Presentation
Surgery for back pain.
Patient Data
Age: 80 years
Gender: Male
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/22395/annotated_viewer_json?iframe=true\u0026lang=us"}
L3/4 XLIF has been performed with normal alignment.
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/22394/annotated_viewer_json?iframe=true\u0026lang=us"}
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.