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World J Radiol. Oct 28, 2021; 13(10): 327-343
Published online Oct 28, 2021. doi: 10.4329/wjr.v13.i10.327
COVID-19 pneumonia: A review of typical radiological characteristics
María Churruca, Elisa Martínez-Besteiro, Felipe Couñago, Pedro Landete
María Churruca, Elisa Martínez-Besteiro, Pulmonology Department, Hospital Universitario de La Princesa, Madrid 28006, Spain
Felipe Couñago, Department of Radiation Oncology, Hospital Universitario Quirónsalud Madrid, Madrid 28223, Spain
Felipe Couñago, Department of Radiation Oncology, Hospital La Luz, Madrid 28003, Spain
Felipe Couñago, Clinical Department, Faculty of Biomedicine,Universidad Europea de Madrid, Madrid 28670, Spain
Pedro Landete, Department of Pneumology, Hospital Universitario de la Princesa, Universidad Autónoma de Madrid, Madrid 28006, Spain
Author contributions: All authors contributed to this paper with conception and design of the manuscript, literature review and analysis, drafting and critical revision and editing, and final approval of the final version.
Conflict-of-interest statement: Authors declare no potential conflict of interests for this article.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: María Churruca, MD, Doctor, Pulmonology Department, Hospital Universitario de La Princesa, Diego de León 62, Madrid 28006, Spain. mchurrucaarrospide@gmail.com
Received: January 25, 2021
Peer-review started: January 25, 2021
First decision: March 1, 2021
Revised: March 8, 2021
Accepted: September 14, 2021
Article in press: September 14, 2021
Published online: October 28, 2021
Core Tip

Core Tip: Severe acute respiratory syndrome coronavirus-2 is a single-stranded RNA virus that was first isolated in December 2019. Currently, the reverse transcription-polymerase chain reaction test, performed on respiratory samples collected in suspected coronavirus disease 2019 (COVID-19) patients, is the gold standard diagnostic technique. Chest X-ray or computed tomography (CT) are the main imaging tests used to diagnose COVID-19 pneumonia, with ground-glass opacities and consolidations being the major imaging features encountered. There are other radiological modalities, such as lung ultrasonography and combined positron emission tomography-CT, that can provide further information for initial assessment and follow-up treatment response.