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A member asked:
Can a mri fail to see a compressed nerve causing sciatica with pain in lower back and weakness in leg(s)?
A doctor has provided 1 answer
MRI not perfect: MRI is fairly good at finding structural compression but it is not perfect. Sometimes very small compressions generate large symptoms. Some compressions are dynamic and change over time and can be missed. Yet, if the MRI is completely normal, I would look at other causes of leg weakness.
Answered 1/25/2018
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