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Updated: Dec 12, 2025

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
Published on: December 19, 2020
Current Status of Etiology, Epidemiology, Clinical Manifestations and Imagings for COVID-19
Meng Di Jiang1, Zi Yue Zu1, U Joseph Schoepf2
1Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
Insights
Chest CT scans are crucial for identifying Coronavirus disease 2019 (COVID-19), assessing its severity, and monitoring its progression. This review offers radiologists updated knowledge on COVID-19 imaging.
Area of Science:
- Radiology
- Infectious Diseases
- Medical Imaging
Background:
- Coronavirus disease 2019 (COVID-19) is a global pandemic originating in Wuhan, China.
- Chest CT imaging has become essential for COVID-19 diagnosis and management.
- Existing knowledge on COVID-19 etiology, epidemiology, and pathology is rapidly expanding.
Purpose of the Study:
- To provide radiologists with an updated framework for understanding COVID-19.
- To consolidate essential knowledge regarding the role of imaging in COVID-19.
- To highlight the importance of recognizing extrapulmonary manifestations and complications.
Main Methods:
- Review of published literature on COVID-19.
- Analysis of the role of chest CT in disease identification and monitoring.
- Synthesis of current understanding of COVID-19's imaging spectrum.
Main Results:
- Chest CT is vital for early identification, severity assessment, and disease course monitoring of COVID-19.
- Published data has significantly advanced understanding of COVID-19's characteristics.
- The imaging spectrum of COVID-19 is evolving, necessitating attention to extrapulmonary findings.
Conclusions:
- Radiologists require updated knowledge to effectively manage COVID-19 patients.
- Chest CT plays a pivotal role throughout the patient care pathway for COVID-19.
- Continued research is needed to fully define the imaging features and complications of COVID-19.
Abstract:
Coronavirus disease 2019 (COVID-19) is a transmissible respiratory disease that was initially reported in Wuhan, China in December 2019. With the alarming levels of COVID-19 spread worldwide, the World Health Organization characterized COVID-19 as a pandemic. Over the past several months, chest CT has played a vital role in early identification, disease severity assessment, and dynamic disease course monitoring of COVID-19. The published data has enriched our knowledge on the etiology, epidemiology, clinical manifestations, and pathologic findings of COVID-19. Additionally, as the imaging spectrum of the disease continues to be defined, extrapulmonary infections or other complications will require further attention. This review aims to provide an updated framework and essential knowledge with which radiologists can better understand COVID-19.
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