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Preliminary Study on Clinical Features and CT Findings of Common-type Coronavirus Disease 2019 Patients in Peking Union Medical College Hospital

Author/s
Song L.,
Song W.,
Sui X.,
DU T.,
Liu W.,
Wang B.,
Lu X.,
Xu Y.,
Yang Q.,
Cao W.,
Jin Z.
Year
Language
Chinese
Document Type
Article
Source Title
Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae
Publisher
NLM (Medline)

Description

Objective To summarize the clinical characteristics and chest CT findings of coronavirus disease 2019(COVID-19)patients in Peking Union Medical College Hospital(PUMCH). Methods A total of 13 patients with COVID-19 confirmed at PUMCH from January 20 to February 6,2020 were selected as the research subjects.Their epidemiological histories,clinical characteristics,laboratory tests,and chest CT findings were analyzed retrospectively.The location,distribution,density,and other accompanying signs of abnormal lung CT lesions were recorded,and the clinical types of these patients were assessed. Results The clinical type was "common type" in all these 13 patients aged(46.8±14.7)years(range:27-68 years).Ten patients had a travel history to Wuhan or direct contact with patients from Wuhan,2 cases had recent travel histories,and 1 case had a travel history to Beijing suburb.The white blood cell(WBC)count was normal or decreased in 92.3% of the patients and the lymphocyte count decreased in 15.4% of the patients.Twelve patients(92.3%)had a fever,among whom 11 patients were admitted due to fever and 2 patients(15.4%)had low fever.Eight patients(61.5%)had dry cough.The CT findings in these 13 patients were all abnormal.The lesions were mainly distributed along the bronchi and under the pleura.The lesions were relatively limited in 8 patients(affecting 1-3 lobes,predominantly in the right or left lower lobe),and diffuse multiple lesions of bilateral lungs were seen in 5 patients.The CT findings mainly included ground glass opacities(GGOs)(n=10,76.9%),focal consolidation within GGOs(n=7,53.8%),thickened vascular bundle passing through the lesions(n=10,76.9%),bronchial wall thickening(n=12,92.3%),air bronchogram(n=10,76.9%),vacuole signs in the lesions(n=7,53.8%),fine reticulation and interlobular septal thickening(n=3,23.1%),reversed halo-sign(n=2,15.4%),crazy-paving pattern(n=2,15.4%),and pleural effusion(n=2,15.4%).Conclusions Most of our patients diagnosed with COVID-19 at PUMCH had a travel history to Wuhan or direct contact with patients from Wuhan.The first symptoms of COVID-19 mainly include fever and dry cough,along with normal or reduced counts of WBC and lymphocytes.CT may reveal that the lesions distribute along the bronchi and under the pleura;they are typically localized GGOs in the early stage but can become multiple GGOs and infiltrative consolidation in both lungs in the advanced stage.Scattered vacuole signs may be visible inside the lesions in some patients.

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Index Keywords

adult; aged; Betacoronavirus; Coronavirus infection; diagnostic imaging; human; lung; middle aged; pandemic; retrospective study; virus pneumonia; x-ray computed tomography; Adult; Aged; Betacoronavirus; Coronavirus Infections; Humans; Lung; Middle Aged; Pandemics; Pneumonia, Viral; Retrospective Studies; Tomography, X-Ray Computed