Exogenous lipoid pneumonia

Exogenous lipoid pneumonia is a form of lipoid pneumonia.

In terms of onset of presentation, it can divided into two different forms

  • acute exogenous lipoid pneumonia
    • uncommon and typically is caused by an episode of aspiration of a large quantity of a petroleum-based product.
      • acute pneumonitis after aspiration of petroleum-based products typically occurs in children due to accidental poisoning
      • can also occur in performers (fire-eaters) who use liquid hydrocarbons for flame blowing: hence also called fire eaters pneumoania.
  • chronic exogenous lipoid pneumonia
    • usually results from repeated episodes of aspiration or inhalation of animal fat or mineral or vegetable oils over an extended period.
    • typically occurs in older patients but also has been reported in children as well as in infants when mineral oil is used as a lubricant to facilitate feeding.
    • also can occur in patients without a predisposing anatomic or functional abnormality in swallowing.
    • aspiration of fats or oils has been reported in patients with a history of chronic use of mineral oil or petroleum-based lubricants and decongestants.

History and etymology

It was initially described in 1925 by Laughlen.


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Article information

rID: 49240
System: Chest
Synonyms or Alternate Spellings:
  • Exogenous lipoid pneumonias

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Cases and figures

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    Case 1: acute
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