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目的 探讨重症严重急性呼吸综合征(SARS)的X线表现。方法 回顾性分析37例重症SARS患者的一系列X线胸片变化规律。结果 重症SARS患者胸片表现为两肺阴影迅速进展,大部分区域受累。有3种表现类型:①19例表现为弥漫大片云雾状影,病灶无明显分界,肺纹理显示不清;②13例表现为弥漫棉团状密影,边缘模糊,肺纹理增粗;③5例表现为多发大团块密影,边缘模糊,可见支气管气相。如无合并症发生,对症治疗有效,1个月左右肺部阴影消失。6例肺部合并G~-杆菌感染,5例合并纵隔气肿,出现合并症时,肺部阴影延迟吸收。结论 重症SARS患者的X线影像为肺部密影快速进展至两肺大部分区域,易合并纵隔气肿及肺部感染。
Objective To investigate the X-ray findings of Severe Acute Respiratory Syndrome (SARS). Methods A retrospective analysis of 37 cases of severe SARS patients with a series of X-ray changes. Results In patients with severe SARS, chest radiographs showed rapid progress of both lung shadow and most of the affected area. There are three types of manifestations: ①19 cases showed diffuse large cloud-like shadow, no obvious demarcation of the lesion, unclear lungs; ②13 cases showed diffuse cotton-like dense shadow, fuzzy edges, thickening of the lungs; ③5 cases showed Multiple massive clumps, blurred edges, visible bronchial gas phase. If no complications occur, symptomatic treatment effective, about 1 month disappeared lung shadow. 6 cases of lung infection with G ~ - bacilli, 5 cases of mediastinal emphysema, complications, delayed absorption of the lung shadow. Conclusion The X-ray images of patients with severe SARS rapidly progress to most of the two lungs with dense pneumonitis, which is easily accompanied by mediastinal emphysema and pulmonary infection.