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Updated: May 12, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
[Interstitial lung disease in polymyositis/dermatomyositis]
1Klinik für Rheumatologie und Innere Medizin, Sana Gelenk- und Rheumazentrum Baden-Württemberg, König-Karl-Str. 5, 75323 Bad Wildbad, Deutschland. armin.schnabel@sana.de
Interstitial lung disease (ILD) affects 40% of polymyositis/dermatomyositis (PM/DM) patients, often presenting as non-specific interstitial pneumonia. Early diagnosis via autoantibody testing, spirometry, and HRCT is crucial for managing this inflammatory lung condition.
Area of Science:
- Rheumatology
- Pulmonology
- Immunology
Context:
- 40% of polymyositis/dermatomyositis (PM/DM) patients exhibit interstitial lung disease (ILD).
- Non-specific interstitial pneumonia is the most common histopathological type, featuring significant inflammation.
- Early detection is key for managing PM/DM-associated ILD.
Purpose:
- To outline the diagnostic utility of clinical, HRCT, and BAL findings in early ILD stages.
- To provide an overview of current therapeutic strategies for ILD in PM/DM patients.
- To discuss the prognostic value of diagnostic findings in ILD.
Summary:
- Comprehensive screening reveals ILD in 40% of PM/DM patients, predominantly as non-specific interstitial pneumonia.
- Diagnostic tools include autoantibody testing, spirometry (CO diffusion capacity), and high-resolution computed tomography (HRCT).
- Clinical, HRCT, and bronchoalveolar lavage (BAL) findings aid in prognostication and treatment selection.
Impact:
- Facilitates earlier diagnosis and intervention for ILD in PM/DM.
- Improves prognostic assessment through integrated diagnostic findings.
- Informs current treatment options for better patient outcomes in PM/DM-associated ILD.
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