Types
airway-centered interstitial fibrosis
Synopsis
honeycombing
Etiology
UIP (usual interstitial pneumonia) or idiopathic pulmonary fibrosis
lymphocytic interstitial pneumonia (LIP)
connectivitis (collagen vascular diseases)
drug reactions
pneumoconioses
sarcoidosis
Langerhans histiocytosis
chronic granulomatous infections
chronic aspiration
chronic hypersensitivity pneumonitis
organized chronic eosinophilic pneumonia
organized and organizing diffuse alveolar damage
chronic interstitial pulmonary edema
passive congestion
post-radiation
healed infectious pneumonias