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Degenerative Disc Disease ll: Pathophysiology01:23

Degenerative Disc Disease ll: Pathophysiology

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Updated: Jun 28, 2026

Full-Endoscopic Isolation Zone Technique for the Treatment of Lumbar Disc Herniation
05:42

Full-Endoscopic Isolation Zone Technique for the Treatment of Lumbar Disc Herniation

Published on: April 7, 2023

Resolving discogenic pain.

Kazuhisa Takahashi1, Yasuchika Aoki, Seiji Ohtori

  • 1Department of Orthopedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuoku, Chiba, Chiba, 260-8677, Japan. 19501114@faculty.chiba-u.jp

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
|November 14, 2008
PubMed
Summary
This summary is machine-generated.

Recent research reveals that nerve ingrowth into the lumbar intervertebral disc, potentially causing pain, can be influenced by factors like nucleus pulposus exposure. Lumbar fusion may reduce this nerve ingrowth and associated inflammation.

Related Experiment Videos

Last Updated: Jun 28, 2026

Full-Endoscopic Isolation Zone Technique for the Treatment of Lumbar Disc Herniation
05:42

Full-Endoscopic Isolation Zone Technique for the Treatment of Lumbar Disc Herniation

Published on: April 7, 2023

Area of Science:

  • Basic science research
  • Neuroscience
  • Orthopedics

Background:

  • Discogenic low back pain is a significant clinical issue.
  • Understanding the innervation of the intervertebral disc is crucial for pain management.

Purpose of the Study:

  • To review recent findings on the innervation of the rat lumbar intervertebral disc.
  • To explore the mechanisms of nerve ingrowth and its relation to pain.

Main Methods:

  • Review of basic science studies on rat lumbar intervertebral discs.
  • Analysis of nerve pathways including paravertebral sympathetic and sinuvertebral nerves.
  • Investigation of nerve growth factor (NGF) and calcitonin gene-related peptide (CGRP) roles.

Main Results:

  • The rat lumbar intervertebral disc is innervated segmentally and non-segmentally.
  • Exposure of nucleus pulposus (NP) to annulus fibrosus (AF) may induce nerve injury and ingrowth.
  • NGF-sensitive neurons are prevalent, suggesting inflammation-induced hyperalgesia.
  • NGF in NP may promote axonal growth.
  • Lumbar fusion may inhibit disc nerve ingrowth and reduce CGRP-positive neurons.

Conclusions:

  • The intervertebral disc possesses complex innervation pathways.
  • Mechanisms involving NP exposure, NGF, and inflammation contribute to discogenic pain.
  • Lumbar fusion shows potential in mitigating disc innervation and associated pain signaling.