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目的 应用颈侧位平片显示声门下异物的X线表现及其临床应用。材料与方法 对 3 0例声门下异物中 19例颈侧位平片资料和临床内镜结果进行回顾性分析。结果 18例X线表现为异物嵌于声门下 ,其长径与气管长径一致 ,密度大致与邻近软组织相仿 ,停留时间较长后周围可出现软组织肿胀或肉芽增生改变 ,另 1例骨性异物呈高密度影。结论 颈侧位平片对声门下异物是一项简单、安全、可靠的检查方法。
Objective To evaluate the X-ray findings of subglottic foreign bodies and their clinical application by plain cervical lateral radiographs. Materials and Methods A retrospective analysis was performed on the data of 19 cases of cervical lateral plain radiographs and clinical endoscopic findings in 30 cases of subglottic foreign bodies. Results 18 cases of X-ray showed foreign body embedded in the glottis, its long diameter and tracheal length of the same, the density is generally similar to the adjacent soft tissue, retention time longer around the soft tissue swelling or granulation hyperplasia can change, the other 1 case of bone foreign body High-density shadow. Conclusions The cervical lateral plain radiographs is a simple, safe and reliable method to detect subglottic foreign body.