准确定位蝶窦和蝶鞍是经蝶窦入路切除垂体腺瘤的先决条件。多年来 ,经蝶窦切除垂体腺瘤手术定位的常规方法为术中 X线定位 ,以确保准确进入蝶鞍切除肿瘤。理想的 X线定位设备为 X线电视 ,其可以进行实时动态的连续观察 ;也可采用床边 X线机 ,必要时摄片定位。然而由于术中 X线 Precise positioning of the sphenoid sinus and sella is a prerequisite for transsphenoidal resection of pituitary adenoma. Over the years, transsphenoidal resection of pituitary adenoma surgical positioning of the conventional method for intraoperative X-ray positioning to ensure accurate access to the sella resection of the tumor. The ideal X-ray positioning device for X-ray television, which can be real-time dynamic continuous observation; bedside X-ray machine can also be used, if necessary, positioning radiographs. However, due to intraoperative X-ray