Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Arteriovenous Malformations and Other Vascular Lesions of the Central Nervous System Fact Sheet Fact sheet about arteriovenous malformations (AVMs), defects of the circulatory system that are "comprised of snarled tangles of arteries and veins. ... AVMs can develop in many different sites, those located in the brain or spinal cord ... can have especially widespread effects on the body." Includes discussion of symptoms, health consequences, detection, and treatment (such as brain surgery). From the National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/avms/detail_avms.htm Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *