自周兵等~([1])2007年首次报道经鼻腔外侧壁切开入路上颌窦手术,目前经泪前隐窝入路处理复杂上颌窦病变,尤其是针对位于上颌窦内壁和前壁、泪前隐窝和齿槽隐窝的病变已逐步成为首选术式,并且延伸应用于翼腭窝-颞下窝、蝶窦外侧隐窝等区域的手术~([2-3])。然而,该入路进入上颌窦腔之前常面临出渗血较多、术野不清等困难,进而增加了 Since Zhou Bing et al ~ ([1]) 2007 first reported by the nasal cavity lateral wall incision of the maxillary sinus surgery, the current approach to the complex antrum of the maxillary sinus treatment of lesions, especially in the maxillary sinus wall and the anterior wall , Pre-tear crypts and alveolar crypt lesions have gradually become the preferred surgical procedures, and extended to the pterygopalatine fossa - infratemporal fossa, sphenoid lateral recess and other areas of surgery ~ ([2-3]). However, this approach is often faced with difficulties such as more bleeding and unclear operative field before entering the maxillary sinus cavity, which in turn increases