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Related Experiment Videos

[Relation of bulging disc and herniated disc]

M Lou1, Y Wang, Y Xu

  • 1Department of CT, Longgang No2 Hospital, Shenzhen.

Zhonghua Yi Xue Za Zhi
|August 1, 1995
PubMed
Summary

Degenerative changes in lumbar discs can present as bulging discs with tears in the annulus fibrosus. A novel finding is the "bulging and herniated disc," challenging previous beliefs about disc degeneration.

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Area of Science:

  • Spine Surgery
  • Orthopedics
  • Radiology

Background:

  • Intervertebral disc degeneration is a common cause of low back pain.
  • Bulging discs and herniated discs are distinct pathologies within disc degeneration.
  • The relationship between bulging and herniated discs requires further clarification.

Purpose of the Study:

  • To investigate the histological characteristics of lumbar bulging discs.
  • To explore the clinical presentation and relationship of combined bulging and herniated discs.
  • To re-evaluate the understanding of disc herniation development in degenerated discs.

Main Methods:

  • Computed tomography (CT) and histological examination of 15 lumbar bulging discs from 23 cadavers.
  • Analysis of 386 degenerating lumbar disc lesions.
  • Clinical observation of disc pathologies.

Main Results:

  • Histological analysis revealed transverse, concentric, and radial tears in the annulus fibrosus of bulging discs.
  • Clinical findings showed the coexistence of bulging and herniation in some degenerated discs, termed 'bulging and herniated discs'.
  • The study identified a new classification of disc pathology: the bulging and herniated disc.

Conclusions:

  • Lumbar bulging discs exhibit annular tears, indicating degenerative changes.
  • The 'bulging and herniated disc' represents a distinct entity in disc degeneration.
  • This finding challenges the established view that herniation does not occur in bulging discs, suggesting a continuum of degenerative disease.

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