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Line 21: Luschka and Virchow first described arteriovenous malformations in the mid 1800s. Olivecrona performed the first surgical excision of an intracranial AVM in 1932. ==Definition== AVMs are lesions of the vasculature that develop such that blood flows directly from the arterial system to the venous system without passing through a capillary system. == Signs and symptoms ==

Arteriovenous malformation: Difference between revisions