Expanded Endoscopic Endonasal Treatment of Primary Intracranial Tumors within the Paranasal Sinuses
Figure 2
Preoperative enhanced orbital MRI. (a) Axial T1 MRI shows a solidly enhancing lesion (arrow) in the lateral inferior left sphenoid sinus with involvement of the foramen rotundum and the carotid artery in the anterior inferior cavernous sinus (b). (c) Coronal T1 MRI shows the plane between the lesion and the dura of the middle cranial fossa.
