• Korean J Radiol · Oct 2020

    Case Reports

    Halo, Reversed Halo, or Both? Atypical Computed Tomography Manifestations of Coronavirus Disease (COVID-19) Pneumonia: The "Double Halo Sign".

    • Antonio Poerio, Matilde Sartoni, Giammichele Lazzari, Michele Valli, Miria Morsiani, and Maurizio Zompatori.
    • Radiology Unit, S. Maria della Scaletta Hospital, Imola, Italy. a.poerio@ausl.imola.bo.it.
    • Korean J Radiol. 2020 Oct 1; 21 (10): 1161-1164.

    AbstractThe epidemic of 2019 novel coronavirus, later named as coronavirus disease (COVID-19), began in Wuhan, China in December 2019 and has spread rapidly worldwide. Early diagnosis is crucial for the management of the patients with COVID-19, but the gold standard diagnostic test for this infection, the reverse transcriptase polymerase chain reaction, has a low sensitivity and an increased turnaround time. In this scenario, chest computed tomography (CT) could play a key role for an early diagnosis of COVID-19 pneumonia. Here, we have reported a confirmed case of COVID-19 with an atypical CT presentation showing a "double halo sign," which we believe represents the pathological spectrum of this viral pneumonia.Copyright © 2020 The Korean Society of Radiology.

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