The daily educational pearl – spinal fractures

Spinal fractures – stable or unstable?

The 3 column theory of Denis

Column 1: anterior 75% of vertebral bodies

Column 2: posterior 25% of vertebral bodies, facet joints, pedicles + transverse processes

Column 3: spinous processes

 

An injury involving 2 or 3 columns is unstable.

 

 

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