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Updated: Aug 13, 2026

Development of Obliterative Bronchiolitis in a Murine Model of Orthotopic Lung Transplantation
Published on: July 10, 2012
Differential diagnosis of bronchiolitis obliterans organizing pneumonia
1Chest Disease Research Institute, Kyoto University, Japan.
Abstract:
The disease concept of idiopathic BOOP has emerged from a study of many open lung biopsy cases of diffuse infiltrative lung disease. The histopathologic features of idiopathic BOOP have several components: bronchiolitis obliterans, organizing pneumonia, accumulation of foamy cells in the peripheral air spaces, and interstitial infiltration of mononuclear cells. These pathologic findings are nonspecific and many conditions show such a BOOP pattern. Idiopathic BOOP has been discussed in the context of bronchiolitis obliterans, organizing pneumonia, and interstitial pneumonia. While clinically idiopathic BOOP has a relatively broad spectrum of manifestation, BOOP stands as a clinicopathologic disease entity among diffuse infiltrative lung diseases of unknown etiology.
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