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The accuracy of MRI in the detection of Lumbar Disc Containment by Bradley K Weiner; Rikin Patel is a Medicine article available to read on EtoBox.

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## Background MRI has proven to be an extremely valuable tool in the assessment of normal and pathological spinal anatomy. Accordingly, it is commonly used to assess containment of discal material by the outer fibers of the anulus fibrosus and posterior longitudinal ligaments. Determination of such containment is important to determine candidacy for intradiscal techniques and has prognostic significance. The accuracy of MRI in detecting containment has been insufficiently documented. ## Methods The MRI's of fifty consecutive patients undergoing open lumbar microdiscectomy were prospectively evaluated for disc containment by a neuroradiologist and senior spinal surgeon using criteria available in the literature and the classification of Macnab/McCulloch. An independent surgeon then performed the surgery and documented the actual containment status using the same methods. Statistical evaluation of accuracy was undertaken. ## Results MRI was found to be 72% sensitive, 68% specific, and 70% accurate in detecting containment status of lumbar herniated discs. ## Conclusion MRI may be inaccurate in assessing containment status of lumbar disc herniations in 30% of cases. Given the importan

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Author

Bradley K Weiner; Rikin Patel

Publisher

BioMed Central; Springer (Biomed Central Ltd.); London: BioMed Central, 2006-; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 1749-799X)

Published

2008

Language

EN

Field

Medicine (Health Sciences)