Large disc extrusion with postoperative pseudomeningocoele

Case contributed by Frank Gaillard
Diagnosis certain


Low back pain.

Patient Data

Age: Adult
  • Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

Large extruded disc at LV/S1 level, encroaching upon thecal sac and cauda equina nerve roots with secondary spinal canal stenosis. 

Lower lumbar spondylodegenerative changes are seen, manifested as decreased height and hydration signal of intervertebral discs.

Post-operative examination


L5 laminectomy is seen with decompressed spinal canal and removal of the herniated disc part at L5/S1 level. It shows related subcutaneous collection with low T1 signal and high T2 signal communicating with no dural lining and no postcontrast enhancement, suggestive of postoperative pseudomeningocoele.

Case Discussion

Large disc extrusion with postoperative pseudomeningocoele.

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