Revision 36 for 'Galeazzi fracture-dislocation'

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Galeazzi fracture-dislocation

Galeazzi fracture-dislocations consist of fracture of the distal part of the radius with dislocation of distal radioulnar joint and an intact ulna. A Galeazzi equivalent fracture is a distal radial fracture with a distal ulnar physeal fracture 2.


Galeazzi fractures are primarily encountered in children, with a peak incidence of 9-12 years of age 3. In adults, it is estimated to account for ~7% forearm fractures 3.


Typically Galeazzi fracture-dislocations occur following a fall on an outstretched hand (FOOSH) with a flexed elbow.

Radiographic features

Galeazzi fractures are classified according to the position of the distal radius:

  • type I: dorsal displacement
  • type II: volar displacement
Plain film

Plain films are usually sufficient for diagnosis and management planning. However, good quality orthogonal views are needed to identify and characterize displacement correctly. Features include: 

  • radial shaft fracture
    • commonly at the junction of the middle and distal third
    • dorsal angulation
  • dislocation of the distal radioulnar joint
  • radial shortening may occur and if greater than 10 mm, suggests complete disruption of the interosseous membrane
Report checklist

In addition to stating the presence of the radial fracture and distal radio-ulnar joint dislocation, a number of features should be sought and commented upon:

  • radial fractures
    • location
    • angulation
    • degree of shortening (see above)
  • distal radioulnar joint dislocation
    • direction

Treatment and prognosis

These fractures are unstable and operative fixation is usually required to reduce and fix the radial fracture, and the arm is immobilized in pronation 3-4. The exact mode of fixation depends on the location of the radial fracture 4

  • diaphysis: elastic nail
  • metaphyseal-diaphyseal junction: plate and screw
  • distal radius: K-wire

In Galeazzi equivalent fractures, ulnar physeal arrest is frequent, seen in 55% of cases. 

History and etymology

First described by Riccardo Galeazzi (1866-1952), an orthopedic surgeon from Italy in 1934 1,2.

Many people consider the Galeazzi and Piedmont fractures as the same injury. However, some state that the latter is an isolated radial fracture without distal radioulnar dissociation. The Piedmont fracture was so named by the Piedmont Orthopedic Society.

See also

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