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The symptomatic incompetent cervical intervertebral disc.

J Vassilouthis1, A Kalovithouris, A Papandreou

  • 1Department of Neurosurgery, Army Veterans Administration Hospital (417 NIMTS), Athens, Greece.

Neurosurgery
|August 1, 1989
PubMed
Summary

Narrow cervical spinal canals can make even mild disc bulges clinically significant, causing nerve compression. Surgical removal of degenerated discs effectively relieved symptoms in most patients.

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Area of Science:

  • Neurosurgery
  • Spinal Cord Medicine
  • Neurology

Background:

  • Cervical disc bulging can cause neurological symptoms.
  • The role of spinal canal stenosis in disc-related pathology is not fully understood.
  • Assessing the clinical significance of mild disc protrusions requires advanced imaging.

Purpose of the Study:

  • To investigate the clinical significance of cervical disc bulging.
  • To determine the impact of a narrow spinal canal on disc protrusion.
  • To evaluate the efficacy of anterior cervical microdiscectomy.

Main Methods:

  • Retrospective analysis of 16 patients with cervical symptoms.
  • Neurological examinations of upper and lower extremities.
  • Positive contrast cervical myelography and computed tomographic myelography.

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  • Anterior cervical microdiscectomy for degenerated discs.

    • Main Results:

    • All patients showed mild disc bulging on myelography.
    • Computed tomographic myelography revealed narrow cervical spinal canals in all patients.
    • 12 patients had excellent outcomes, and 4 had good outcomes after surgery.
    • No cases of frank anulus rupture were identified.

    Conclusions:

    • Mild cervical disc incompetence can cause significant neurological deficits in the presence of a narrow spinal canal.
    • Anterior cervical microdiscectomy is an effective treatment for relieving symptoms caused by disc bulging and spinal canal stenosis.
    • Narrowing of the cervical spinal canal potentiates the compressive effects of intervertebral disc bulging.