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Best practice: international multisociety consensus statement for Post-COVID-19 residual abnormalities on chest CT scans

Residual lung abnormalities on CT scans after COVID-19 respiratory infection may be associated with persistent or progressive respiratory symptoms and frequently correlate with abnormal pulmonary function testing results. These abnormalities have been described using varying terms in numerous public...

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Main Authors: Yoon, Soon Ho (Author) , Kanne, Jeffrey P. (Author) , Ashizawa, Kazuto (Author) , Biederer, Jürgen (Author) , Castañer, Eva (Author) , Fan, Li (Author) , Frauenfelder, Thomas (Author) , Ghaye, Benoit (Author) , Henry, Travis S. (Author) , Huang, Yu-Sen (Author) , Jeong, Yeon Joo (Author) , Kay, Fernando U. (Author) , Kligerman, Seth (Author) , Ko, Jane P. (Author) , Parkar, Anagha P. (Author) , Piyavisetpat, Nitra (Author) , Prosch, Helmut (Author) , Raptis, Constantine A. (Author) , Simpson, Scott (Author) , Tanaka, Nobuyuki (Author) , Brown, Kevin K. (Author) , Inoue, Yoshikazu (Author) , Sandbo, Nathan (Author) , Richeldi, Luca (Author) , Larici, Anna Rita (Author)
Format: Article (Journal)
Language:English
Published: July 22, 2025
In: Radiology
Year: 2025, Volume: 316, Issue: 1, Pages: 1-10
ISSN:1527-1315
DOI:10.1148/radiol.243374
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1148/radiol.243374
Verlag, kostenfrei, Volltext: https://pubs.rsna.org/doi/10.1148/radiol.243374
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Author Notes:Soon Ho Yoon, MD, PhD, Jeffrey P. Kanne, MD, Kazuto Ashizawa, MD, PhD, Jürgen Biederer, MD, Eva Castañer, MD, PhD, Li Fan, MD, Thomas Frauenfelder, MD, Benoit Ghaye, Md, PhD, Travis S. Henry, MD, Yu-Sen Huang, MD, PhD, Yeon Joo Jeong, MD, PhD, Fernando U. Kay, MD, PhD, Seth Kligerman, MD, Jane P. Ko, MD, Anagha P. Parkar, MD, PhD, Nitra Piyavisetpat, MD, Helmut Prosch, MD, Constantine A. Raptis, MD, Scott Simpson, DO, Nobuyuki Tanaka, MD, Kevin K. Brown, MD, Yoshikazu Inoue, MD, PhD, Nathan Sandbo, MD, Luca Richeldi, MD, PhD, Anna Rita Larici, MD
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Summary:Residual lung abnormalities on CT scans after COVID-19 respiratory infection may be associated with persistent or progressive respiratory symptoms and frequently correlate with abnormal pulmonary function testing results. These abnormalities have been described using varying terms in numerous publications. Chest CT lung abnormalities after COVID-19 infection tend to stabilize or regress over time, indicating that they are nonprogressive and postinfectious in nature. This multisociety consensus statement, developed by 21 thoracic radiologists from the European Society of Thoracic Imaging, the Society of Thoracic Radiology, and the Asian Society of Thoracic Radiology with a two-round survey process, aims to standardize the indication, acquisition, and reporting of post-COVID-19 residual lung abnormalities on CT scans. Key recommendations include performing chest CT in patients with persistent or progressive respiratory symptoms 3 months after infection, using low-dose CT protocols (range, 1-3 mSv) for follow-up chest CT examinations, using Fleischner Society glossary of terms for radiologic descriptors, and avoiding the term interstitial lung abnormality to describe post-COVID-19 abnormalities. Instead, to prevent misinterpreting post-COVID-19 abnormalities as an early manifestation of interstitial lung disease, use the term post-COVID-19 residual lung abnormality. This consensus statement will help harmonize radiology practice and research for the substantial number of affected patients.
Item Description:Gesehen am 20.01.2026
Physical Description:Online Resource
ISSN:1527-1315
DOI:10.1148/radiol.243374

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