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Related Concept Videos

Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...
Degenerative Disc Disease I: Introduction01:27

Degenerative Disc Disease I: Introduction

Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...
Degenerative Disc Disease ll: Pathophysiology01:23

Degenerative Disc Disease ll: Pathophysiology

The symptoms of degenerative disc disease arise from a combination of mechanical compression, vascular compromise, and biochemical inflammation, which together disrupt nerve function and produce pain.Mechanical CompressionDisc degeneration reduces height and elasticity, predisposing to herniation of the nucleus pulposus, a major cause of radicular pain. Herniations may be protrusion (bulging with intact annulus), extrusion (nucleus extends beyond disc but remains connected), or sequestration...

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Related Experiment Video

Updated: Jun 21, 2026

Transtubular Endoscopic Posterolateral Decompression for L5-S1 Lumbar Lateral Disc Herniation
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Herniating Intradural Disc at Lumbar L4-L5 Level: A Case Report.

Farrukh Javeed1, Javeria Khan1, Lal Rehman1

  • 1Neurosurgery, Jinnah Postgraduate Medical Centre, Karachi, PAK.

Cureus
|March 21, 2023
PubMed
Summary

Intradural lumbar disc herniation is a rare condition. Early diagnosis through advanced imaging can improve surgical outcomes for patients with lumbar disc prolapse.

Keywords:
disc herniationdiscectomyintervertebral discintervertebral disc diseaseintradural disc herniation

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Area of Science:

  • Neurosurgery
  • Orthopedics
  • Radiology

Background:

  • Intervertebral disc prolapse is common in neurosurgery.
  • Intradural lumbar disc herniation is an exceptionally rare complication.

Observation:

  • A 30-year-old male presented with chronic lower back pain radiating to the right leg, following weight lifting.
  • No motor or sensory deficits were reported.
  • MRI revealed lumbar L4-L5 disc prolapse.

Findings:

  • The patient underwent laminectomy and intradural discectomy for the L4-L5 herniated disc.
  • Post-operative recovery was uneventful, with no neurological deficits.
  • Intradural disc herniation was confirmed during surgery.

Implications:

  • This case highlights the importance of considering rare pathologies.
  • Thorough radiological examination is crucial for pre-operative diagnosis of intradural lumbar disc herniation.
  • Accurate diagnosis can lead to successful surgical management and improved patient outcomes.