Imaging of COVID-19: An update of current evidences - 02/06/21

Doi : 10.1016/j.diii.2021.05.006

Shingo Kato ^a,⁎ , Yoshinobu Ishiwata ^a, Ryo Aoki ^b, Tae Iwasawa ^c, Eri Hagiwara ^d, Takashi Ogura ^d, Daisuke Utsunomiya ^a
^a Department of Diagnostic Radiology, Yokohama City University Graduate School of Medicine, 236-0004 Yokohama, Kanagawa, Japan
^b Department of Diagnostic Radiology, Yokohama City University Medical Center, 232-0024 Yokohama, Kanagawa, Japan
^c Department of Diagnostic Radiology, Kanagawa Cardiovascular and Respiratory Center, 236-0051 Yokohama, Kanagawa, Japan
^d Department of Respiratory Medicine, Kanagawa Cardiovascular and Respiratory Center, 236-0051 Yokohama, Kanagawa, Japan

^⁎Corresponding author.

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Highlights

•	Infection control inside CT suites is very important in the era of COVID-19.
•	Alveolar collapse and vascular enlargement can be clearly detected by ultra-high resolution computed tomography.
•	Cardiac MRI is useful to detect cardiac involvement in patients with COVID-19.
•	Artificial intelligence may improve the diagnostic process and quantification of disease severity in patients with COVID-19.

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Abstract

Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has been reported as a global emergency. As respiratory dysfunction is a major clinical presentation of COVID-19, chest computed tomography (CT) plays a central role in the diagnosis and management of patients with COVID-19. Recent advances in imaging approaches using artificial intelligence have been essential as a quantification and diagnostic tool to differentiate COVID-19 from other respiratory infectious diseases. Furthermore, cardiovascular involvement in patients with COVID-19 is not negligible and may result in rapid worsening of the disease and sudden death. Cardiac magnetic resonance imaging can accurately depict myocardial involvement in SARS-CoV-2 infection. This review summarizes the role of the radiology department in the management and the diagnosis of COVID-19, with a special emphasis on ultra-high-resolution CT findings, cardiovascular complications and the potential of artificial intelligence.

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Keywords : COVID-19, Computed tomography, Cardiac magnetic resonance, Artificial intelligence, Pulmonary embolism

Abbreviations : ACE2, COVID-19, CO-RADS, CT, DVT, MRI, PCR, PE, PPE, RT, SARS-CoV-2, U-HRCT, VTE