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目的：通过对鼻腔外侧壁的解剖学观察，为功能性鼻内窥镜术最佳手术切口的选择提供依据。方法：对２０例成人头部标本进行解剖观察并对２０２侧钩突切除术进行总结分析。结果：钩突的长度为１８．８±２．２ｍｍ，中段宽度为４．３±０．５ｍｍ，鼻前棘至钩突前缘基部中央的距离为３１．１±２．８ｍｍ。结论：鼻丘、泪骨弓及下鼻甲上缘可作为钩突切除术时定位钩突及选择切口位置的标志。
OBJECTIVE: To provide the basis for the selection of the best surgical incision for functional endoscopic sinus surgery by anatomical observation of the lateral wall of the nasal cavity. Methods: Twenty adult head specimens were dissected and the excision of 202 uncinate process was analyzed. Results: The length of the uncinate process was 18.8 ± 2.2mm and the width of the middle section was 4.3 ± 0.5mm. The distance between the anterior nasal spine and the center of the front of the hook was 31.1 ± 2.8mm. CONCLUSIONS: The nape of the nasal cavity, the lacrimal bract, and the inferior turbinate may serve as markers for the location of the cricoid and the location of the incision for uncinatectomy.