Abstract
We herein report a fatal case of coronavirus disease 2019 (COVID-19) pneumonia with rapid progression of respiratory failure and lymphopenia. Excessive recruitment and sequestration of lymphocytes in the lung were suggested as the pathophysiology underlying COVID-19-associated lymphopenia. Interestingly, the autopsy in this case revealed lymphocytic infiltration in the lungs even at sites that appeared normal on autopsy imaging. These findings suggest that in COVID-19 cases with risk factors of severe exacerbation, early glucocorticoid administration should be considered, especially if lymphopenia is present, even if the imaging findings show only mild abnormalities.
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