PMC6629765_01
Lung from a dog. Alveoli are filled with eosinophilic, proteinaceous, edema fluid (E) with strands of fibrin (F). A few, foamy alveolar macrophages (M) are present. Several alveolar septa in this field are distended by clear, round, empty spaces (*) that appear to be intravascular and could present extracted lipid emboli. Hematoxylin and eosin stain; bar = 20 mum.
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F1
Six sections from affected areas of lung were examined histologically by a board-certified veterinary anatomic pathologist following routine processing and hematoxylin and eosin staining (Figure 1).