A 43-year-old male asked:
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mri said: "prominent epidural vessel traverses right posterolateral epidural space from c3 to c6, & exits spinal canal through the right c6-7 neuroforamen". is this serious? risks? means i have avm?

3 doctor answers
Dr. Mohammad Shahzad
Specializes in Internal Medicine
No: Abnormal but not serious
Answered on Jul 21, 2014
Dr. Adam Lewis
34 years experience Neurosurgery
Spinal AVM: Not certain. An MRI or MRA is a screening study. A spinal angiogram is a definitive imaging study for a spinal AVM or a dural fistula. Usually there is swelling or edema in the spinal cord too. See a neurosurgeon who specializes in cerebrovascular disease.
Answered on Feb 16, 2017
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2 thanks
Dr. John Barbuto
Specializes in Neurology
Difficult, good Q.: Since you have TOS (vascular variety?) I wonder if this anomalous vein is the result of collateral circulation. If so, then not technically AVM (meaning pathology of the vessel). Do your TOS studies show that your subclavian vessels are not normal? Have your doctor discuss with the radiologist (unless your doctor is already the expert on vascular anomalies). As for what to do, depends on these
Answered on Sep 28, 2014
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