Presentation
Recurrent bilateral sciatica. History of lumbar spine surgery.
Patient Data
Age: 65 years
Gender: Female
From the case:
Adhesive arachnoiditis - empty thecal sac sign
{"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/25987/annotated_viewer_json?_c=1701503330\u0026lang=us"}
The prior operation was obviously performed at the L5/S1 level. Here and caudally, the thecal sac appears devoid of its cauda roots.
Case Discussion
This is considered as a sign of (prior) adhesive arachnoiditis with adhesions developing between nerve roots and the parietal arachnoid.
Unable to process the form. Check for errors and try again.