Depends: Spine MRI can be done without contrast because disks and soft tissues can be distinguished from the nerves and bones. We order MRI with and without contrast in patients with previous back surgery to distinguish scar tissue (which changes signal intensity on the MRI with the contrast) from disk material (which doesn't). We also order contrast if there is concern for possible infection or tumors.
Answered 8/28/2018
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A doctor has provided 1 answer
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