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A member asked:
Why would doctor order mra without contrast if he is ruling in or out cerebral aneurysm? isn't mra with and without contrast more accurate test?
A doctor has provided 1 answer
Angiograms: Mra use flow to determine vessel architecture or presence of abnormalities. The contrast is not needed. Contrast is not used in mr angiography.
Answered 1/30/2014
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