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. 2020 Apr 20;2(2):e200130. doi: 10.1148/ryct.2020200130

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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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Unenhanced CT of the chest of a 53-year-old woman with confirmed COVID-19 pneumonia. Bilateral peripheral patchy mixed consolidation and ground-glass opacities are shown, with areas of subpleural sparing (arrowheads). Note the classic reverse halo sign on the left side (arrow).