Expanded Endoscopic Endonasal Treatment of Primary Intracranial Tumors within the Paranasal Sinuses

<table>Preoperative unenhanced maxillofacial CT. (a) Axial cut, bone window, demonstrates an expansile lytic lesion centered in the left sphenoid bone (arrow) and shows expansion of the left foramen rotundum (b). </table>

International Scholarly Research Notices

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Figure 1

Figure 1: Expanded Endoscopic Endonasal Treatment of Primary Intracranial Tumors within the Paranasal Sinuses 