Definition: Basilar aneurysm is a condition in which the blood vessels in the brain, called the basal ganglia, become inflamed and swollen. This can occur when there's a blockage or narrowing of the blood vessels that supply oxygen to the brain. The symptoms of basilar aneurysm include pain, numbness, weakness, and difficulty speaking or seeing. It's important to seek medical attention immediately if you experience any of these symptoms as they can be life-threatening.
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