A member asked:

I've been having sharp pains in my head. had a mri that showed a possible brain aneurysm but they did not see the bump on the mra, what could be wrong?

3 doctors weighed in across 2 answers

Headache: There are plenty of benign reasons for headaches. The mra rules out (proves there isn't) an aneurysm almost perfectly. Keep looking for treatment, but you can safely stop worrying about aneurysms.

Answered 4/10/2021

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Dr. Michael Chen answered

Specializes in Neurology

MRA more definitive: If the mra is negative, you can probably be rest-assured that you don't have an aneurysm. A ct angiogram of the brain provides higher resolution. The MRI looks more at brain tissue so likely had indirect evidence for a possible brain aneurysm but the mra is a more direct brain vascular imaging study, the results of which would trump what the MRI suggested.

Answered 4/10/2021

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