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MRI vs. MRA

by NanaSusan, Jun 13, 2007 12:00AM
My doc ordered an MRA of the brain but the facility won't do that unless I have an MRI first.  Is there a recognized medical necessity for this?  
Member Comments (3)

by AMO, Jun 14, 2007 12:00AM
hi.
i am sure it depends what they are actually looking for. My understanding is mri shows tissue and nerves, where the mra is 'angiorgapgh' type picture of the vessels(large to mediium, it may not pick up the smallest ones so well) as the patient, they are the same that you just lay there, but maybe mri might want a small i.v. for contrast.
be welll, amo

by patsy10, Jun 14, 2007 12:00AM
I had them both done at the same time.

by NanaSusan, Jun 15, 2007 12:00AM
To: AMO and Patsy10
Thank you for you replies, that helped!
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