Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
권호 표지
DOI QR코드

DOI QR Code

Differences and Similarities between the Double Halo Sign, the Chest CT Target Sign and the Reversed Halo Sign in Patients with COVID-19 Pneumonia

  • Received : 2020.09.21
  • Accepted : 2020.10.08
  • Published : 2021.04.01
Download PDF
⟨ Previous Next ⟩

Abstract

Keywords

References

  1. Poerio A, Sartoni M, Lazzari G, Valli M, Morsiani M, Zompatori M. Halo, reversed halo, or both? Atypical computed tomography manifestations of coronavirus disease (COVID-19) pneumonia: the "double halo sign". Korean J Radiol 2020;21:1161-1164 https://doi.org/10.3348/kjr.2020.0687
  2. Godoy MC, Viswanathan C, Marchiori E, Truong MT, Benveniste MF, Rossi S, et al. The reversed halo sign: update and differential diagnosis. Br J Radiol 2012;85:1226-1235 https://doi.org/10.1259/bjr/54532316
  3. Marchiori E, Nobre LF, Hochhegger B, Zanetti G. The reversed halo sign: considerations in the context of the COVID-19 pandemic. Thromb Res 2020;195:228-230 https://doi.org/10.1016/j.thromres.2020.08.001
  4. Sales AR, Casagrande EM, Hochhegger B, Zanetti G, Marchiori E. Reversed halo sign and COVID-19: possible histopathological mechanisms related to the appearance of this imaging finding. Arch Bronconeumol 2020 Jul [Epub]. https://doi. org/10.1016/j.arbres.2020.06.029
  5. Hansell DM, Bankier AA, MacMahon H, McLoud TC, Müller NL, Remy J. Fleischner Society: glossary of terms for thoracic imaging. Radiology 2008;246:697-722 https://doi.org/10.1148/radiol.2462070712
  6. Mancano AD, Rodrigues RS, Barreto MM, Zanetti G, Moraes TC, Marchiori E. Incidence and morphological characteristics of the reversed halo sign in patients with acute pulmonary embolism and pulmonary infarction undergoing computed tomography angiography of the pulmonary arteries. J Bras Pneumol 2019;45:e20170438 https://doi.org/10.1590/1806-3713/e20170438
  7. Muller CIS, Muller NL. Chest CT target sign in a couple with COVID-19 pneumonia. Radiol Bras 2020;53:252-254  https://doi.org/10.1590/0100-3984.2020.0089
  8. Shaghaghi S, Daskareh M, Irannejad M, Shaghaghi M, Kamel IR. Target-shaped combined halo and reversed-halo sign, an atypical chest CT finding in COVID-19. Clin Imaging 2020;69:72-74 https://doi.org/10.1016/j.clinimag.2020.06.038
  9. Gorkem SB, Cetin BS. COVID-19 pneumonia in a Turkish child presenting with abdominal complaints and reversed halo sign on thorax CT. Diagn Interv Radiol 2020 Jun [Epub]. https:// doi.org/10.5152/dir.2020.20361
  10. Simpson S, Kay FU, Abbara S, Bhalla S, Chung JH, Chung M, et al. Radiological Society of North America expert consensus statement on reporting chest CT findings related to COVID-19 endorsed by the Society of Thoracic Radiology, the American College of Radiology, and RSNA. J Thorac Imaging 2020;35:219-227 https://doi.org/10.1097/RTI.0000000000000524
  11. Ujita M, Renzoni EA, Veeraraghavan S, Wells AU, Hansell DM. Organizing pneumonia: perilobular pattern at thin-section CT. Radiology 2004;232:757-761 https://doi.org/10.1148/radiol.2323031059
  12. Faria IM, Zanetti G, Barreto MM, Rodrigues RS, AraujoNeto CA, Silva JL, et al. Organizing pneumonia: chest HRCT findings. J Bras Pneumol 2015;41:231-237 https://doi.org/10.1590/S1806-37132015000004544
  13. Flikweert AW, Grootenboers MJJH, Yick DCY, du Mee AWF, van der Meer NJM, Rettig TCD, et al. Late histopathologic characteristics of critically ill COVID-19 patients: different phenotypes without evidence of invasive aspergillosis, a case series. J Crit Care 2020;59:149-155 https://doi.org/10.1016/j.jcrc.2020.07.002
  14. Marchiori E, Zanetti G, Fontes CA, Santos ML, Valiante PM, Mano CM, et al. Influenza A (H1N1) virus-associated pneumonia: high-resolution computed tomography-pathologic correlation. Eur J Radiol 2011;80:e500-504 https://doi.org/10.1016/j.ejrad.2010.10.003