• Einar T Bogason, Akshal S Patel, and Kevin M Cockroft.
• Department of Neurosurgery Penn State Hershey Medical Center Hershey, PA.
• J Neuroimaging. 2013 Oct 1; 23 (4): 518522518-22.

Background And PurposePosterior cerebral artery aneurysms are treatment challenge for the neurosurgeon. Parent artery occlusion, trapping and bypass have been the classic treatment options for aneurysms in this location. With the introduction of newer embolic agents such as Onyx®, endovascular intervention is now a viable therapy for these aneurysms.Case SummaryWe report the case of a 60-year-old man who presented with a symptomatic, though unruptured, fusiform left posterior cerebral artery aneurysm. Given the distal location of this dominant sided aneurysm, post-operative visual deficits and aphasia were a concern if parent vessel occlusion were to be performed. Therefore, an endovascular reconstruction using Onyx HD-500 and two closed-cell stents was performed.ConclusionsThis report illustrates the ability of a high-density liquid embolic agent to provide immediate reconstruction of a fusiform aneurysm in a distal location.Copyright © 2013 by the American Society of Neuroimaging.

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