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Figure 7: (Case 2) Anterior communicating artery aneurysm in a 57-year-old man with subarachnoid hemorrhage. (a) Cranial CT shows diffuse subarachnoid hemorrhage. 3D-CTA (b) shows the aneurysm (arrow). Stereoscopic simulation images of the three surgical approaches: (c) interhemispheric approach, (d) right pterional approach, and (e) left pterional approach. (f, g) Stereoscopic simulation images for every step of the left pterional approach. (h) Enlarged stereo surgical view is shown

Figure 7: (Case 2) Anterior communicating artery aneurysm in a 57-year-old man with subarachnoid hemorrhage. (a) Cranial CT shows diffuse subarachnoid hemorrhage. 3D-CTA (b) shows the aneurysm (arrow). Stereoscopic simulation images of the three surgical approaches: (c) interhemispheric approach, (d) right pterional approach, and (e) left pterional approach. (f, g) Stereoscopic simulation images for every step of the left pterional approach. (h) Enlarged stereo surgical view is shown