大多数垂体瘤可以经上唇一蝶窦人路手术切除，由于蝶窦内中隔变异较多，蝶窦气化形态不一，同时由于鞍底的形态不典型，手术中如果定位不准，人路方向偏差将会导致严重的后果。手术中除严格按照中线结构进人蝶窦外，牵开器的方向应该始终对准蝶鞍底部「’］。我们在术中应用a角 Most of the pituitary tumors can be surgically resected through the upper lip and sphenoid sinus. Because there are many variations in the septum in the sphenoid sinus, the shape of the sphenoid sinus is not uniform, and because the shape of the saddle bottom is not typical, if the positioning is not accurate during the operation, people Deviations in the direction of the road will have serious consequences. In addition to entering the sphenoid sinus strictly in accordance with the midline structure during surgery, the retractor should always be oriented at the bottom of the sella.’’ We use a horn during surgery.