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目的 评价平片和CT检查在严重急性呼吸综合征(SARS)的诊断价值。方法 回顾性分析29例临床诊断SARS的患者,对发病后的一系列胸片和CT影像进行分析。结果 胸片显示SARS患者早期出现肺部局灶性斑片状模糊影,并进行性扩大,有82.8％(24/29)的患者最后病变累及两肺大部分区域。CT显示起病初期以肺实变为主的影像表现。中期表现为肺间质增厚,呈网格状,并肺实变影。恢复期肺间质增厚,呈细网状。部分患者遗留肺纤维化病灶。结论 SARS同时存在急性肺炎和急性间质性肺炎的影像改变,在治疗过程中,一系列胸片检查有助于掌握病情的变化,CT检查能较准确的评价肺部病变。
Objective To evaluate the diagnostic value of plain film and CT in the diagnosis of severe acute respiratory syndrome (SARS). Methods A retrospective analysis of 29 cases of clinically diagnosed SARS patients, the incidence of a series of chest X-ray and CT images were analyzed. Results The chest radiograph showed focal patchy patches of lungs in the early stage of SARS. The progressive enlargement was observed in 82.7% of the patients with SARS. The final lesions in most of the two lung regions were found in 82.8% (24/29) patients. CT showed early onset of lung consolidation based image performance. Mid-term performance of interstitial thickening, a mesh-like, and lung consolidation shadow. Convalescent pulmonary interstitial thickening, was fine mesh. Some patients left pulmonary fibrosis lesions. Conclusion SARS has both acute pneumonia and acute interstitial pneumonia. During the course of treatment, a series of chest radiographs can help to grasp the changes of the disease. The CT examination can accurately evaluate the lung lesion.