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Updated: Dec 23, 2025

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
Published on: December 19, 2020
CT imaging of the COVID-19
Feng-Yan Zhang1, Ying Qiao1, Hui Zhang2
1Department of Radiology, First Clinical Medical College, Shanxi Medical University, Taiyuan, 030001, Shanxi Province, China.
Chest CT scans reveal key features of COVID-19 pneumonia, aiding early diagnosis. Characteristic findings like ground-glass opacity and consolidation help radiologists identify the disease.
Area of Science:
- Radiology
- Infectious Diseases
- Pulmonology
Background:
- The emergence of COVID-19 (Coronavirus Disease 2019) necessitated rapid diagnostic tools.
- Chest computed tomography (CT) plays a crucial role in identifying pneumonia patterns.
Observation:
- This report details the chest CT imaging findings in five confirmed COVID-19 cases.
- One patient presented with normal lung appearance on CT.
Findings:
- Four out of five patients exhibited characteristic CT features of COVID-19 pneumonia.
- These features included ground-glass opacity (GGO), consolidation, and the "atoll sign."
- Lesions were predominantly located in the peripheral lung zones.
Implications:
- Recognizing these CT patterns can significantly aid radiologists in the early detection and diagnosis of COVID-19.
- Understanding imaging manifestations is vital for managing this global health emergency.
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