Fig. 2From: Diffuse alveolar damage associated mortality in selected acute respiratory distress syndrome patients with open lung biopsyPathological findings of diffuse alveolar damage. a Diffuse alveolar damage in the acute phase. The interstitium is edematous. Hyaline membrane (arrow) is seen lining the alveolar ducts (hematoxylin and eosin stain, ×100). b Diffuse alveolar damage in the organizing phase. The interstitium is thickened with organizing connective tissue. Prominent type 2 pneumocyte hyperplasia is seen (hematoxylin and eosin stain, ×200)Back to article page