About: Coronavirus disease 2019: initial chest CT findings

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Coronavirus disease 2019: initial chest CT findings
Creator	Li, Xiang Fang, Zheng Guo, Dajing Li, Chuanming Zeng, Wenbing Chen, & Yang, Ran Zhou, Zhiming
Source	Medline; PMC
abstract	OBJECTIVES: To systematically analyze CT findings during the early and progressive stages of natural course of coronavirus disease 2019 and also to explore possible changes in pulmonary parenchymal abnormalities during these two stages. METHODS: We retrospectively reviewed the initial chest CT data of 62 confirmed coronavirus disease 2019 patients (34 men, 28 women; age range 20–91 years old) who did not receive any antiviral treatment between January 21 and February 4, 2020, in Chongqing, China. Patients were assigned to the early-stage group (onset of symptoms within 4 days) or progressive-stage group (onset of symptoms within 4–7 days) for analysis. CT characteristics and the distribution, size, and CT score of pulmonary parenchymal abnormalities were assessed. RESULTS: In our study, the major characteristic of coronavirus disease 2019 was ground-glass opacity (61.3%), followed by ground-glass opacity with consolidation (35.5%), rounded opacities (25.8%), a crazy-paving pattern (25.8%), and an air bronchogram (22.6%). No patient presented cavitation, a reticular pattern, or bronchial wall thickening. The CT scores of the progressive-stage group were significantly greater than those of the early-stage group (p = 0.004). CONCLUSIONS: Multiple ground-glass opacities with consolidations in the periphery of the lungs were the primary CT characteristic of coronavirus disease 2019. CT score can be used to evaluate the severity of the disease. If these typical alterations are found, then the differential diagnosis of coronavirus disease 2019 must be considered. KEY POINTS: • Multiple GGOs with consolidations in the periphery of the lungs were the primary CT characteristic of COVID-19. • The halo sign may be a special CT feature in the early-stage COVID-19 patients. • Significantly increased CT score may indicate the aggravation of COVID-19 in the progressive stage.
has issue date	2020-03-24(xsd:dateTime)
bibo:doi	10.1007/s00330-020-06816-7
bibo:pmid	32211963
has license	no-cc
sha1sum (hex)	25da07975e0fb2ee8083f196c4c0c262839c9d44
schema:url	https://doi.org/10.1007/s00330-020-06816-7
resource representing a document's title	Coronavirus disease 2019: initial chest CT findings
has PubMed Central identifier	PMC7095437
has PubMed identifier	32211963
schema:publication	Eur Radiol
resource representing a document's body	covid:25da07975e0fb2ee8083f196c4c0c262839c9d44#body_text
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