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Fig. 3 | BMC Veterinary Research

Fig. 3

From: Case report: characterization of a persistent, treatment-resistant, novel Staphylococcus aureus infection causing chronic mastitis in a Holstein dairy cow

Fig. 3

Photomicrographs of mastitic quarter from 1428. (A) Pyogranulomatous infiltrate. Note colonies of basophilic cocci (white arrows) within brightly eosinophilic and radiating matrix of Splendore-Hoeppli reaction (black arrows). H&E 20X. (B) Cocci within eosinophilic matrix are Gram-positive. Gram stain 40X. (C) Granulomas with abundant peripheral fibrosis and central areas of dystrophic mineralization. H&E 4X. (D) Acini containing numerous neutrophils. H&E 10X. (E) Intraluminal Gram-positive cocci within acinus. Gram stain 40X. (F) Intracellular Gram-positive cocci. Gram stain 20X

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BMC Veterinary Research

ISSN: 1746-6148

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