• Neuroimaging Clin. N. Am. · May 2021

    Review

    Brain Arteriovenous Malformations: The Role of Imaging in Treatment Planning and Monitoring Response.

    • Will Guest and Timo Krings.
    • Department of Neuroradiology, University of Toronto, Toronto Western Hospital, 399 Bathurst Street, Toronto, Ontario M5T 2S8, Canada.
    • Neuroimaging Clin. N. Am. 2021 May 1; 31 (2): 205-222.

    AbstractBrain arteriovenous malformations (AVMs) are characterized by shunting between pial arteries and cortical or deep veins, with the presence of an intervening nidus of tortuous blood vessels. These lesions present a therapeutic challenge, because their natural history entails a risk of intracranial hemorrhage, but treatment may cause significant morbidity. In this article, imaging features of AVMs on MR imaging and catheter angiography are reviewed to stratify the risk of hemorrhage and guide appropriate management. The angioarchitecture of AVMs may evolve over time, spontaneously or in response to treatment, necessitating ongoing imaging surveillance.Copyright © 2021 Elsevier Inc. All rights reserved.

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