Vertebrobasilar insufficiency MRI

Vertebrobasilar insufficiency
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

MRI

MRI is more sensitive than CT to posterior circulation infarcts, particularly in the brainstem. The CE-MRA(Contrast-enhanced magnetic resonance angiography)had the highest sensitivity and specificity compared against the gold standard of intra-arterial angiography. CE-MRA offers better visualisation of the extracranial vertebral system than non-contrast MRA.