✅ Dr. Slothic Notes

📌 Galeazzi Fracture–Dislocation

MSK MRI 2026. 2. 1. 08:33

https://youtu.be/l45A9QH-cok

https://youtube.com/shorts/3w0zWLzwFsQ

 

Definition
A fracture of the middle to distal third of the radial shaft associated with dislocation or subluxation of the distal radioulnar joint (DRUJ).
The fracture is obvious; the joint injury is frequently subtle and missed.

Plain Radiograph Checklist

  • AP view
  • True lateral view

After Reduction

  • Improved radial alignment does not ensure stability
  • Persistent DRUJ incongruity indicates an unstable Galeazzi injury, especially in adults

Role of CT and MRI

  • CT: confirms residual DRUJ malalignment and associated fractures
  • MRI: demonstrates TFCC disruption, explaining persistent instability

Take-Home Message
In forearm trauma, do not focus on the fracture alone.
A distal or mid-shaft radial fracture always raises one question:
Where is the ulna relative to the radius?

Missing the DRUJ injury is the critical diagnostic error in Galeazzi fracture–dislocation.


 

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