Simultaneous presence of the “bullseye” and “reversed halo” sign at CT of COVID-19 pneumonia: A case report

The “bullseye” sign has been exclusively reported in patients suffering from coronavirus disease 2019 (COVID-19) pneumonia. It is theorized that this newly recognized computed tomography (CT) feature represents a sign of organizing pneumonia. Well established signs of organizing pneumonia also repor...

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Bibliographic Details
Published in:Radiology case reports 2021-09, Vol.16 (9), p.2442-2446
Main Authors: Giannakis, Athanasios, Móré, Dorottya, Mangold, David Lukas, von Stackelberg, Oyunbileg, Rubtsov, Roman, Heussel, Claus Peter, Kauczor, Hans-Ulrich, Wielpütz, Mark Oliver, Hellbach, Katharina
Format: Article
Language:English
Subjects:
Bullseye
Case Report
COVID-19
Organizing pneumonia
Pneumonia
Reversed halo
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Summary:The “bullseye” sign has been exclusively reported in patients suffering from coronavirus disease 2019 (COVID-19) pneumonia. It is theorized that this newly recognized computed tomography (CT) feature represents a sign of organizing pneumonia. Well established signs of organizing pneumonia also reported in COVID-19 patients include linear opacities, the “reversed halo” sign (or “atoll” sign), and a perilobular distribution of abnormalities. These findings are usually present on imaging in the intermediate and late stage of the disease. This is a case of simultaneous presence of the “bullseye” and the “reversed halo” sign on chest CT images of a COVID-19 patient examined 22 days after symptom onset.
ISSN:1930-0433
1930-0433
DOI:10.1016/j.radcr.2021.05.074