From the case:
Transsphenoidal hypophysectomy (endoscopic)
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/17494/annotated_viewer_json?lang=us"}
Patient is held in a Mayfield headrest, with an endoscope at the anterior wall of the sphenoid sinus. A sucker has been placed in the pituitary fossa.
Case Discussion
This image has been obtained during endoscopic transsphenoidal hypophysectomy for a pituitary macroadenoma.
Image and explanation courtesy of Mr James King, Royal Melbourne Hospital.