MPR技术在诊断气管、支气管病变中的应用

Clinical application of multi-planar reconstruction (MPR) in the lesion of bronchus

目的:探讨多层螺旋CT多平面重建技术(MPR)在诊断气管、支气管病变中的应用价值。方法:搜集经手术或支气管镜证实的肺癌及支气管内膜结核42例,均行16排螺旋CT容积扫描,并行MPR重建,观察和测量病变支气管壁的厚度及长度。结果:26例中心型肺癌的叶、段支气管管壁厚度(T)平均为14.5mm,管壁增厚长度(L)平均为25.2mm,其T/L比值为0.58。16例支气管内膜结核T/L比值为0.17。结论:采用MPR技术观察和测量病变支气管壁的厚度、长度及其比值(T/L)有助于中心型肺癌与支气管内膜结核的鉴别诊断。

Objective： To evaluate the value of multi-planar reconstruction （MPR） of multi-slice CT for the lesion of bronchus. Methods： 16 detector spiral CT MPR was performed in 42 bronchogenic carcinoma and tuberculosis in the bronchus.All of 42 cases were confirmed by operative pathology.The thickness and length of bronchotracheal lesions was surveied and statistical analysis was done. Results： T/L（thickness/length） of 26 central type bronchogenic carcinoma was 0.58 and bronchus tuberculosis was 0.17.Conclusion： It is helpful to survey the thickness and length of bronchotracheal lesions by MPR of multi-slice CT and calculate the ratio （T/L） to distinguish bronchogenic carcinoma and tuberculosis in the bronchus.