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Doctor insights on: Describe The Features Of A Brain Arteriovenous Malformation

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Describe the features of a brain arteriovenous malformation.?

Describe the features of a brain arteriovenous malformation.?

Often none: Unless it leaks, there would be no symptoms in most cases. Leaking can cause intense headache or stroke-like symptoms such as focal weakness, loss of speech or vision. Avm discovered after a minor stroke can be corrected before a major stroke. Family history of avm may prompt investigation in someone with no symptoms. ...Read more

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Cerebrum (Definition)

Cerebrum essentially refers to the majority of the brain. Embryologically, it develops from the telencephalon, and together with the diencephalon, ...Read more


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How serious is a brain arteriovenous malformation? Does it depend on size or site?

How serious is a brain arteriovenous malformation?  Does it depend on size or site?

Depends: It can be deadly serious or incidental - depending on the type and location. You should see a neurosurgeon to determine which one you have and what it needs for treatment. ...Read more

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I'm wondering how serious is brain arteriovenous malformation?

I'm wondering how serious is brain arteriovenous malformation?

Bleed risk: The overall risks of bleeding are 3-4% yearly. Each bleed episode carries a 25% risk of mortality. Overall risk of dying is therefore 1% yearly. ...Read more

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How do arteriovenous malformations damage the brain and spinal cord?

How do arteriovenous malformations damage the brain and spinal cord?

Hemorrhage: Most of the damage of an arteriovenous malformation occurs when the blood vessel or vessels are spontaneously ruptured and bleed into the brain, causing pressure and damage to the brain. The same can occur with an av malformation in the brain stem or spine. ...Read more

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What can you do if you have an arteriovenous malformations?

Treatment: Depending on the size and location, treatment cold be from nothing to resection, emboli satin, gamma knife radiation. ...Read more

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I have a question about arteriovenous malformations; are they birth defects or hereditary?

I have a question about arteriovenous malformations; are they birth defects or hereditary?

Can be either: They can be either spontaneous or they can be inherited. Sometimes entire families are effected by certain vascular malformations. ...Read more

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What is the treatment for for arteriovenous malformations (avm) of the brain?

What is the treatment for for arteriovenous malformations (avm) of the brain?

Several types : Depending on the size, location, and particular anatomy of the avm, treatments could include: embolization, radiosurgery, open brain surgery, or a combination of these treatments. ...Read more

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How do you detect arteriovenous malformations?

Where?: Arteriovenous malformations are also common in the digestive tract especially in patients with chronic renal failure (found during endoscopies). They also may be present in the lungs.Vascular surgeons may produce artificial av fistulas for the purpose of hemodialysis. Theoretically angiography by ct or mra should find them. ...Read more

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What are the tests for arteriovenous malformations?

CT, MRI, Angiogram: An arteriovenous malformation(avm) of the brain is an abnormal connection between the arteries and the veins that leads to a "tangle of blood vessels". These can be found on a ct scan with contrast. Another way to detect these is with an MRI or mra of the brain. The best and final test is a cerebral angiogram. This is a test in which contrast dye is injected into the actual blood vessels. ...Read more

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What are the symptoms of arteriovenous malformations?

What are the symptoms of arteriovenous malformations?

Swelling: Usually swelling of the involved limb due to venous engorgement. Can also have limb deformity and length descrepency. Varicose veins can also be present. Best diagnostic test is MRI of effected area. ...Read more

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Dr. Jefferson Chen
159 doctors shared insights

Arteriovenous Malformation (Definition)

Is an abnormal connection and proliferation of the connection ...Read more