This document summarizes interstitial lung disease (ILD) and occupational lung disease. ILD is characterized by diffuse involvement of the interstitium and includes idiopathic pulmonary fibrosis. Occupational lung disease results from inhalation of noxious substances at work and includes pneumoconiosis like coal worker's pneumoconiosis, silicosis, and asbestosis. Diagnosis involves clinical evaluation, imaging like chest X-ray and HRCT, and may include procedures like bronchoscopy and biopsy. Treatment depends on underlying cause but often includes avoiding further exposure and supplemental oxygen.
8. Pneumoconiosis
Chronic fibrotic lung diseases caused by
inhalation of coal or other inorganic
or silicate dusts
Manifestation- as in ILD
Dx- exposure + clinical + CxR/HRCT
Rx-
Supportive
Avoid exposure
No smoking
9. Coal-worker’s
pneumoconiosis
Ingestion of inhaled coal dust by
macrophageschronic inflammation fibrosis
Common in upper lobes
Caplan syndrome- pulmonary nodules in coal worker
with rheumatoid arthritis
10. Silicosis
Silicon dioxide particle inhalation
couses small rounded opacities in lung
Associated with eggshell calcification-
calcification of periphery of hilar LN
11. Asbestosis
Nodular interstitial fibrosis in persons
chronically exposed to asbestos fibres
Associated with pleural calcification