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Diseases

Genetic and Rare Diseases Information Center (GARD)

Cryptogenic organizing pneumonia


Other Names for this Disease
  • COP
  • Idiopathic BOOP
  • Idiopathic bronchiolitis obliterans organizing pneumonia
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Cause

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What causes cryptogenic organizing pneumonia?

The underlying cause of cryptogenic organizing pneumonia (COP) is unknown (idiopathic). Organizing pneumonia is more specifically diagnosed as COP when, among other characteristics, no definite cause for the condition is found. In other words, any known cause for the pneumonia must be ruled out before stating that a person is affected by COP.[1]

Other forms of organizing pneumonia may result from infection (bacteria, viruses, parasites, or fungi); drugs; or a reaction to radiation therapy for breast cancer. Organizing pneumonia can also be associated with specific disorders such as certain connective tissue disorders, blood malignancies (cancers), or ulcerative colitis.[1]
Last updated: 7/16/2015

References
  1. Cordier JF. Cryptogenic organizing pneumonia. Clin Chest Med. December 2004; 25(4):727-738.


Other Names for this Disease
  • COP
  • Idiopathic BOOP
  • Idiopathic bronchiolitis obliterans organizing pneumonia
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.