children, but due to high risk of displacement causing malunion open reduction and internal fixation is typically done.