Are brain aneurysms hereditary?
If you have an immediate family member who had an brain aneurysm, what is the likelihood of having one myself?
The likelihood of you having a brain aneurysm if one of your family members has one is rare, unless the aneurysm is caused by a hereditary disorder like polycystic kidney disease. Current recommendations state that if two or more family members (first degree relatives) have a aneurysm, then other family members should get screened with an MRI.
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