Transsphenoidal hypophysectomy (endoscopic)
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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.
This image has been obtained during endoscopic transsphenoidal hypophysectomy for a pituitary macroadenoma.
Image and explanation courtesy of Mr James King, Royal Melbourne Hospital.