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Updated: May 11, 2026

The Third Channel-Assisted Unilateral Biportal Endoscopic Technique for Lumbar Spinal Stenosis Combined with Contralateral Disc Herniation
Published on: November 17, 2023
[A woman with a postoperative lumbar swelling]
Hanna M Hulshof1, Patric H J M Elsenburg, Stephan T F M Frequin
1St. Antonius Ziekenhuis, afd. Neurologie en Neurochirurgie, Nieuwegein, the Netherlands. hannamaihulshof@gmail.com
Abstract:
A 65-year-old woman had developed a large lumbar swelling in a period of four weeks following lumbar laminectomy. An MRI-scan revealed a large fluid collection, which had formed from the spinal canal. The diagnosis 'liquorcele', a rare complication of spine surgery, was established.
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