Dumont AS, Lanzino G, Sheehan JP. Brain Arteriovenous Malformations and Arteriovenous Fistulas. Thieme; 2017; 296 pp; 152 ill; $169.99 In the world of cerebrovascular neurosurgery, few pathologies are as misunderstood as brain arteriovenous malformations (AVMs) and dural arteriovenous fistulae (dAVFs). Significantly