Lumbar spine MRI

Normal and herniated disc

Image courtesy of Intermountain Medical Imaging, Boise, Idaho. All rights reserved.

A side view of the lumbar spine shows normal discs, spinal canal, and nerve roots (see figure 1). Nerve roots normally float in the fluid-filled canal. Figure 2 shows a small herniated disc pushing into the canal toward nerve roots.

Last Updated: February 3, 2010

Author: Shannon Erstad, MBA/MPH

Medical Review: William M. Green, MD - Emergency Medicine & Robert B. Keller, MD - Orthopedics

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