Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
 
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REVIEW ARTICLE
Year : 2008  |  Volume : 3  |  Issue : 2  |  Page : 67-75

Bronchiolitis obliterans organizing pneumonia: Pathogenesis, clinical features, imaging and therapy review


Department of Radiology, King Fahad National Guard Hospital, King Abdulaziz Medical City, Riyadh, Saudi Arabia

Correspondence Address:
Ali Nawaz Khan
Department of Medical Imaging, King Abdulaziz Medical City, King Fahad National Guard Hospital, P.O. Box 22490, Riyadh 11426
Saudi Arabia
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DOI: 10.4103/1817-1737.39641

PMID: 19561910

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Bronchiolitis obliterans organizing pneumonia (BOOP) was first described in the early 1980s as a clinicopathologic syndrome characterized symptomatically by subacute or chronic respiratory illness and histopathologically by the presence of granulation tissue in the bronchiolar lumen, alveolar ducts and some alveoli, associated with a variable degree of interstitial and airspace infiltration by mononuclear cells and foamy macrophages. Persons of all ages can be affected. Dry cough and shortness of breath of 2 weeks to 2 months in duration usually characterizes BOOP. Symptoms persist despite antibiotic therapy. On imaging, air space consolidation can be indistinguishable from chronic eosinophilic pneumonia (CEP), interstitial pneumonitis (acute, nonspecific and usual interstitial pneumonitis, neoplasm, inflammation and infection). The definitive diagnosis is achieved by tissue biopsy. Patients with BOOP respond favorably to treatment with steroids.


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