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Home NEWS Science News Health

CT of coronavirus disease (COVID-19) versus CT of influenza virus pneumonia

Bioengineer by Bioengineer
July 9, 2020
in Health
Reading Time: 3 mins read
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Most COVID-19 lesions located in peripheral zone and close to pleura; influenza virus more prone to show mucoid impaction and pleural effusion

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Credit: American Journal of Roentgenology (AJR)

Leesburg, VA, July 9, 2020–An open-access American Journal of Roentgenology (AJR) article investigating the differences in CT findings between coronavirus disease (COVID-19) pneumonia and influenza virus pneumonia found that most lesions from COVID-19 were located in the peripheral zone and close to the pleura, whereas influenza virus was more prone to show mucoid impaction and pleural effusion.

“However,” lead author Liaoyi Lin of China’s First Affiliated Hospital of Wenzhou Medical University cautioned, “differentiating between COVID-19 pneumonia and influenza virus pneumonia in clinical practice remains difficult.”

A total of 97 patients (49 women, 48 men) were enrolled in this study. Of them, 52 patients (29 men, 23 women; age range, 21-73 years) had COVID-19 pneumonia; 45 patients (26 women, 19 men; age range, 15-76 years) had influenza virus pneumonia (28, influenza A; 17, influenza B). All patients had positive nucleic acid testing results for the respective viruses, as well as complete clinical data and CT images.

According to Lin and colleagues: “Between the group of patients with COVID-19 pneumonia and the group of patients with influenza virus pneumonia, the largest lesion close to the pleura (i.e., no pulmonary parenchyma between the lesion and the pleura), mucoid impaction, presence of pleural effusion, and axial distribution showed statistical difference (p

Meanwhile, Lin et al. noted that the properties of the largest lesion, presence of ground-glass opacities, consolidation, mosaic attenuation, bronchial wall thickening, centrilobular nodules, interlobular septal thickening, crazy paving pattern, air bronchogram, unilateral or bilateral distribution, and longitudinal distribution did not show significant differences (p > 0.05).

Additionally, the authors observed no significant difference (p > 0.05) in CT score, length of the largest lesion, mean density, volume, or mass of the lesions between the two groups.

Because the CT manifestations of COVID-19 and influenza virus so often overlap, “even with the characteristics evaluated using AI software,” Lin et al. wrote, “no significant differences were detected.”

Thus, the authors of this AJR article concluded that the more important role of CT during the present pandemic is in finding lesions and evaluating the effects of treatment.

###

Founded in 1900, the American Roentgen Ray Society (ARRS) is the first and oldest radiological society in North America, dedicated to the advancement of medicine through the profession of radiology and its allied sciences. An international forum for progress in medical imaging since the discovery of the x-ray, ARRS maintains its mission of improving health through a community committed to advancing knowledge and skills with an annual scientific meeting, monthly publication of the peer-reviewed American Journal of Roentgenology (AJR), quarterly issues of InPractice magazine, AJR Live Webinars and Podcasts, topical symposia, print and online educational materials, as well as awarding scholarships via The Roentgen FundĀ®.

Media Contact
Logan K. Young
[email protected]

Original Source

https://arrs.org/ARRSLIVE/Pressroom/PressReleases/CT_Coronavirus_Disease_COVID-19_Versus_Influenza_Virus_Pneumonia.aspx

Related Journal Article

http://dx.doi.org/10.2214/AJR.20.23304

Tags: Critical Care/Emergency MedicineDiagnosticsEpidemiologyGerontologyInternal MedicineMedical/Scientific EthicsMedicine/HealthPediatricsPublic HealthPulmonary/Respiratory Medicine
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