Cryptogenic organizing pneumonia historical perspective

Initial descriptions of organizing pneumonia can be traced back to 1877 Paris, in the lectures of J.M. Charcot. The first report of non-infectious organizing pneumonia without an identifiable underlying etiology was published in 1983. Soon after, the term “bronchiolitis obliterans organizing pneumonia (BOOP)” was introduced. This nomenclature was abandoned in 2002 by the American Thoracic Society/European Respiratory Society International Consensus Panel and the term cryptogenic organizing pneumonia was adopted.

• Initial descriptions of organizing pneumonia can be traced back to 1877 Paris, in the lectures of J.M. Charcot.
• However, the idea of organizing pneumonia, which describes the histopathological pattern associated with the syndrome, first appeared in the early 20th century under different names.^[1]
• The first report of non-infectious organizing pneumonia without an identifiable underlying etiology was published in 1983. The syndrome was called “cryptogenic organizing pneumonitis” to differentiate it from post-infective organizing pneumonia.^[2]
• In 1985, the term “bronchiolitis obliterans organizing pneumonia (BOOP)” was introduced. This nomenclature was abandoned in 2002 by the American Thoracic Society/European Respiratory Society International Consensus Panel for the Classification of Idiopathic Interstitial Pneumonia (ATS/ERS) for cryptogenic organizing pneumonia, a term that describes the true pathological lesion associated with the syndrome.^[3][4]

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