Table 1.
Relationships of sphenoid sinus pneumatization type with ISS and ICA features, as revealed by preoperative axial paranasal computed tomography*.
Fig 1.
An intersphenoid sinus septum (asterisk) inserted into the paraclival internal carotid artery in a patient with postsellar pneumatization, as revealed by preoperative paranasal sinus computed tomography (A) and during endoscopic endonasal transsphenoidal surgery (B).
Fig 2.
An intersphenoid sinus septum covering the paraclival internal carotid artery (asterisk) and entering that artery (arrow) in a patient with postsellar pneumatization, as revealed by preoperative paranasal sinus computed tomography (A) and during endoscopic endonasal transsphenoidal surgery (B).
Fig 3.
An intersphenoid sinus septum inserted into the paraclival internal carotid artery (asterisk) in a patient with presellar pneumatization, as revealed by paranasal sinus computed tomography (A) and during endoscopic endonasal transsphenoidal surgery (B).