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Related Experiment Videos

Recurrent post-discectomy pain. CT--surgical correlation.

S A Kieffer1, G A Witwer, E D Cacayorin

  • 1Department of Radiology, State University of New York Health Science Center, Syracuse.

Acta Radiologica. Supplementum
|January 1, 1986
PubMed
Summary
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Postcontrast CT scans can reliably differentiate recurrent disc herniation from scar tissue after spinal surgery. This imaging technique aids surgeons in planning effective treatment for lumbosacral radiculopathy.

Area of Science:

  • Radiology
  • Neurosurgery
  • Orthopedic Surgery

Background:

  • Recurrent lumbosacral radiculopathy after lumbar surgery presents diagnostic challenges.
  • Differentiating scar tissue from recurrent disc herniation is crucial for treatment planning.

Purpose of the Study:

  • To evaluate the efficacy of postcontrast CT in distinguishing between scar tissue and recurrent disc herniation in patients with recurrent radiculopathy.
  • To correlate CT findings with intraoperative findings.

Main Methods:

  • A series of 13 patients with recurrent radiculopathy post-lumbar surgery were retrospectively analyzed.
  • Findings from postcontrast CT scans were compared with operative reexploration results.

Main Results:

Related Experiment Videos

  • Postcontrast CT showed variable enhancement in 5 patients, with scar tissue confirmed at surgery.
  • A discreet non-enhancing mass on postcontrast CT in 8 patients indicated recurrent disc herniation, confirmed operatively.

    • Conclusions:

    • Postcontrast CT demonstrates a strong positive correlation with operative findings.
    • This imaging modality appears reliable for preoperative differentiation of recurrent disc herniation from extradural scarring.