Case 8 : Imaging question 3

CASE 8: Explanation of Imaging Findings

CASE 8

An MRI of the lumbar spine was performed without contrast. 2 select images are shown.

Questions

1. How do you number the spine?

2. Where is the abnormality located?

3. Describe the abnormalities using appropriate terminology.

There is disk height loss at L4-L5 with associated disk dehydration. Notice how the disk has lost its normal water content (not as bright on T2) when compared to the normal levels above and below L4-L5. The disk material has herniated outside of the margins of the annulus fibrosis and is now causing compression of the cauda equina nerve roots.

4. What is your imaging differential diagnosis for the imaging findings?

5. Is contrast needed for this case?

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