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Transdural lumbar disc herniation

E G Reina1, E R Calonge, R P Heriot

  • 1Spinal Surgery Section, National Rehabilitation Institute, Buenos Aires, Argentina.

Spine
|March 1, 1994
PubMed
Summary
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This case report details a rare transdural lumbar disc herniation, where disc material extended through the dura mater. This unusual herniation caused significant neurological damage, exceeding that of typical intradural cases.

Area of Science:

  • Neurosurgery
  • Spinal Surgery
  • Neurology

Background:

  • Lumbar disc herniation is common, typically remaining confined within the spinal canal.
  • Intradural disc herniations, where disc material breaches the dura mater, are rare but documented.
  • Transdural lumbar disc herniation represents a unique pathological entity extending beyond the dura.

Observation:

  • A patient presented with symptoms consistent with lumbar disc herniation.
  • Imaging and surgical findings revealed the nucleus pulposus had traversed the dura mater anteriorly and posteriorly.
  • The herniated disc material volume was notably large.

Findings:

  • The patient exhibited significant neurological deficits, correlating with the extensive herniation.
  • Histopathological analysis confirmed the transdural nature of the disc extrusion.

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  • This represents the first reported case of transdural lumbar disc herniation in the literature.

    • Implications:

    • Transdural lumbar disc herniation can cause severe neurological damage due to the extensive extrusion of disc material.
    • This case expands the understanding of lumbar disc herniation pathology and its potential trajectories.
    • Further research is warranted to understand the mechanisms and long-term outcomes of this rare condition.