Endoscopic Treatment of Sphenoid Sinus Mucocele: Case Report and Surgical Considerations

Figure 4

Sphenoidal sinus opened and demucosalized. Suction cannula is in clival recess. Black asterisks show lateral opticocarotid recess between carotid artery (downward) and optic nerve (upward). Observe the short intercarotid distance and the absence of prominence of the sellar floor.