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J Int Med Res . Dynamic changes in computed tomography manifestations of 105 patients with novel coronavirus pneumonia in Wuhan, China

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  • J Int Med Res . Dynamic changes in computed tomography manifestations of 105 patients with novel coronavirus pneumonia in Wuhan, China


    J Int Med Res


    . 2020 Nov;48(11):300060520972913.
    doi: 10.1177/0300060520972913.
    Dynamic changes in computed tomography manifestations of 105 patients with novel coronavirus pneumonia in Wuhan, China


    Yueying Pan 1 , Liming Xia 1 , Yujin Wang 1 , Hanxiong Guan 1



    Affiliations

    Abstract

    Objective: To observe the evolution of chest high-resolution computed tomography (HRCT) manifestations in 105 patients with coronavirus disease 2019 (COVID-19).
    Methods: One hundred five patients with confirmed COVID-19 were enrolled from 11 January to 9 February 2020. Sequential chest HRCT examinations were performed. Five stages were identified from the onset of initial symptoms: 0-3, 4-7, 8-14, 15-21, and >21 days (Stages A-E, respectively). A semi-quantitative CT scoring system was used to estimate the sum of lung abnormalities in each stage.
    Results: In total, 393 CT scans were collected. The patients underwent 3.8 ? 1.5 CT examinations. Multiple lobes were involved in most cases. The proportion of consolidation and the total CT score gradually increased from Stage A to C and gradually decreased from Stage C to E. The total CT score of lung involvement was significantly higher in Stage C than in Stages B and D. The CT score of the lower lobe was significantly higher than the corresponding upper and middle lobes in Stages A to D.
    Conclusions: Most patients with COVID-19 had a disease course of >14 days, and the lung lesions in most patients improved after 14 days since initial symptom onset.

    Keywords: COVID-19; computed tomography; coronavirus infection; disease course; imaging manifestations; lung disease; pneumonia.

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