Fig. 2From: Endoscopic endonasal pituitary adenomas surgery: the surgical experience of 178 consecutive patients and learning curve of two neurosurgeonsa The sellar floor was open to expose the tumor. b The tumor invading left cavernous sinus was removed. *marks the defect of the medial wall of cavernous sinus. c Cavernous ICA is localized by intraoperative Doppler ultrasound. d No residue tumor was observed under endoscopyBack to article page