A 26-year-old woman with giant intracranial left internal carotid artery aneurysm. A. MRI brain scan shows pulsation artifact in large left retro-orbital mass (arrow) compatible with an aneurysm. B. Rotational arteriography of the left internal carotid artery shows a 36-cm fusiform aneurysm of the left internal carotid artery (arrow). C. Fluoro-radiograph shows Medtronic PipelineÔ construct (arrows) spanning the giant aneurysm. D. Left internal carotid arteriography performed 6 months after treatment shows near complete occlusion of the aneurysm (arrows). Source: Endovascular Surgical Neuroradiology, The NeuroICU Book, 2e Citation: Lee K. The NeuroICU Book, 2e; 2017 Available at: https://neurology.mhmedical.com/DownloadImage.aspx?image=/data/books/2155/leeneuro2_ch23_f010-2.png&sec=163965148&BookID=2155&ChapterSecID=163965068&imagename= Accessed: October 09, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved