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Related Experiment Videos

Lumbosacral transitional vertebrae and nerve-root symptoms.

K Otani1, S Konno, S Kikuchi

  • 1Department of Orthopaedic Surgery, School of Medicine, Fukushima Medical University, Fukushima City, Japan.

The Journal of Bone and Joint Surgery. British Volume
|January 5, 2002
PubMed
Summary

Transitional vertebrae (TV) are linked to lumbar disc herniation and nerve-root symptoms. The symptomatic disc level is often located just above the TV in affected patients.

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Area of Science:

  • Orthopedics
  • Neurosurgery
  • Radiology

Background:

  • Transitional vertebrae (TV) are anatomical variations that may predispose individuals to lumbar disc herniation.
  • The specific impact of TV on the development of nerve-root symptoms remains unclear.
  • Understanding this relationship is crucial for diagnosing and managing spinal conditions.

Purpose of the Study:

  • To investigate the association between transitional vertebrae and lumbar disc herniation.
  • To determine if the presence of TV influences the occurrence of nerve-root symptoms.
  • To identify the symptomatic disc level relative to TV in patients with lumbar degenerative disease.

Main Methods:

  • Retrospective study of 501 patients with lumbar degenerative disease and nerve-root symptoms.

Related Experiment Videos

  • Analysis of TV presence and level in symptomatic patients.
  • Comparison with a control group of 508 asymptomatic individuals to establish TV incidence.
  • Correlation of symptomatic disc level with TV location.

    • Main Results:

    • The incidence of TV was statistically higher in patients with lumbar disc herniation compared to controls.
    • Patients with TV and disc herniation were younger on average than those without TV.
    • The symptomatic disc level was most frequently located directly above the transitional vertebra.
    • This pattern was also observed in patients with spinal stenosis without spondylolisthesis.

    Conclusions:

    • Transitional vertebrae are associated with an increased risk of lumbar disc herniation.
    • TV may contribute to the development of nerve-root symptoms, often at the disc level immediately superior to the TV.
    • Identifying TV is important for understanding the etiology of nerve-root compression in lumbar degenerative disease.