Cerebral arteriovenous malformation

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Cerebral arteriovenous malformation

Synonyms: Intracranial arteriovenous malformation

Cerebral arteriovenous malformation (AVM) is a congenital malformative communication between the veins and the arteries in the brain in the form of a nidus an anatomical structure composed of dilated and tangled supplying arterioles and drainage veins with no intervening capillary bed that can be asymptomatic or cause depending on the location and the size of the AVM headaches of varying severity generalized or focal seizures focalneurological defects (weakness numbness speech difficulties vision loss) or potentially fatal intracranial hemorrhage in case the AVM ruptures.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.

Reference: Access aggregated data from Orphanet at Orphadata.

Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version February 2024

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