Chest CT Features of 182 Patients with Mild Coronavirus Disease 2019 (COVID-19) Pneumonia: A Longitudinal, Retrospective
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ORIGINAL RESEARCH
Chest CT Features of 182 Patients with Mild Coronavirus Disease 2019 (COVID-19) Pneumonia: A Longitudinal, Retrospective and Descriptive Study Huaping Liu
. Shiyong Luo
. Youming Zhang
Yuzhu Jiang . Yuting Jiang . Yayi Wang . Hailan Li
. .
Chiyao Huang . Shunzhen Zhang . Xili Li . Yiqing Tan
.
Wei Wang Received: August 16, 2020 / Accepted: October 1, 2020 Ó The Author(s) 2020
ABSTRACT Introduction: The evolution of computed tomography (CT) findings in patients with mild coronavirus disease 2019 (COVID-19) pneumonia has not been described in detail. A largescale longitudinal study is urgently required. Methods: We analyzed 606 CT scans of 182 patients. The dynamic evolution of CT scores was evaluated using two staging methods: one was divided into 10 periods based on decile
Huaping Liu and Shiyong Luo contributed equally to this work. H. Liu W. Wang (&) Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China e-mail: [email protected] S. Luo X. Li Y. Tan (&) Department of Radiology, Wuhan Third Hospital (Tongren Hospital of Wuhan University), Wuhan, Hunan, People’s Republic of China e-mail: [email protected]
intervals, and the other was one stage per week. Moreover, the latter was used to evaluate the dynamic evolution of imaging performance. A published severity scoring system was used to compare findings of the two methods. Results: In the dynamic evolution of 10 stages, the total lesion CT score peaked during stage 3 (9–11 days) and stage 6 (17–18 days), with scores = 7.19 ± 3.66 and 8.00 ± 4.57, respectively. The consolidation score peaked during stage 6 (17–18 days; score = 2.72 ± 3.07). In contrast, when a 1-week interval was used and time was divided into five stages, the total lesion score peaked during week 3 (score = 7.3 ± 4.15). The consolidation score peaked during Y. Jiang S. Zhang Department of Radiology, Shaodong People’s Hospital, Shaodong, Shaoyang, Hunan, People’s Republic of China Y. Wang Department of Radiology, Taoyuan People’s Hospital, Taoyuan County, Changde, Hunan, People’s Republic of China e-mail: [email protected]
Y. Zhang Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China
H. Li Department of Radiology, Hunan Provincial People’s Hospital (The First Affiliate Hospital of Hunan Normal University), Changsha, Hunan, People’s Republic of China
Y. Jiang Department of Computed Tomography, The People’s Hospital of Hailun, Hailun, Heilongjiang, People’s Republic of China
C. Huang Department of Chinese Medicine, First Clinical College of China, Three Gorges University, Yichang, Hubei, People’s Republic of China
Infect Dis Ther
week 2 (score = 2.54 ± 3.25). The predominant CT patterns differed significantly during each stage (P \ 0.01). Ground-glass opacities (GGO), with an increased trend during week 3 and beyond, was the most common pattern in each stage (33–46%). The second most common patterns during week 1 wer
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