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Updated: Sep 4, 2025

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Environmental and occupational exposures in interstitial lung disease
Cathryn T Lee1, Johanna Feary2,3, Kerri A Johannson4,5
1Department of Medicine, University of Chicago, Chicago, Illinois, USA.
Environmental and occupational exposures are increasingly linked to interstitial lung diseases (ILDs). Understanding these exposures is crucial for preventing and managing these debilitating lung conditions.
Area of Science:
- Pulmonary Medicine
- Environmental Health
- Occupational Medicine
Background:
- Environmental and occupational exposures are increasingly recognized as significant contributors to interstitial lung diseases (ILDs).
- These exposures range from direct causes, like pneumoconioses, to contributing factors in conditions such as idiopathic pulmonary fibrosis (IPF).
- Prevalence of exposure is noted across all studied ILD subtypes.
Purpose of the Study:
- To review recent advances in understanding the role of environmental and occupational exposures in ILD development.
- To outline methods for evaluating patients for potential causative exposures.
- To highlight the importance of exposure identification for disease prevention and management.
Main Methods:
- Review of emerging literature on environmental and occupational exposures and ILDs.
- Analysis of the causal and contributory roles of various exposures in ILD pathogenesis.
- Discussion of current approaches to patient exposure evaluation.
Main Results:
- Environmental and occupational exposures are prevalent in ILD patients and can be directly causal or contributing factors.
- Novel exposure-disease associations are continually being discovered.
- Exposures are implicated across the spectrum of ILD subtypes.
Conclusions:
- Inhalational exposures are a critical factor in ILD development, offering avenues for pathobiology research and disease prevention.
- Prospective, comprehensive data collection on patient exposures is essential for identifying specific antigens and their impact on ILD incidence and outcomes.
- Systematic exposure data can guide interventions to mitigate disease progression and improve outcomes for patients with progressive and fatal lung diseases.
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