Bronchiolitis obliterans
Obstruction of the lungs' small airways (bronchioles) due to inflammation
Summary
Bronchiolitis obliterans (BO), also known as obliterative bronchiolitis, constrictive bronchiolitis and popcorn lung, is a disease that results in obstruction of the smallest airways of the lungs (bronchioles) due to inflammation. Symptoms include a dry cough, shortness of breath, wheezing and feeling tired. These symptoms generally get worse over weeks to months. It is not related to cryptogenic organizing pneumonia, previously known as bronchiolitis obliterans organizing pneumonia.
Originally created by Cburnett
2/2/2006, 6:14:13 PM
Modified
3/19/2026, 2:16:41 PM
Recent revisions
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GERD and microaspiration connection in post-transplant patients developing BO.
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