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- 6. Approach to ILD
• What is the pattern?
• Acute vs chronic?
• Any clues?
– distribution
– lung volumes
- 7. Approach to ILD
• What is the pattern?
• Acute vs chronic?
• Any clues?
– low volumes: fibrosis
– ↑ volumes: obstruction
- 8. Approach to ILD
• What is the pattern?
• Acute vs chronic?
• Any clues?
– distribution, volumes
– associated findings
- 13. Nodular: Clues
Upper lung distribution
– Sarcoid
– Silicosis / Coal worker’s
– Eosinophilic granuloma
– Hypersensitivity: subacute
- 86. • Chronic
– honeycombing
– bronchiectasis
– eosinophilic granuloma
– lymphangioleiomyomatosis
– emphysema
Cysts/ Ring Lucencies
- 87. Cystic: Clues
Upper lobe distribution
– Pneumocystis
– eosinophilic granuloma
– cystic fibrosis
– honeycombing: sarcoid,
chronic EAA
- 120. Septal Lines + Nodules
• Acute
– atypical infection
• Chronic
– lymphangitic carcinoma
- 122. Patterns
• Acute vs chronic
• Distribution, volumes
– Low volumes: fibrosis
– Increased volumes: obstructive
• Other clues?