A finding no focal intracranial saccular aneurysm seen although aneurysms 3mm or less may not be detected by mra?

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It means that they couldn't find any saccular aneursyms.

But since aneursyms 3mm or less sometimes can't be seen on an MRA, they can occasionally be missed when they are that tiny. However, if you're going in for a specific problem (such as headaches), an aneursym would most likely be larger or leaking. If an aneurysm were leaking - they would have seen it on a regular MRI.

First answer by Celticfife. Last edit by Celticfife. Contributor trust: 81 [recommend contributor]. Question popularity: 3 [recommend question]