Wednesday, March 12, 2008
Cerebral arteriovenous malformation
Overview of cerebral arteriovenous malformations of the brain vascular malformation of the most common in the brain superficial or deep. Vascular malformations from artery and vein structure, sometimes incorporating aneurysm and venous tumor, Cerebral arteriovenous malformations are feeding artery and venous drainage, the size and shape of its diversity. More common in the frontal and parietal lobe, the other as temporal lobe, occipital lobe, the brain room, hypothalamus, cerebellum and brainstem also occurred. By the size of lesions : diameter "2.5cm for small, medium-scale 2.5~5cm, 5~7.5cm for large, "was 7.5 cm at large. Such arteriovenous malformations can also take place in Dural. Symptoms of idiopathic epilepsy with spontaneous intracerebral hemorrhage, which are incomplete paralysis of limbs, and in some cases have increased intracranial pressure, a similar brain tumor. more cerebral arteriovenous malformation, sometimes intracranial bleeding symptoms Cranioorbital auscultation vascular sometimes heard noises. Inspection head CT. The general location of the treatment of cerebral arteriovenous malformation, available surgical excision or micro - catheter Endovascular treatment. In the important functional area, location deep in the brain lesions or great, can be taken in digital subtraction artery embolization method to reduce abnormal vascular lesions in the blood supply, so that lesions to reduce or further surgery to remove or γ knife radiotherapy.
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