CHORUS

Collaborative Hypertext of Radiology

Respiratory system

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hypersensitivity pneumonitis

• pathology:
  • proliferation of epithelial cells
  • elaboration of reticulum fibers

• findings:
  • interstitial reticulonodular pattern (basilar distribution)
  • volume loss (cicatrization atelectasis) in upper lobes
  • pleural effusion (rare)
  • lymph node enlargement may occur

Related CHORUS documents: extrinsic allergic alveolitis acute extrinsic allergic alveolitis Pandora's pneumonitis bird-fancier's lung farmer's lung honeycombing