螺旋CT仿真支气管内窥镜成像方法及其临床应用

评价螺旋CT仿真支气管内窥镜(CTVB)临床应用价值。材料和方法对52例气管、支气管行螺旋CT(GEHiSoeedAdvantageCT/i)扫描，将其数据传至AdvantageWindows3.1版本工作站，用NavigatorSmooth软件建成酷似纤维支气管镜所见的CTVB图像，并与纤维支气管镜对照。其中4例与病理标本对照。结果CTVB能100％地观察到段以上支气管和80％以上亚段支气管。27例中心型肺癌发现支气管狭窄23例，闭塞4例，肺癌术后支气管残端4例，气管狭窄2例，右中间段支气管憩室1例。结论CTVB是一种新的无创性观察气管、支气管腔的方法，酷似纤维支气管镜所见，但在观察支气管粘膜的表浅病变和获取组织学标本方面不能取代纤维支气管镜。

CT Virtual Bronchoscopy: Imaging Method and Clinical Application

Purpose: To evaluate imaging methods and clinical application of CT virtual bronchoscopy (VB). Meterials and Methods: Fifty two cases were performed by using spiral CT (Hispeed Advantage CT/i), the data were transferred to computer workstation (Advantage Windows 3.1). The CTVB images were generated from using Navigator Smooth soft ware and compared with fiberoptic bronchoscopy. 4 cases of them were correlated with pathologic samples. Results: CTVB could reveal 100% segmental bronchi and more than 80% subsegmental bronchi mimicking fiberoptic bronchoscopy. Among the 27 patients with lung cancer of center type, bronchial stenosis (n=23) and occlusions (n=4) were due to masses. Post operated residual bronchial stumps (n=4) showed smooth blinds. One case exhibited the bronchial diverticulum in the right bronchus. Conclusions: CTVB provided a noninvasive fiberoptic bronchoscopelike image, but it can not replace fiberoptic endoscopy for demonstrating mucosal abnormalities and for obtaining histologic samples.