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CT Imaging Evolution of Novel Coronavirus Pneumonia during Hospitalization
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作者 Abdulfatah Hassan Maqul Allauddin Barak# +1 位作者 Yili Zhang Youmin Guo 《Open Journal of Radiology》 2020年第3期127-137,共11页
<strong>Object:</strong> To evaluate CT Features on serial thin-section computed tomographic (CT) scans in patients with conventional Novel Coronavirus Pneumonia (COVID-19) for the period during which they... <strong>Object:</strong> To evaluate CT Features on serial thin-section computed tomographic (CT) scans in patients with conventional Novel Coronavirus Pneumonia (COVID-19) for the period during which they remained hospitalized. <strong>Methods:</strong> In this Retrospective study, we collected clinical information including Laboratory investigations and more importantly we focused on collecting imaging data of these 15 selected patients (8 men and 7 women, 22 - 70 years old, average age (45 <span style="white-space:nowrap;">±</span> 15)) with COVID-19 disease. The mean time between the initial and repeat thin-section CT scans was 3.3 <span style="white-space:nowrap;">±</span> 2.1 days, 7.9 <span style="white-space:nowrap;">±</span> 2.1 days, 14.2 <span style="white-space:nowrap;">±</span> 1.3 days after onset of symptoms in these 15 patients. Three experienced Radiologists reviewed the CT images independently and also in collaboration with each other for complicated or unique cases, for the Imaging characteristics like number and site of lesions, distribution of lesions whether it is lobular, lobar, unilateral or bilateral, and comparing the severity of disease in relation to the CT findings. The CT features were compared using the χ<sup>2</sup> test and <em>Fisher’s </em>exact probability.<strong> Results:</strong> All of 15 patients had a history of visit to the endemic center <em>i.e.</em> Wuhan city or came in direct contact with an infected individual. Fever (93.3%) was the most common symptom. Majority of patients had a normal white blood cell count, and normal lymphocyte count although there were patients with leucopenia and lymphocytopenia. CT images showed predominate Ground-Glass opacities in the initial and repeat CT scans with a percentage of 90.6%, 53.9%, 44.2% respectively during the three spaced CT examinations;most patients had bilateral lung involvement (60%, 93.3%, 93.3%), the lesions predominantly involved the posterior (87.5%, 71.9%, 76.6%) and peripheral (90.6%, 84.3%, 85.7%) part of the lungs. There were more consolidation and mixed patterns in repeat CT scan Versus initial CT scan, the difference was statistically significant (P-values were < 0.001). The total lung severity score in the three aforementioned timely spaced CT scans were 36 (3.3 <span style="white-space:nowrap;">±</span> 2.1 days) 63 (7.9 <span style="white-space:nowrap;">±</span> 2.1 days), and 57 (14.2 <span style="white-space:nowrap;">±</span> 1.3 days) respectively. The median percentage of pneumonia lesions of the whole lung volume in three times CT scan was 1.69% (4.59), 3.47% (5.46), 2.33% (4.75) respectively. Besides, “Tree-in-bud” sign, lung cavitation, and lymphadenopathy were absent. <strong>Conclusion:</strong> The Thin-slice Section CT Imaging features show uniquely different characteristics, each time the scans are taken. The most common findings in our study were bilateral multiple peripheral and mostly posterior ground-glass opacities (GGO), however the CT scan images that were taken in a timely manner to follow up demonstrated some remarkable changes, which undoubtedly play an important role in the diagnosis and management of the patient with COVID-19 disease. 展开更多
关键词 Novel Coronavirus Pneumonia (COVID-19) ct features Follow-Up Studies
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Early Imaging Features and Differential Diagnosis of Novel Coronavirus Pneumonia
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作者 Xiaofeng Jiang Xuyang Ma +6 位作者 Tao Zhang Yanliang Kong Lei Cai Lin Lv Yanli Shao Jiangtao Bai Lianfeng Liu 《Journal of Clinical and Nursing Research》 2020年第5期35-38,共4页
Objective:To discuss the early imaging features of novel coronary pneumonia(NCP)and its differential diagnosis with common pneumonia for the clinical Provide relatively correct imaging diagnosis.Methods:A review of 10... Objective:To discuss the early imaging features of novel coronary pneumonia(NCP)and its differential diagnosis with common pneumonia for the clinical Provide relatively correct imaging diagnosis.Methods:A review of 10 cases of novel coronavirus pneumonia diagnosed in our hospital and surrounding counties was collected,and our hospital's 2019-2020 Common pneumonia such as influenza A and B virus pneumonia,lobar pneumonia and adenovirus confirmed by laboratory tests and abnormal chest radiographs Ten patients each with pneumonia,a total of 40 patients,were collected and their imaging features were analyzed.Results:In 10 patients with neo-coronary pneumonia,there were 30 lesions on chest CT,with typical characteristic lesions containing bronchograms within their Angiographic thickening;located in the subpleura,with grinding glass-like or combined solid changes,referred to as"extratubular halo",with multifocal and multifocal distribution.Morphology or unilobular large lamellar foci without lymph node enlargement and pleural effusion;10 cases of influenza A and B virus pneumonia in chest CT performance In nine patients,the lesions were distributed in the subpleural or along the perimeter of the bronchial vessels in the form of an analogous circular ground-glass shadow,some of which was a small piece of solid shadow,1 The case involved a single lobe of the lung and showed a large mixed ground glass image,and the CT in 10 cases of lobar pneumonia showed that they all had a single large solid lobe The variegated shadow or patchy cloud with blurred margins was triangularly altered with the tip pointing to the lung portal,and there were five cases of air-containing bronchograms.Adenoviral pneumonia is more common in infants and young children,and CT showed single or multiple grinded glass images in both lungs with patchy solid variegated shadows and lobar distribution.Conclusion:NCP and common pneumonia have certain imaging features that,in combination with laboratory tests and epidemiologic history,allow a preliminary diagnosis to be made.It has certain directions and help for clinical diagnosis. 展开更多
关键词 NCP PNEUMONIA Differential diagnosis Laboratory examination ct features
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