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Discs degenerate before facets.

D Butler1, J H Trafimow, G B Andersson

  • 1Department of Orthopedics, Rush-Presbyterian-St. Luke's Medical Center, Chicago, Illinois.

Spine
|February 1, 1990
PubMed
Summary
This summary is machine-generated.

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Disc degeneration often precedes facet joint osteoarthritis. Facet joint osteoarthritis typically occurs only when disc degeneration is already present, suggesting a sequential relationship in spinal degeneration.

Area of Science:

  • Orthopedics
  • Radiology
  • Spinal Imaging

Background:

  • Facet joint osteoarthritis and disc degeneration are common spinal conditions.
  • The chronological relationship between these two conditions is not fully understood.

Purpose of the Study:

  • To investigate the relationship between facet joint osteoarthritis and disc degeneration.
  • To determine if disc degeneration precedes facet joint osteoarthritis.

Main Methods:

  • Retrospective analysis of 68 MRI and CT scan sets.
  • Evaluation of 330 discs for degeneration and 390 facet joints for osteoarthritis.
  • Correlation of findings with patient age and spinal level.

Main Results:

  • Disc degeneration was observed in 108 levels without facet osteoarthritis.

Related Experiment Videos

  • Facet osteoarthritis was present in 40 out of 41 levels that also showed disc degeneration.
  • Both conditions increased with age and were more prevalent at lower lumbar levels (L4-5, L5-S1).

    • Conclusions:

    • Disc degeneration appears to occur before facet joint osteoarthritis.
    • Facet joint osteoarthritis may develop secondary to altered biomechanical loading from disc degeneration.
    • Age and lumbar level are significant factors in the progression of both conditions.