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Clinical and CT manifestations of coronavirus disease 2019/ 新型冠状病毒肺炎的临床及胸部CT表现

Objective To evaluate the clinical and CT manifestations of coronavirus disease 2019 (COVID-19). Methods Serial clinical and CT data of 11 patients with confirmed COVID-19 were retrospectively analyzed. These data were collected in The Second Affiliated Hospital of Xi'an Jiaotong University from January 24 to February 9, 2020. There were 6 males and 5 females, aged from 17 to 64 years old, with the mean age of 42.27±15.67. Results A majority of the patients fell into mild type and only one was of severe type. Clinical manifestations were mainly fever, fatigue, and dry cough. For laboratory tests, the patients' lymphocyte and eosinophil counts decreased, while their C-reactive protein concentration increased. In terms of CT findings, 7 patients showed bilateral subpleural involvement. The ground glass opacity (GGO) was common in CT findings. Typical crazy paving sign, air bronchogram and halo sign were also found. During the progression of the disease, GGO might be associated with pulmonary consolidation. No enlarged lymph nodes or pleural effusion were seen in all the patients. Conclusion Patients with COVID-19 have distinctly characteristic chest CT manifestations and laboratory examination findings, which play a vital role in diagnosis and prognosis of the disease.