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Updated: Aug 30, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
Published on: January 17, 2018
Image-guided endoscopic transsphenoidal drainage of select petrous apex cholesterol granulomas
Laurence J DiNardo1, Gregory W Pippin, Aristides Sismanis
1Department of Otolaryngology, Head and Neck Surgery, Virginia Commonwealth University Health System, Medical College of Virginia Hospitals and Physicians, Richmond 23298-0146, USA. idinardo@hsc.vcu.edu
Objective:
Explore the indications and advantages of image-guided transsphenoidal endoscopic drainage of select petrous apex cholesterol granulomas.
Study Design:
Case report and literature review.
Setting:
Tertiary referral center.
Conclusions:
Image-guided endoscopic transsphenoidal drainage of cholesterol granulomas is the procedure of choice for petrous apex cholesterol granulomas that abut the sphenoid sinus and are accessible through its posterior wall.