任何鼻窦手术，无论选择何种术式或进路，其成功的首要标准是恢复通气和引流的正．常通道。中鼻道鼻窦开窗术效果良好而额窦手术却与之不同，因为要维持额窦口长时间开放较为困难，原因为额隐窝区术后易产生后遗病变。而且，隐窝区空间狭窄，四周与筛前动脉、依底和筛骨纸板毗 Any sinus surgery, regardless of choice of surgical approach or approach, the first criteria for its success is to restore ventilation and drainage positive. Often pass. The effect of the middle nasal sinus surgery is good and the frontal sinus surgery is different, because it is more difficult to maintain the frontal ostium open for a long time because the frontal crypt area is easy to produce the posterior lesion. Moreover, the crypt area of ​​space is narrow, surrounded by the anterior ethmoid artery, according to the bottom and the ethmoid cardboard adjacent