Intracranial arteriovenous malformations
- PMID: 25465120
- DOI: 10.1016/j.diii.2014.10.004
Intracranial arteriovenous malformations
Abstract
Intracranial arteriovenous malformations (AVM) are rare lesions that are often discovered fortuitously. They should be identified on CT scan and MRI before resorting to angiography; the latter is used to prepare the treatment. This article describes the various types of subpial or dural AVM and the specific characteristics that enable their differentiation with non-invasive imaging. The factors that determine the severity of these lesions, whether discovered before or after a haemorrhage, are described, as well as prognostic indicators.
Keywords: CT angiography; Cerebral arteriovenous malformation; Dural arteriovenous malformation; MRA (magnetic resonance angiography).
Copyright © 2014 Éditions françaises de radiologie. Published by Elsevier Masson SAS. All rights reserved.
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