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  • Aneurism: When should an aneurism be operated on?
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Aneurism: When should an aneurism be operated on?

Nobl Barazangi

Nobl Barazangi, M.D., Ph.D.

California Pacific Medical Center

Sutter Pacific Medical Foundation

Sutter Lakeside Hospital

Sutter Delta Medical Center

Sutter Santa Rosa Regional Hospital

Novato Community Hospital

Question:

Two years ago I was diagnosed with a 4mm brain aneurism. My doctor told me that surgery is not performed until the aneurism is at least 7mm. I have an MRI every year and the size has not changed. Should I be concerned and doing something more?

Answer:

In general, the risk of bleeding from a 4mm aneurysm is less than a larger (7mm) aneurysm; however the risk may vary depending on the location, morphology, and other characteristics of the aneurysm.

Therefore, I would recommend that you follow up with a vascular neurologist (or vascular neurosurgeon and/or neurointerventionalist) to evaluate the MRI images, your medical history, and other factors to help you decide the best plan of care.

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