Cerebral hemangioma

Cerebral arteriovenous malformation (AVM) is one of the most common malformations caused by abnormal cerebral blood vessels. Occupy more than 90% of cerebral vascular malformations. Malformed blood vessels are made up of arteries and veins. Some include aneurysms and venous aneurysms. Cerebral arteriovenous malformations have blood-supplying arteries and drainage veins. They are various in size and shape. The disease can occur in any part of the brain, and the distribution of left and right sides of the lesion is basically equal. More than 90% are located in the cerebellum, and most of them are located in the cerebral cortex, accounting for about 70% of the lesions on the screen. Among them, the parietal, frontal and temporal lobes are more common, and the occipital lobes are slightly less.

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