论文部分内容阅读
目的 :探讨正常和异常喉及下咽部的 CT仿真喉镜 (CTVL )成像技术及临床应用。 材料与方法 :采用层厚 3.0mm、螺距 1.0、1.0 mm间隔对 10例正常和 2 0例经病理证实的喉及下咽部病变的患者进行 CTVL 成像 ,并与纤维喉镜、手术所见对照分析。 结果 :CTVL 能清楚显示正常喉及下咽部的腔内结构。 19例头端 CTVL 上显示的病变部位、大小和形态与纤维喉镜所见基本一致 ,1例声带息肉显示明显不如后者 ;2例从足侧观察肿瘤与声带和前联合的关系弥补了纤维喉镜的不足。 CTVL不能显示组织的颜色变化、不易观察病变的表面状况、难以判断病变的性质及不能观察喉内结构的活动情况。 结论 : CTVL是一种新的、非侵袭性的方法 ,能清楚显示正常和异常喉及下咽部的腔内结构 ,是纤维喉镜的很好补充手段。
Objective: To study the CT virtual laryngoscope (CTVL) imaging technique and its clinical application in normal and abnormal throat and hypopharynx. MATERIALS AND METHODS: CTVL imaging was performed on 10 normal and 20 pathologically confirmed laryngeal and hypopharyngeal lesions using 3.0 mm thickness, 1.0,1.0 mm pitch, and compared with fibrolaryngoscope and surgical findings analysis. Results: CTVL clearly shows the intraluminal structure of the normal larynx and hypopharynx. 19 cases of CTVL showed the tip of the lesion location, size and morphology and fiber laryngoscope basically the same, 1 case of vocal cord polyps showed significantly less than the latter; 2 cases from the foot side of the observation of the relationship between the tumor and vocal cord and make up the fiber Lack of laryngoscope. CTVL can not show the color changes of the tissue, not easy to observe the surface condition of the lesion, it is difficult to judge the nature of the lesion and can not observe the activity of the throat structure. Conclusions: CTVL is a new, non-invasive method that clearly shows the intraluminal structures of normal and abnormal larynx and hypopharynx and is a good complement to fiber laryngoscopy.