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目的探讨薄层CT扫描技术在小儿气管及支气管异物诊断中的应用价值。方法气管内异物1例;右侧支气管内异物5例;左侧支气管内异物6例。金属异物1例;黄豆1例;豌豆1例;爆米花1例;果冻1例;蚕豆2例;花生米2例;瓜子3例。所有病例均行薄层CT扫描检查。所获图像经3位不同资历医师观察。所有病例均为纤维支气管镜取出异物证实。结果薄层CT扫描均能显示异物,术前正确诊断,无一例漏诊。但异物性质未定,仅能区别为不透X线和透X线异物。结论薄层CT扫描技术在小儿气管支气管异物诊断中,可明确异物诊断,可作为小儿透X线气管异物的常规检查。
Objective To investigate the value of TLC CT in the diagnosis of pediatric tracheal and bronchial foreign bodies. Methods One case of intra-tracheal foreign body, five cases of right bronchial foreign body, and six cases of left-sided bronchial foreign body. 1 case of metal foreign body, 1 case of soybean, 1 case of pea, 1 case of popcorn, 1 case of jelly, 2 cases of faba bean, 2 cases of peanut and 3 cases of melon seeds. All cases underwent TLC scanning. The images obtained were observed by 3 different qualified physicians. All cases confirmed by foreign body removed by fiberoptic bronchoscopy. Results Thin layer CT scan can show foreign body, preoperative correct diagnosis, no case of missed diagnosis. However, the nature of the foreign body undetermined, only the difference is not transparent X-ray and X-ray foreign body. Conclusion Thin-layer CT scanning can diagnose foreign body in the diagnosis of tracheobronchial foreign bodies in children and can be used as routine examination of X-ray tracheal foreign body in children.