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Intraoperative endoscopic view of endoscopic transsphenoidal excision of the sellar tumor in case two. (A) Anterior wall of sphenoidal sinus. (B) Exposure of the sellar dura. (C) Sellar region after total tumor resection. ECS, ethmoid cell superior to the sphenoid bone; CS, crista sphenoidalis; ASW, anterior sphenoidal wall; SD, sellar dura; DS, diaphragma sellae; SH, hypophysial.
