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A Proinflammatory, Degenerative Organ Culture Model to Simulate Early-Stage Intervertebral Disc Disease.
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[Correlation of degenerative intervertebral disk displacement using MRI with discography findings in patients with

B Böhm1, H Meinig, A Eckardt

  • 1Orthopädische Klinik, Johannes-Gutenberg-Universität Mainz. bertramboehm@web.de

Der Orthopade
|August 13, 2005
PubMed
Abstract

Insights

Magnetic Resonance Imaging (MRI) can overstate degenerative changes. A high-intensity zone (HIZ) on MRI is common in lower back pain, particularly after surgery, but discography helps identify true pain generators.

Area of Science:

  • Spine surgery
  • Radiology
  • Pain management

Background:

  • Magnetic Resonance Imaging (MRI) can be overly sensitive in detecting degenerative changes, often showing pathology unrelated to patient symptoms.
  • Distinguishing between true pain generators and incidental findings on MRI is a clinical challenge for lower back pain.

Purpose of the Study:

  • To investigate the correlation between MRI findings, specifically the high-intensity zone (HIZ), and discography results in patients with lower back pain.
  • To evaluate the diagnostic utility of HIZ in identifying painful discs, especially in post-surgical cases.

Main Methods:

  • Retrospective analysis of MRI scans and discography results from 23 patients with lower back pain.
  • MRI utilized 1.0 and 1.5 Tesla devices with T1-weighted and T2-weighted sagittal and transverse imaging sequences.

Main Results:

  • A high-intensity zone (HIZ) was detected on MRI in 16 out of 35 degenerated discs.
  • The HIZ detection rate was significantly higher in operated spinal segments (81.8%) compared to unoperated segments (29.2%).

Conclusions:

  • High-intensity zone (HIZ) is a frequent MRI finding in lower back pain patients, with a higher prevalence in surgically treated discs.
  • Discography remains crucial for differentiating painful from non-painful discs.
  • Incorporating parameters like contrast mean volume and pain characteristics during puncture can improve the accuracy of discography and reduce false positives.

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