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Fig. 4 | BMC Neurology

Fig. 4

From: Brain arteriovenous malformations of the middle cerebral artery region: image characteristics and endovascular treatment based on a new classification system

Fig. 4

EVT targeting weak structures of BAVMs. A CT shows subarachnoid hemorrhage (asterisks) in the left Sylvian fissure. B Three-dimensional reconstruction angiogram of the left ICA shows that the BAVM is supplied by the M3 segment with aneurysmal structures (forks) and a venous dilation (arrowhead). C Roadmap navigation angiogram shows the microcatheter (arrow) accessed to the BAVM. D Unsubtracted angiogram of the left ICA showing Onyx casting in the aneurysmal structures (forks). Abbreviations: BAVM: brain arteriovenous malformation, CT: computed tomography, EVT: endovascular treatment, ICA: internal carotid artery, MCA: middle cerebral artery, M3: third segment of the MCA

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