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Arachnoiditis Extending Beyond Operative Site.

Matthew Tong1, Henry Tong2

  • 1Biomedical Engineering, University of Michigan, Ann Arbor, USA.

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|January 9, 2023
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Summary
This summary is machine-generated.

Lumbar epidural fibrosis, a complication of discectomy, can cause arachnoiditis. This case report details diffuse arachnoiditis cranial to the surgical site, leading to persistent pain.

Keywords:
arachnoiditisdiscectomylaminectomylumbar disc herniationlumbar disc herniation surgery

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Area of Science:

  • Neurosurgery
  • Spinal Surgery
  • Pain Management

Background:

  • Lumbar epidural fibrosis can develop post-discectomy, characterized by scar tissue formation.
  • This fibrosis may lead to arachnoiditis, affecting nerve roots and causing pain.
  • Lumbar arachnoiditis occurs in 6%-16% of lumbar postoperative surgeries.

Observation:

  • A 35-year-old male patient experienced persistent pain after a lumbar discectomy.
  • The patient developed arachnoiditis at multiple levels cranial to the laminectomy site.
  • This presentation is unusual, as arachnoiditis typically occurs at the surgical site.

Findings:

  • This case report presents the first instance of diffuse arachnoiditis causing residual pain after lumbar discectomy.
  • The arachnoiditis was observed cranial to the original surgical site, suggesting potential spread or a different mechanism.

Implications:

  • Highlights the potential for unexpected complications following lumbar discectomy.
  • Suggests the need for further investigation into the mechanisms and management of diffuse arachnoiditis.
  • Informs clinicians about the possibility of cranial arachnoiditis and associated persistent pain post-surgery.