Abstract
Bronchiolitis represents a cellular and mesenchymal reaction involving bronchioles. The interplay between the cellular infiltrate and the mesenchymal reaction affects the lumen size, lamina propria, muscular layer, and bronchiolar adventitia. The result is a variety of clinical, radiologic, and functional patterns of bronchiolar disease. The anatomy of the small airways is discussed, and a pathologic classification applicable to the surgical pathology of bronchiolitis is presented. The classification is practical and includes asthma, chronic obstructive pulmonary disease, cellular bronchiolitis, respiratory bronchiolitis, respiratory bronchiolitis- associated interstitial lung disease, bronchiolitis obliterans (including bronchiolitis obliterans with intraluminal polyps and constrictive bronchiolitis), dust-related small airway fibrosis, and (postinflammatory) bronchiolar scarring and peribronchiolar fibrosis.
Original language | English (US) |
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Pages (from-to) | 101-109 |
Number of pages | 9 |
Journal | American journal of clinical pathology |
Volume | 109 |
Issue number | 1 |
DOIs | |
State | Published - Jan 1998 |
Keywords
- Asthma
- Bronchiolitis
- Bronchiolitis obliterans
- Constrictive bronchiolitis
- Follicular bronchiolitis
- Obliterative bronchiolitis
- Respiratory bronchiolitis
- Small airway diseases
ASJC Scopus subject areas
- Pathology and Forensic Medicine