[1]傅晓彬,李杰生,黄 洲,等.蒲公英果实征: 9例新型冠状病毒肺炎的CT征象[J].南方医科大学学报,2020,(02):159-163.[doi:10.12122/j.issn.1673-4254.2020.02.06]
 Dandelion clock-like sign on CT for diagnose of COVID-19[J].Journal of Southern Medical University,2020,(02):159-163.[doi:10.12122/j.issn.1673-4254.2020.02.06]
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蒲公英果实征: 9例新型冠状病毒肺炎的CT征象()
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《南方医科大学学报》[ISSN:1673-4254/CN:44-1627/R]

卷:
期数:
2020年02期
页码:
159-163
栏目:
出版日期:
2020-02-29

文章信息/Info

Title:
Dandelion clock-like sign on CT for diagnose of COVID-19
作者:
傅晓彬李杰生黄 洲徐志明姚伟平崔运能欧阳可勋刘怀忠
关键词:
新型冠状病毒新型冠状病毒肺炎CT磨玻璃影“蒲公英果实征”
Keywords:
novel coronavirus novel coronavirus pneumonia computed tomography ground-glass opacity dandelion clock-like
DOI:
10.12122/j.issn.1673-4254.2020.02.06
文献标志码:
A
摘要:
目的 探讨胸部CT的蒲公英果实征在新型冠状病毒肺炎(COVID-19)的诊断价值。 方法 回顾性分析佛山市三水区人民医院2020年1月24日~2月10日发热门诊和感染内科收治隔离患者行胸部HRCT检查的119例患者资料,排除胸部CT无异常 病例,获得诊断肺炎患者23例,其中COVID-19 9例、其他类型肺炎14例,并分析及对比各类型肺炎的CT征象、病灶部位及蒲公英果实征等。结果 23例肺炎中,COVID-19 9例(39.1%),临床为普通型或重症型,均有流行病学史及相应呼吸道症状;CT表现为:病灶以多发、双侧分布为主(7例),主要分布中外肺野、胸膜下区,呈斑片状、团片状、伞形磨玻璃影,常合并肺血管增粗和微血管增多、小叶间隔增厚及纤维化,内衬网格样、如小气泡样的“铺路石征”;蒲公英果实征见于9例COVID-19患者,共46个病灶(60.5%,总病灶数76个),其表现为“蒲公英果实绒团征”(9个)与“蒲公英种子征”(37个),而并未出现于14例其他类型肺炎患者中。结论 蒲公英果实征常见于COVID-19患者胸部CT,是COVID-19较特征性的影像学征象,可鉴别COVID-19与其他类型的肺炎。
Abstract:
Objective To explore the value of the "dandelion clock-like" sign on chest CT for diagnosis of SARS-CoV-2-associated pneumonia. Methods This retrospective analysis was conducted based on the data of 119 cases from the Department of Fever and the Department of Infection undergoing chest high-resolution CT examinations in Sanshui District People’s Hospital between January, 24 and February 10, 2020. The cases with no abnormality on chest CT were excluded. Twenty-three patients were diagnosed to have pneumonia, including 9 with SARS-CoV-2-associated pneumonia and 14 with other types of pneumonia. We comparatively analyzed the CT signs, location of the lesions and the dandelion clock-like sign among different types of pneumonia. Results Among the 23 patients with pneumonia, 9 (39.1% ) had common or severe SARS-CoV-2- associated pneumonia with a positive epidemiological history and corresponding respiratory symptoms. Seven of the SARSCoV-2-associated pneumonia patients had multiple lesions in bilateral lungs, compromising mainly the lung field and the subpleural area and showing patchy, lumpy, and umbrella-shaped ground glass opacity, often accompanied by pulmonary vascular thickening and increased microvessels, interlobular septal thickening and fibrosis and lined with grid-like and small-bubble-like "crazy-paving" patterns. The dandelion clock-like sign was found in all the 9 patients with SARSCoV-2-associated pneumonia, with a total of 46 lesions (60.5% , 76 total lesions); 9 of the lesions presented with a "dandelion clek-like" sign and 37 with a "dandelion seed sign". These signs were not found in the 14 patients with other types of pneumonia. Conclusion The dandelion clock-like sign is a common and characteristic chest CT finding in patients with SARS-CoV-2-associated pneumonia, and can help to distinguish SARS-CoV-2-associated pneumonia from other types of pneumonia.

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更新日期/Last Update: 2020-03-14