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skos:definition |
MEDLINEPLUS: <p>A brain <a href='http://www.nlm.nih.gov/medlineplus/aneurysms.html'>aneurysm</a> is an abnormal bulge or "ballooning" in the wall of an artery in the brain. They are sometimes called berry aneurysms because they are often the size of a small berry. Most brain aneurysms produce no symptoms until they become large, begin to leak blood, or rupture.</p><p>If a brain aneurysm presses on nerves in your brain, it can cause signs and symptoms. These can include:</p><ul><li> A droopy eyelid </li> <li> Double vision or other changes in vision </li> <li> Pain above or behind the eye </li> <li> A dilated pupil </li> <li> Numbness or weakness on one side of the face or body </li> </ul><p>Treatment depends on the size and location of the aneurysm, whether it is infected, and whether it has ruptured. If a brain aneurysm ruptures, symptoms can include a sudden, severe headache, nausea and vomiting, stiff neck, loss of consciousness, and signs of a stroke. Any of these symptoms require immediate medical attent
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