• Stephen Machnicki, Dhara Patel, Anup Singh, Arunabh Talwar, Bushra Mina, Margarita Oks, Priyanka Makkar, David Naidich, Atul Mehta, Nicholas S Hill, Kevin K Brown, and Suhail Raoof.
• Department of Radiology, Lenox Hill Hospital, Northwell Health Physician Partners, New York, NY.
• Chest. 2021 Aug 1; 160 (2): 652670652-670.

AbstractThe COVID-19 pandemic has had devastating medical and economic consequences globally. The severity of COVID-19 is related, in a large measure, to the extent of pulmonary involvement. The role of chest CT imaging in the management of patients with COVID-19 has evolved since the onset of the pandemic. Specifically, the description of CT scan findings, use of chest CT imaging in various acute and subacute settings, and its usefulness in predicting chronic disease have been defined better. We performed a review of published data on CT scans in patients with COVID-19. A summary of the range of imaging findings, from typical to less common abnormalities, is provided. Familiarity with these findings may facilitate the diagnosis and management of this disease. A comparison of sensitivity and specificity of chest CT imaging with reverse-transcriptase polymerase chain reaction testing highlights the potential role of CT imaging in difficult-to-diagnose cases of COVID-19. The usefulness of CT imaging to assess prognosis, to guide management, and to identify acute pulmonary complications associated with SARS-CoV-2 infection is highlighted. Beyond the acute stage, it is important for clinicians to recognize pulmonary parenchymal abnormalities, progressive fibrotic lung disease, and vascular changes that may be responsible for persistent respiratory symptoms. A large collection of multi-institutional images were included to elucidate the CT scan findings described.Copyright © 2021 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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