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目的 探讨急性传染性非典型肺炎(SARS)的X线表现及变化规律。方法 回顾性分析临床诊断SARS的61例患者,对发病后的一系列胸片和CT影像进行统计分析。结果 患者以发热为最早起病症状,88.5％患者在起病1周内肺部出现肺局灶性斑片状模糊影,并迅速扩大。2周内病变过高峰,有57.4％患者两肺大部分肺野受累,病情重。83.6％患者在5周内肺部阴影逐渐消散。在恢复期16例CT扫描中,有13例显示肺部遗留纤维化病灶。有6例患者合并感染,病期延长,4例死亡。结论 SARS早期出现肺部炎性改变.发展迅速,大部分两肺受累,重症比例高,易致肺纤维化。
Objective To investigate the X-ray findings and changes of acute infectious non -ssential pneumonia (SARS). Methods Retrospective analysis of 61 cases of clinically diagnosed SARS patients, the incidence of a series of chest X-ray and CT images were analyzed. Results The patients developed fever as the earliest onset symptom, and 88.5% patients developed focal focal patchy lungs in the lungs within 1 week of onset and rapidly expanded. Lesions within 2 weeks peaked, 57.4% of patients with lung involvement in most of the lungs, severe illness. 83.6% of patients within 5 weeks of lung shadow gradually dissipated. Of the 16 CT scans during the recovery phase, 13 showed fibrosis of the lungs. Six patients had a combined infection, with a prolonged illness and four deaths. Conclusions Early stage of SARS appears inflammatory changes in the lungs, and it develops rapidly, most of the two lungs are involved, the proportion of severe cases is high, and pulmonary fibrosis is easy to cause.