多排螺旋CT重建技术诊断气管性支气管

目的：探讨多排螺旋CT（MSCT）对气管性支气管的诊断及应用价值，认识先天性气管性支气管的临床意义。方法分析5例气管性支气管（TB）患者的MSCT薄层图像及多平面重组（MPR）、最小密度投影（MinIP）、容积再现（VR）及支气管虚拟内镜（VB）等多种后处理图像。结果5例气管性支气管均为右肺上叶尖段支气管发生在气管及右主支气管的右侧壁或右后壁，经多种后处理，均能清晰地显示气管性支气管的起源部位，有无狭窄及其他合并症情况。结论 MSCT无创、操作简单，可作为气管性支气管诊断的首选检查方法。

Multi-slice spiral CT reconstruction in the diagnosis tracheal bronchus

Objective To investigate the value of diagnosis and application in multi-slice spiral CT （MSCT） for diagnosing tracheal bronchus （TB）, and recognize the clinical significance of tracheal bronchus（TB）. Methods Ana-lyze the original and reconstructed MSCT images of 5 patients with TB, the reconstruction techniques included multi-planar reconstruction （MPR）, minimum intensity projection （MinIP）, volume rendering （VR）, virtual bronchoscopy （VB）. Results Five cases of tracheal bronchus occurred in the trachea or right main bronchus of the right side wall or the right posterior wall. Initiation site, stenosis, other complications of TB can be clearly displayed by various 3D recon-struction technology. Conclusion As a noninvasive and simple examination methods, MSCT should be the first choice in diagnosing TB.