High-Resolution CT Imaging Manifestations and Dynamic Analysis of Newly Diagnosed Common COVID-19/ 初诊普通型新型冠状病毒肺炎的肺部高分辨率ct表现与动态观察

Objective To observe the changes of HRCT manifestations in the chest of newly diagnosed clinical COVID⁃19 from the first diagnosis to the time of discharge in the hospital Methods We retrospectively analyzed CT and clinical data of 60 patients diagnosed with common COVID-19 from January 1 to February 20, 2020 in Wuhan NO 1 Hospital, and studied the changes of three CT examinations and clinical manifestations Results Sixty cases of COVID⁃19 were confirmed (including 22 males and 38 females, with an average age of 49 years) There were 11 cases with a single CT lesion at first diagnosis and 49 cases with multiple lesions GGO with “paving stones” sign, GGO with consolidation or several types of coexistence Forty-five cases (75%) of the second CT examination progressed markedly, with the scope of the original lesions expanding, the number increasing or unchanged, or the appearance of “trading off and taking turns”, and 42 cases of consolidation increased;The extent of lesions the change was not obvious in 3 (5%) patients, and the consolidation increased;12 cases (20%) showed lesion absorption Nine patients (15%) had no significant correlation with the progression of clinical symptoms The third CT scan 1-3 days before discharge showed that most of the lesions in 50 (83 33%) were absorbed to varying degrees, 8 (13 33%) of the lesions were clearly absorbed, and a few new lesions appeared, and 2 (3 33%)) elderly patients still have unabsorbed lesions Conclusion Chest HRCT can objectively reflect changes in COVID-19 pulmonary lesions, and has good consistency with clinical progress and outcomes It has important value for clinical treatment and hierarchical management of patients