title: Arteriovenous malformations.
abstract: Cerebral AVM's consist of an abnormally large connection between the arterial and the venous systems resulting in a wide variety of configurations, which are grossly subdivided into five types. Emphasis is given to the basic surgical principles of first understanding the nature of the lesion; second, having a thorough preoperative awareness of the vascular architecture from stereo angiography; and third, using standard, common sense, surgical maneuvers followed most importantly by intraoperative assurance of the complete removal by repeat serial angiography.
mesh_terms: D002196:Capillaries / Q000473:pathology; D002533:Cerebral Angiography / Q000295:instrumentation; D002536:Cerebral Arteries / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000473:pathology / Q000601:surgery*; D013238:Stereotaxic Techniques