Motorbike accident, forearm swelling and pain.
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PA and lateral radiographs of the wrist and proximal forearm demonstrate a fracture at the mid to distal thirds of the radial shaft with overriding of the fragments.
There is a widening of the distal radio-ulnar joint with dorsal displacement of the ulna on the lateral view consistent with distal radioulnar dissociation. This pattern of fracture and dislocation is known as Galeazzi fracture-dislocation.
The Galeazzi fracture-dislocation pattern involves fractures of the junction of the distal third and middle third of the radius with associated subluxation or dislocation of the distal radioulnar joint (DRUJ).