Figure 12: It is important to carefully mobilize the anterior frontal pole of the tumor in order to identify the optic nerve and ICA at the level of the skull base (upper image). Following the contour of sphenoid wing medially, one can localize the approximate location of the optic canal and the ICA. In the lower intraoperative photo, the frontal portion of the tumors is removed and the location of the optic nerve and carotid artery is appreciated at the tip of the suction device. Residual coagulated tumor is present along the tentorium.
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