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Updated: Aug 5, 2026
04:44
Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
[Atypical forms of sarcoidosis]
1Service de Pneumologie, Hôpital Avicenne, 93009 Bobigny.
Annales De Medecine Interne
|March 10, 2001
Summary
Atypical sarcoidosis presents with varied symptoms, often involving the lungs and mediastinum. Diagnosis requires rigorous work-up, including pathological confirmation of non-caseous tuberculoid granuloma.
Area of Science:
- Pulmonology
- Pathology
- Radiology
Context:
- Sarcoidosis frequently affects the mediastinum and lungs (90% of cases).
- Atypical presentations can include hemoptysis, chest pain, and pleural or bronchial involvement.
- Radiographic findings may show diffuse "unpolished glass" opacities or air cavities.
Purpose:
- To highlight the diverse atypical manifestations of sarcoidosis.
- To emphasize the necessity of a thorough diagnostic approach for unusual sarcoidosis forms.
- To underscore the importance of pathological confirmation and considering systemic dissemination.
Summary:
- Atypical sarcoidosis encompasses a broad spectrum of clinical presentations beyond typical lung involvement.
- Mediastinum-lung disease can manifest as hemoptysis, chest pain, or specific pleural/bronchial issues, with characteristic radiographic findings.
- Extra-thoracic sarcoidosis requires careful pathological evaluation against multi-organ dissemination for accurate diagnosis.
Impact:
- Improved recognition and diagnosis of rare sarcoidosis presentations.
- Guidance for clinicians on necessary diagnostic steps for atypical sarcoidosis.
- Enhanced understanding of sarcoidosis's systemic nature and diagnostic challenges.
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