Brain arteriovenous malformations (BAVMs) are abnormal artery–vein connections that are formed through a nidus, without interposing capillaries. A study involving 3299 patients with BAVMs reported that the most common initial presentation was hemorrhage (58 %), followed by seizures (21 %), chronic headache (15 %), and focal neurological deficits (5 %); in some cases, incidental findings led to the diagnosis of BAVMs (1 %).[1] BAVMs are treated using multimodal approaches, such as microsurgery, e…