interstitial lung diseases

Digital case

 JRC:6465 : hytrast crystalline pneumonitis.

Types

 drug-induced lung diseases
 environmental lung diseases and occupational lung diseases

• pneumoconioses
• hypersensitivity pneumonitis

 idiopathic interstitial pneumonias (IIP)

• usual interstitial pneumonia (UIP) (idiopathic pulmonary fibrosis)
• nonspecific interstitial pneumonia (NSIP)
• cryptogenic organizing pneumonia (idiopathic BOOP)
• actute interstitial pneumonia (AIP)
• respiratory bronchiolitis-associated lung disease (RBLD)
• desquamative interstitial pneumonia (DIP)
• lymphocytic interstitial pneumonia (LIP)
• neonatal interstitial pneumonia

 diffuse alveolar damage (DAD)

 chronic manifestations of systemic dysimmune syndromes (collagen vascular diseases and inflammatory bowel diseases)

• rheumatoid arthritis
• progressive systemic sclerosis
• systemic lupus erythematosus
• polymyositis/dermatomyositis
• Sjögren syndrome
• pulmonary Crohn disease

 diffuse eosinophilic lung disease
 drug associated diffuse lung disease
 miscellaneous diffuse lung diseases

• sarcoidosis
• pulmonary Langerhans cell histiocytosis
• Erheim-CHester disease
• systemic juvenile xanthogranulomatosis
• lymphangioleiomyomatosis
• Hermansky-Pudlak syndrome
• pulmonary alveolar microlithiasis
• pulmnary alveolar proteinosis
• lymphangitic carcinomatosis
• chronic pulmonary aspiration
• pulmonary vasculitis

Lesional patterns

 diffuse lung diseases with granulomas

• sarcoidosis
• chronic berylliosis
• hypersensitivity pneumonitis (extrinsic allergic alveolitis)