摘要:目的探讨多层螺旋CT(MSCT)薄层扫描及图像后处理技术对小儿气管、支气管异物的诊断价值。方法经纤维支气管镜证实的15例气管、支气管异物均行MSCT胸部扫描,并结合图像后处理成像的多平面重建(MPR)、曲面重建(CMPR)、CT仿真内窥镜(CTVE)等技术,观察气管、支气管异物。结果气管异物1例,右侧主支气管异物5例,右侧中间段支气管异物4例,右肺下叶支气管异物1例,左侧主支气管异物3例,左下叶支气管异物1例。MSCT扫描及图像后处理技术诊断结果与纤维支气管镜取出异物结果相符。结论MSCT图像后处理技术的MPR、CMPR和CTVE成像技术中以MPR显示异物效果最好.可作为小儿气管异物检查的首选处理方法。
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