XLIF subsidence

Case contributed by A.Prof Frank Gaillard


Surgery for back pain.

Patient Data

Age: 80 years
Gender: Male

Postoperative CT

L3/4 XLIF has been performed with normal alignment.  


Followup CT 6 months later

The spacer cage has subsided into the L4 vertebral body with ~12mm loss of height. Bilateral neural exit formaminal stenosis is present. There is retropulsion of upper aspect of L4 contributing to moderate - severe canal stenosis. 

Case Discussion

This case illustrates one of the potential complications of spinal fusion with intervertebral spacer cages. 

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Case information

rID: 22370
Published: 28th Mar 2013
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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