Bronchiolar abnormalities are relatively common and occur in a variety of clinical settings.
Various histopathologic patterns of bronchiolar injury have been described and have led to …

The term “bronchiolitis” refers to a broad morphologic spectrum of inflammatory events that
are centered on small conducting airways. Bronchiolitis may be an isolated pathologic …

In the clinical approach to a patient with bronchiolar disease, primary bronchiolar disorders
should be distinguished from predominantly parenchymal or large airway processes with …

Bronchiolitis represents a cellular and mesenchymal reaction involving bronchioles. The
interplay between the cellular infiltrate and the mesenchymal reaction affects the lumen size …

Lesions of the small airways are confusing, and no term has generated more confusion than
bronchiolitis obliterans, apparently first used in 1835. 1, 2 We consider obliterative …

Respiratory bronchiolitis-associated interstitial lung disease is a distinct clinical syndrome
found in current or former cigarette smokers. The disease often is confused with other …

Bronchiolar disorders are generally difficult to diagnose because most patients present with
nonspecific respiratory symptoms of variable duration and severity. A detailed clinical history …

Constrictive bronchiolitis (CB)(or obliterative bronchiolitis) designates inflammation and
fibrosis occurring predominantly in the walls and contiguous tissues of membranous and …

Bronchiectasis is permanent irreversible dilatation of the airways and occurs in a variety of
pathologic processes. Recurrent infection and inflammation and the resulting chemical and …

Bronchiolar disorders can be divided into 2 general categories:(1) airway disorders (cellular
bronchiolitis and obliterative bronchiolitis) and (2) parenchymal disorders (respiratory …