Presentation
Surgery for back pain.
Patient Data
Age: 80 years
Gender: Male
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L3/4 XLIF has been performed with normal alignment.
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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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