Magnetic resonance imaging and discography in the diagnosis of disc degeneration. A comparative study of 50 discs.

  • 1 May 1986
    • journal article
    • research article
    • Vol. 68  (3) , 369-73
Abstract
The lumbar spines of 22 patients were examined for disc degeneration by magnetic resonance imaging (MRI) and by discography. The results from 50 intervertebral discs visualised by both techniques were independently assessed and graded on a five-point scale from normality to gross degeneration and then compared. In 44 discs the results agreed. Of the six discs which gave differing results, four discrepancies were due to observer error and two to incorrect placement of the discographic needle. MRI was shown to be more accurate than discography in the diagnosis of disc degeneration. It has several major advantages, which should make it the investigation of choice.

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