Bronchiolitis obliterans organizing pneumonia (BOOP)

- a.k.a cryptogenic organizing pneumonia
- non specific inflammatory pulmonary process with buds of granulation tissue forming in distal air spaces.
- diagnosis is suspected after there is no response to multiple antibiotics and blood and sputum culture are negative for organisms
- presented with non specific symptoms of fever, dry cough, malaise, anorexia and weight loss.
- consolidation typically occurs in different places in different time
- treatment : steroid