Fig. 2From: Fully endoscopic approach for resection of brainstem cavernous malformations: a systematic review of the literatureEndosendoscopic transnasal transtuberculum-transplanum approach to ventral mesencephalic cavernous malformations. The sellar floor and the upper clivus were the superior and inferior limit of the bony exposure; Pituitary transposition is used to increase access to lesions behind the upper clivusBack to article page