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Related Experiment Videos

High resolution computed tomography in early scleroderma lung disease.

J H Warrick1, M Bhalla, S I Schabel

  • 1Department of Medicine, Medical University of South Carolina, Charleston 29425.

The Journal of Rheumatology
|October 1, 1991
PubMed
Summary

High-resolution computed tomography (HRCT) detects early lung disease in systemic sclerosis (SSc) more effectively than chest radiography. HRCT findings, like ground glass opacities, may indicate active inflammation, but do not correlate with disease duration or severity.

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Area of Science:

  • Radiology
  • Pulmonology
  • Rheumatology

Background:

  • Systemic sclerosis (SSc) frequently involves the lungs, leading to interstitial lung disease (ILD).
  • Early detection of SSc-ILD is crucial for management.
  • Pulmonary function tests (PFTs) and chest radiography (CXR) have limitations in detecting early changes.

Purpose of the Study:

  • To evaluate the utility of high-resolution computed tomography (HRCT) in detecting early interstitial lung disease in patients with SSc.
  • To compare HRCT findings with routine chest radiography (CXR), dyspnea scores, and pulmonary function tests (PFTs).
  • To investigate the relationship between HRCT findings and bronchoalveolar lavage (BAL) results.

Main Methods:

  • Seventeen patients with early SSc underwent HRCT of the chest.

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  • Patients were assessed for dyspnea score and had routine CXR.
  • BAL was performed in 10 patients.

    • Main Results:

    • HRCT revealed abnormalities in 88% of patients, compared to 59% with abnormal CXR.
    • Mediastinal lymphadenopathy was observed in 41% of patients.
    • Ground glass opacities on HRCT correlated with higher BAL cell counts, particularly lymphocytes, suggesting active alveolitis.

    Conclusions:

    • HRCT is superior to CXR for identifying early ILD in SSc.
    • HRCT findings, including ground glass opacities and lymphadenopathy, may reflect active pulmonary inflammation in SSc.
    • Disease duration, dyspnea, and FVC showed poor correlation with HRCT findings in early SSc.