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Figure 4c. Aneurysm in a 78-year-old woman with subarachnoid hemorrhage (Hunt and Hess grade V). (a) Transverse and (b) coronal MIP images from CT angiography show a 3-mm-diameter aneurysm (arrow) in the middle cerebral artery, at the origin of the left anterior temporal artery. (c) Frontal projection image from DSA performed with left common carotid artery injection shows the same aneurysm (arrow).