• Kristine E Konopka, Allecia Wilson, and Jeffrey L Myers.
• Department of Pathology, University of Michigan, Ann Arbor, MI. Electronic address: krkonopk@med.umich.edu.
• Chest. 2020 Sep 1; 158 (3): e99-e101.

AbstractAsthma is increasingly recognized as an underlying risk factor for severe respiratory disease in patients with coronavirus disease 2019 (COVID-19), particularly in the United States. Here, we report the postmortem lung findings from a 37-year-old man with asthma, who met the clinical criteria for severe acute respiratory distress syndrome and died of COVID-19 less than 2 weeks after presentation to the hospital. His lungs showed mucus plugging and other histologic changes attributable to asthma, as well as early diffuse alveolar damage and a fibrinous pneumonia. The presence of diffuse alveolar damage is similar to descriptions of autopsy lung findings from patients with severe acute respiratory syndrome coronavirus and Middle East respiratory syndrome coronavirus, and the absence of a neutrophil-rich acute bronchopneumonia differs from the histologic changes typical of influenza. The relative contribution of mucus plugging to his hypoxemia is unknown.© 2020 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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