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目的:评价螺旋CT高分辨力扫描(以下简称HRCT)在轻微支气管扩张诊断中的价值。方法:对21例临床怀疑为支气管扩张、26例有慢性支气管炎病史的患者分别进行常规螺旋CT扫描和HRCT扫描。将扫描结果进行对照分析,找出HRCT在轻微支气管扩张诊断中的优势。结果:21例可疑支气管扩张患者中,螺旋常规CT扫描发现支气管扩张8例,HRCT发现支气管扩张19例;在26例有慢性支气管炎病史的患者中,HRCT发现支气管扩张9例。结论:HRCT对显示肺小气道病变尤其是小支气管扩张比常规CT有更大的优越性。对临床怀疑支气管扩张的患者,应首选HRCT检查。
Objective: To evaluate the value of spiral CT high-resolution scanning (hereinafter referred to as HRCT) in the diagnosis of mild bronchiectasis. Methods: Totally 21 patients with suspected bronchiectasis and 26 patients with chronic bronchitis were treated by conventional spiral CT and HRCT respectively. The results of the scan were analyzed to find the advantages of HRCT in the diagnosis of mild bronchiectasis. Results: Of the 21 suspected cases of bronchiectasis, spiral CT scans were found in 8 cases of bronchiectasis and bronchiectasis in 19 cases of HRCT. Among 26 patients with a history of chronic bronchitis, 9 cases of bronchiectasis were found in HRCT. CONCLUSIONS: HRCT is superior to conventional CT in demonstrating pulmonary small airway disease, especially small bronchiectasis. Clinical suspicion of bronchiectasis in patients with HRCT should be the first choice.