Missed our latest free live-stream? Catch up now with Intracranial Enhancement by Frank Gaillard

Bird fancier lung

Bird fancier lung refers to a type of hypersensitivity pneumonitis occurring as a response to avian antigens (usually inhaled proteins in the dust of bird feathers and droppings). 

For a broad discussion on this entity, please refer to the main article on hypersensitivity pneumonitis.

Radiographic features


HRCT chest features can differ depending on whether it is acute, subacute or chronic presentation, but, in general, can be similar to other forms of hypersensitivity pneumonitis.

Described CT features include 6:

Treatment and prognosis

Cessation of avian exposure is a key part of management. Most cases have a good prognosis following cessation.


Article information

rID: 29110
System: Chest
Synonyms or Alternate Spellings:
  • BFL
  • Bird fancier's lung (BFL)
  • Bird fancier lung
  • Bird fancier's lungs
  • Bird fancier lungs
  • Pigeon fancier's lung
  • Pigeon fancier's lungs
  • Budgerigar fancier's lung
  • Budgerigar fancier's lungs

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Case 1: Acute on chronic
    Drag here to reorder.
  • Case 2
    Drag here to reorder.
  • Case 3: chronic
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.