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. 2003 Aug;163(2):701–709. doi: 10.1016/S0002-9440(10)63697-8

Figure 2.

Figure 2.

Photomicrograph showing pathology and immunohistochemistry of lung. A: Lung showing thickened pleura with inflammation and fibrin. B: Lung showing intraalveolar edema and inflammation in the alveolar septa. C: Pleura showing gram-positive bacilli. D: Pleura showing silver staining bacilli. E: Lung showing abundant granular antigen-staining in the pleura, interalveolar septa, and intra alveolar macrophages. F: Lung showing granular antigen-staining of intraalveolar macrophages. H&E stain (A and B); gram’s stain (C); Steiner stain (D); immunohistochemical assay using the B. anthracis capsule antibody and naphthol/fast red substrate with hematoxylin counterstain (E and F). Original magnifications: A, ×10; B, ×20; C, ×100; D, E, and F, ×40.