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目的 :探讨食管癌放射性气管狭窄的CT特征。材料和方法 :回顾性分析 13例食管癌放射性气管狭窄患者临床及CT表现。结果 :13例食管上中段癌患者放射治疗后一段时间内出现气管或支气管狭窄 ,且狭窄段出现在放射野内 ,管壁厚度 >3mm ,且临床表现与气管狭窄程度相平行。结论 :放射性气管狭窄有其特征性CT表现。CT扫描有助于放射性气管狭窄诊断及鉴别诊断。
Objective: To investigate the CT features of esophageal cancer radioactive tracheal stenosis. Materials and Methods: The clinical and CT findings of 13 patients with esophageal cancer with radioactive tracheal stenosis were analyzed retrospectively. Results: Thirteen patients with upper esophageal carcinoma had tracheal or bronchial stenosis within a certain period of time after radiotherapy, and the stenosis occurred in the radiating field. The wall thickness was> 3mm, and the clinical manifestations were parallel to the degree of tracheal stenosis. Conclusion: Radiological tracheal stenosis has its characteristic CT findings. CT scan can help in the diagnosis and differential diagnosis of radiation tracheal stenosis.