About: Chest computed tomography findings of coronavirus disease 2019 (COVID-19) pneumonia

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Chest computed tomography findings of coronavirus disease 2019 (COVID-19) pneumonia
Creator	Zhao, Bin Bai, Yan Wang, Meiyun Liu, Dong Lou, Jianghua Bao, Guofeng Fu, Fangfang Lei, Zhidan Ma, Gongbao Xi, Deyan
Source	Medline; PMC
abstract	OBJECTIVE: To retrospectively analyze the chest computed tomography (CT) features in patients with coronavirus disease 2019 (COVID-19) pneumonia. METHODS: From January 9, 2020, to February 26, 2020, totally 56 laboratory-confirmed patients with COVID-19 underwent chest CT. For 40 patients, follow-up CT scans were obtained. The CT images were evaluated for the number, type and distribution of the opacity, and the affected lung lobes. Furthermore, the initial CT scan and the follow-up CT scans were compared. RESULTS: Forty patients (83.6%) had two or more opacities in the lung. Eighteen (32.7%) patients had only ground-glass opacities; twenty-nine patients (52.7%) had ground-glass and consolidative opacities; and eight patients (14.5%) had only consolidation. A total of 43 patients (78.2%) showed two or more lobes involved. The opacities tended to be both in peripheral and central (30/55, 54.5%) or purely peripheral distribution (25/55, 45.5%). Fifty patients (90.9%) had the lower lobe involved. The first follow-up CT scans showed that twelve patients (30%) had improvement, 26 (65%) patients had mild-moderate progression, and two patients (5%) had severe progression with “white lungs.” The second follow-up CT showed that 22 patients (71%) showed improvement compared with the first follow-up CT, four patients (12.9%) had aggravated progression, and five patients (16.1%) showed unchanged radiographic appearance. CONCLUSIONS: The common CT features of COVID-19 pneumonia are multiple lung opacities, multiple types of the opacity (ground-glass, ground-glass and consolidation, and consolidation alone), and multiple lobes especially the lower lobe involved. Follow-up CT could demonstrate the rapid progression of COVID-19 pneumonia (either in aggravation or absorption). KEY POINTS: • The predominant CT features of COVID-19 pneumonia are multiple ground-glass opacities with or without consolidation and, with both lungs, multiple lobes and especially the lower lobe affected. • CT plays a crucial role in early diagnosis and assessment of COVID-19 pneumonia progression. • CT findings of COVID-19 pneumonia may not be consistent with the clinical symptoms or the initial RT-PCR test results.
has issue date	2020-05-20(xsd:dateTime)
bibo:doi	10.1007/s00330-020-06920-8
bibo:pmid	32435925
has license	no-cc
sha1sum (hex)	8bad56a5d23c10949463f473ff1a1de6b1e1866b
schema:url	https://doi.org/10.1007/s00330-020-06920-8
resource representing a document's title	Chest computed tomography findings of coronavirus disease 2019 (COVID-19) pneumonia
has PubMed Central identifier	PMC7237879
has PubMed identifier	32435925
schema:publication	Eur Radiol
resource representing a document's body	covid:8bad56a5d23c10949463f473ff1a1de6b1e1866b#body_text
is schema:about of	named entity 'Key' named entity 'patients' named entity 'patients' named entity 'COVID-19' named entity 'radiographic' named entity 'early' named entity 'opacities' named entity 'Results' named entity 'COMMON' named entity 'AGGRAVATION' named entity 'images' named entity 'lung' named entity 'twenty-nine' named entity 'COVID-19' named entity 'rapid' named entity 'multiple' named entity 'features' named entity 'COVID-19' named entity 'CT scans' named entity 'lung lobes' named entity 'January 9' named entity 'compared' named entity 'pneumonia' named entity 'opacities' named entity 'pneumonia' named entity 'lung' named entity 'CT scans' named entity 'chest CT' named entity 'computed tomography' named entity 'ground-glass opacities' named entity 'pneumonia' named entity 'pneumonia' named entity 'CT scan' named entity 'COVID' named entity 'computed tomography' named entity 'GE Healthcare' named entity 'ICU' named entity 'subpleural' named entity 'lesion' named entity 'follow-up' named entity 'pneumonia' named entity 'COVID' named entity 'pneumonia' named entity 'radiographic' named entity 'decreased white blood cell count' named entity 'Early diagnosis' named entity 'case reports' named entity 'pulmonary lobule' named entity 'CT image' named entity 'SARS-CoV-2' named entity 'follow-up' named entity 'World Health Organization' named entity 'symptom' named entity 'COVID' named entity 'lungs' named entity 'CT image' named entity 'negative result' named entity 'Wuhan' named entity 'ground-glass opacities' named entity 'interstitial thickening' named entity 'CT images' named entity 'symptom' named entity 'laboratory test' named entity 'pneumonia' named entity 'COVID' named entity 'Wuhan' named entity 'clinical symptoms' named entity 'left lower lobe' named entity 'viruses' named entity 'lung lobes' named entity 'follow-up' named entity 'SARS-CoV-2'

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