Intracranial arteriovenous malformation

If my sister had an arteriovenous malformation, what are the chances that I have this condition?

While it is possible that having a first degree relative with a brain arteriovenous malformation (AVM) affects your risk for an AVM, this risk is likely very small. Currently the cause of brain AVM's is not known. Likewise, the role specific genes and/or environmental factors play in the development of these malformations is not known. There have been rare reports of brain AVMs occurring in more than one member of the same family. It is not known whether or not these cases were coincidental.

If a relative has more than one AVM, or a history of nose bleeds (or more serious hemorrhage), telangiectasias, and iron deficiency anemia, a diagnosis of the rare genetic syndrome hereditary hemorrhagic telangiectasia (HHT) should be considered. Relatives risk for HHT can be as high as 50% or 1 in 2, however risk for serious events, like stroke, will vary.

Last updated on 05-01-20

Is nocturnal numbness in the arms a sign of arteriovenous malformation?

While numbness in any part of the body can be a sign of an AVM, we were unable to find information regrading numbness in the arms at night (or while lying down) specifically related to arteriovenous malformation. We recommend that you work with your healthcare providers in determining the cause of your numbness.

Last updated on 05-01-20

Name: AVM Survivors' Network Url: https://www.avmsurvivors.org/
Name: The Aneurysm and AVM Foundation TAAF 3636 Castro Valley Blvd, Suite 3
Castro Valley, CA, 94546,
Phone: (510) 464-4540 Fax : (510) 464-4540 Email: info@taafonline.org Url: https://taafonline.org/

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