A member asked:

I had anterior cervical discectomy with fusion and plates at c5-c7. my current mri looks like one of the screws is pulling on spinal cord this possibl?

A doctor has provided 1 answer
Dr. Michael Gabor answered

Specializes in Diagnostic Radiology

Artifact: Impossible to say for certain without the images, but metallic objects like screws cause a magnetic susceptibility or "bloom" artifact which obscures or distorts adjacent anatomy. It is not real, it is an artifact due to the interaction of the magnetic field with the screw. This commonly causes the thecal sac/cord to look distorted on MRI.

Answered 8/17/2017

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