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. 2020 May 14;297(3):E335–E338. doi: 10.1148/radiol.2020201955

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2020 by the Radiological Society of North America, Inc.

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Flowchart depicts patient population. Limited pulmonary CT angiography was defined by respiratory motion and poor contrast opacification. Nine patients who tested positive for coronavirus disease 2019 (COVID-19) underwent multiple pulmonary CT angiography examinations and only the most recent study was used as a reference point in analysis. PCR = polymerase chain reaction, RT-PCR = reverse transcriptase polymerase chain reaction.