Related Experiment Videos

[Magnetic resonance tomography (MRT) in the diagnosis of Failed Back Surgery Syndrome (FBSS)]

B Allgayer1, A Frank, D Daller

  • 1Institut für Röntgendiagnostik, Technische Universität München.

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|February 1, 1993
PubMed

Insights

Magnetic Resonance Tomography (MRT) accurately diagnoses recurrent lumbar disc prolapse in patients with failed back surgery syndrome (FBSS). Post-operative scar tissue and disc changes show prolonged contrast enhancement on MRT scans.

Area of Science:

  • Radiology
  • Neurosurgery
  • Orthopedic Surgery

Context:

  • Failed back surgery syndrome (FBSS) presents diagnostic challenges post-lumbar disc surgery.
  • Magnetic Resonance Tomography (MRT) is a key imaging modality in spinal diagnostics.
  • Evaluating post-operative changes requires distinguishing recurrent prolapse from scar tissue.

Purpose:

  • To assess the diagnostic accuracy of MRT for recurrent lumbar disc prolapse in FBSS patients.
  • To characterize MRT findings, including contrast enhancement patterns, in the post-operative spine.
  • To correlate MRT findings with surgical observations.

Summary:

  • MRT, utilizing 0.5 and 1.5 Tesla magnets, was performed on 150 FBSS patients up to 23 years post-lumbar disc surgery.
  • T1-weighted spin echo sequences with gadolinium contrast were employed.
  • MRT demonstrated high sensitivity (94%), specificity (100%), and accuracy (94%) in diagnosing recurrent prolapse.
  • Prolonged contrast uptake was observed in ventral epidural scar tissue, the disc, and adjacent vertebral bodies.

Impact:

  • Provides a highly accurate non-invasive method for diagnosing recurrent lumbar disc prolapse in FBSS.
  • Enhances understanding of post-operative spinal changes and their imaging characteristics.
  • Aids in surgical planning and patient management for persistent or recurrent symptoms after lumbar surgery.

Related Concept Videos