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为评估筛实手术后的病人再行鼻骨切开术是否会增加导致延伸到眼眶和依底的骨折的危险，采用14具新鲜冷冻的尸体全头标本，作双测蝶筛窦切开术（13具两例经内镜技术共26侧，1具两侧经鼻外途径结合内镜进行）。28侧用Webster法在没有去除鼻背部皮肤之前做了内侧和外侧骨切开术。
In order to assess whether the re-nasotomy performed after stented surgery may increase the risk of fractures that extend to the orbit and the base, 14 fresh-frozen whole-body specimens were used for double-cut butterfly ethmoidectomy Thirteen of 26 had endoscopic techniques with 26 sides, one with bilateral extranasal routes combined with endoscopy. 28 side with the Webster method did not remove the nasal back skin before medial and lateral osteotomy.