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目的：评价非创伤性HRCT诊断支气管扩张的价值。材料与方法：对300例临床拟诊为支气管扩张症的病人进行HRCT检查，其中120例进行了支气管造影检查，对二种方法检查结果进行对照研究。结果300例患者中HRCT均呈现不同类型的支气管扩张表现，其诊断准确性为100％，而支气管造影术为85％。结论：HRCT能够明确支气管扩张的部位和程度，其诊断敏感性明显高于支气管造影术，它是一种安全、简便、可靠的检查手段。
Objective: To evaluate the value of non-invasive HRCT in the diagnosis of bronchiectasis. MATERIALS AND METHODS: HRCT was performed on 300 patients suspected of having bronchiectasis. Of the 120 patients, bronchial angiography was performed and the results of two methods were compared. Results The HRCT showed different types of bronchiectasis in 300 patients. The diagnostic accuracy was 100%, while that of bronchography was 85%. Conclusion: HRCT can clearly identify the location and degree of bronchiectasis, and its diagnostic sensitivity is significantly higher than that of bronchography. It is a safe, simple and reliable means of examination.