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Figure 1: Various steps during the endoscopic clipping of a middle cerebral artery bifurcation aneurysm. Three-dimensional angiography shows the middle cerebral artery bifurcation aneurysm (a and b). Initially, the sylvian fissure (c) and carotid cistern are opened to expose the internal carotid artery and its bifurcation (d). Aneurysm is then dissected (e). Aneurysm clip is then applied across the neck after visualizing it from different angles (f–h)

Figure 1:  Various steps during the endoscopic clipping of a middle cerebral artery bifurcation aneurysm. Three-dimensional angiography shows the middle cerebral artery bifurcation aneurysm (a and b). Initially, the sylvian fissure (c) and carotid cistern are opened to expose the internal carotid artery and its bifurcation (d). Aneurysm is then dissected (e). Aneurysm clip is then applied across the neck after visualizing it from different angles (f–h)