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alveolar content

Lesions

- anomalies of contents

  • red cells (alveolar hemorrhage)
  • nucleate cells
    • alveolar granulocytes
    • alveolar lymphocytes
    • alveolar macrophages
  • alveolar proteinosis
  • amniotic debris and keratin squames (amniotic aspiration)
  • alveolar hyaline membranes
  • alveolar meconium (meconial aspiration)

- alveolar fibrosis

  • organizing pneumonia