Chest CT features comparison between COVID-19 and bacterial pneumonia

Q4 Medicine

武汉大学学报(医学版) Pub Date : 2020-05-15 DOI:10.14188/J.1671-8852.2020.0086

Xingnan Liao, Jun Zhou, Jia Cao, Gonghao Ling, Xun Ding, Qing-yun Long

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引用次数: 4

Abstract

Objective: To improve the imaging diagnosis of novel coronavirus disease 2019 (COVID-19) by comparing the chest CT imaging characteristics between COVID-19 and bacterial pneumonia Methods: CT data of 42 COVID-19 cases from January 16 to February 18, 2020 were retrospectively analyzed, and we also compared with the CT data of 36 cases of bacterial pneumonia collected from November 27, 2017 to February 6, 2020 Results: The incidence of bilateral lobes involvement in COVID-19 group was 73 8%, which was significantly higher than that in bacterial pneumonia group (vs 41 7%, P 0 01) The incidences of ground glass shadow (95 2%), mesh shadow (31 0%), and pavement sign (26 2%) were significantly higher than those of bacterial pneumonia (77 8%, 8 3% and 0, respectively, all P 0 05) The incidences of consolidation (35 7%), and central lobular nodule or tree-bud signs (9 5%) were lower than those of bacterial pneumonia (66 7% and 47 2%, respectively, both P 0 05) Conclusion: In COVID-19 patients, more CT signs such as ground glass shadow, mesh shadow and paved appearance were found than in bacterial pneumonia ones, whereas the consolidation shadow, central lobular nodules and tree-bud signs were less common © 2020, Editorial Board of Medical Journal of Wuhan University All right reserved

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新型冠状病毒肺炎与细菌性肺炎的胸部CT特征比较

目的:通过对比2019冠状病毒病(COVID-19)与细菌性肺炎的胸部CT影像特征，提高对2019冠状病毒病(COVID-19)的影像学诊断。方法:回顾性分析2020年1月16日至2月18日42例COVID-19的CT资料，并与2017年11月27日至2020年2月6日36例细菌性肺炎的CT资料进行比较。新型冠状病毒肺炎组双侧肺叶受累发生率为73.8%，显著高于细菌性肺炎组(41.7%，P < 0.01);磨砂玻璃影(95.2%)、网状影(31.0%)、路面标志(26.2%)的发生率均显著高于细菌性肺炎组(77.8%、8.3%、0.0%，P < 0.05);结论:与细菌性肺炎相比，新型冠状病毒肺炎患者CT表现为毛玻璃影、网状影、铺地征较多，实变影、小叶中央结节、树芽征较少©2020，武汉大学医学杂志编辑委员会版权所有

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