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Related Experiment Video

Updated: Jun 25, 2026

Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF
08:34

Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF

Published on: October 17, 2025

Endoscopic spinal tethered cord release: operative technique.

Xiao Di1

  • 1Department of Neurological Surgery, Neurological Institute, Cleveland Clinic, 9,500 Euclid Avenue, S90, Cleveland, OH 44195, USA. dix@ccf.org

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|February 13, 2009
PubMed
Summary

This study introduces a minimally invasive endoscopic technique for spinal cord untethering by sectioning the filum terminale. The novel approach offers significant symptom improvement with reduced injury and faster recovery.

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Area of Science:

  • Neurosurgery
  • Minimally Invasive Surgery
  • Spinal Cord Pathology

Background:

  • Tethered spinal cord syndrome is a debilitating condition.
  • Traditional open surgery carries risks of significant tissue damage and prolonged recovery.

Purpose of the Study:

  • To describe a novel, solely endoscopic surgical technique for spinal cord untethering.
  • To evaluate the efficacy and safety of endoscopic filum sectioning.

Main Methods:

  • Two patients with symptomatic tethered cords underwent endoscopic filum terminale sectioning via hemilaminectomy.
  • Intradural microdissection and electromyographic monitoring were used for precise filum identification and sectioning.

Main Results:

  • Both patients experienced significant improvement in neurological symptoms, including leg weakness and bowel/bladder dysfunction.

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Last Updated: Jun 25, 2026

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  • One patient showed resolution of abnormal urodynamics and Chiari symptoms post-procedure.

    • Conclusions:

    • Endoscopic spinal cord untethering is a safe and effective alternative to open surgery.
    • This technique offers benefits such as reduced pain, minimal blood loss, smaller incisions, and shorter hospital stays.