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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