1. Representative photomicrograph of small airways abnormalities in a subject with chronic obstructive pulmonary disease.
Representative photomicrograph of small airways abnormalities in a subject with chronic obstructive pulmonary disease. A narrowed small conducting airway with thickened airway wall (W) is shown. The airway lumen (L) is filled with mucins and inflammatory cells. The arrowheads indicate loss of alveolar attachments. Scale bar = 50 μm.
P-R. Burgel et al. Eur Respir Rev 2011;20:
©2011 by European Respiratory Society