Abstract
Purpose: The microscopic trans-septal trans-sphenoidal approach for the operation of pituitary adenomas is safe and efficient. However, the range of action offered by this approach is limited because in most cases the supra- and parasellar space cannot be directly visualized and preparation of the tumor is merely an action of the surgeon's “feeling”. In addition, the anatomical landmarks within the sphenoid sinus are covered by the blades of the speculum retracting the septal mucosa. The endoscope offers a wide-angled view and brings the light directly to the target, thus promising relevant advantages in removing tumors exceeding the sellar boundary. We report on our experiences with the first 150 cases.
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