Abstract
Lesions located at clivus are challenging considering their complex deep location
and close relationship with many critical neurovascular structures. Clivus can be
divided into three regions based on their relation with posterior fossa neurovascular
structures. Several extensions of the traditional transsphenoidal approach have been
described, and here we discuss a variation comprising the removal of anterior and
medial wall of maxillary sinus, which enlarges the surgical corridor and exposure
of clivus.
