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Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
08:05

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia

Published on: December 19, 2020

14.4K

Systematic review and meta-analysis of the CT imaging characteristics of infectious pneumonia

Yali Liu1, Xiaohuan Zhou2, Xiao Liu1

  • 1Pingdingshan University Medical College, Pingdingshan, China; Philippine Women's University School of Nursing, Manila, Philippines.

Annals of Palliative Medicine
|November 12, 2021
PubMed

Insights

Computed tomography (CT) scans reveal common signs of COVID-19 pneumonia, including ground-glass opacity and pleural thickening. These CT findings are crucial for diagnosing infectious pneumonia caused by SARS-CoV-2.

Area of Science:

  • Radiology
  • Infectious Diseases
  • Pulmonology

Background:

  • The emergence of COVID-19 (Coronavirus Disease 2019) in Wuhan, China, in December 2019, led to a global health crisis.
  • Early studies on COVID-19 clinical characteristics had limited sample sizes and varied findings.
  • Accurate diagnosis and understanding of disease patterns are essential for patient management.

Purpose of the Study:

  • To systematically review and synthesize the computed tomography (CT) imaging findings in patients with COVID-19.
  • To identify the most common and characteristic CT signs associated with SARS-CoV-2 infection.
  • To evaluate the utility of CT in diagnosing infectious pneumonia.

Main Methods:

  • A comprehensive literature search was conducted in Chinese and English databases.
  • Keywords included "Infectious pneumonia", "COVID-19", "CT", "SARS-CoV-2", and "Diagnose".
  • Meta-analysis was performed using Rev Man 5.3 software to assess the quality of included studies and synthesize results.

Main Results:

  • Ground-glass opacity was the most frequent CT finding (95% CI: 0.79-0.97).
  • Other common signs included vascular thickening (95% CI: 0.63-0.78) and pleural thickening (95% CI: 0.02-0.15).
  • Lesions were predominantly subpleural and often distributed within a single lobe, with various morphologies like patchy and nodular patterns.

Conclusions:

  • Ground-glass opacity is a typical CT manifestation of COVID-19 pneumonia.
  • CT imaging plays a vital role in the diagnosis of SARS-CoV-2 infection.
  • Understanding these CT patterns aids in early detection and management of infectious pneumonia.
Abstract

Keywords:
Computed tomography (CT)imaginginfectious pneumonia

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