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Related Experiment Videos

SARS: radiological features.

Gaik Cheng Ooi1, Ma Daqing

  • 1Department of Diagnostic Radiology, The University of Hong Kong, Queen Mary Hospital, Pokfulam Road, Hong Kong SAR, China. cgcooi@hkucc.hku.hk

Respirology (Carlton, Vic.)
|March 17, 2004
PubMed
Summary
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Severe acute respiratory syndrome (SARS) causes air-space disease, often presenting as ground-glass opacities on chest imaging. High-resolution computed tomography (HRCT) aids in early diagnosis and management of this potentially progressive lung condition.

Area of Science:

  • Radiology
  • Pulmonology
  • Infectious Diseases

Background:

  • Air-space disease is characteristic of severe acute respiratory syndrome (SARS), often mimicking other pneumonias.
  • Radiographic findings typically include progressive ground-glass opacities and consolidation.

Purpose of the Study:

  • To describe the typical radiographic and HRCT findings in SARS.
  • To highlight the role of imaging in early diagnosis and management.

Main Methods:

  • Review of chest radiographs and HRCT scans in patients with SARS.
  • Correlation of imaging findings with clinical and laboratory parameters.

Main Results:

  • Ground-glass opacities progress to consolidation, often becoming bilateral.

Related Experiment Videos

  • Radiographic opacities peak around 8-10 days post-illness onset.
  • HRCT shows ground-glass opacities with septal thickening, potentially with irreversible changes.

    • Conclusions:

    • Imaging is crucial for diagnosing SARS, especially with a relevant exposure history.
    • HRCT is valuable for confirming airspace disease and guiding early treatment and isolation.
    • Temporal changes on HRCT suggest potential for non-reversible lung opacities in SARS.