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http://dx.doi.org/10.14405/kjvr.20210043

Fatal pneumonia caused by extraintestinal pathogenic Escherichia coli in a young dog  

Kim, Gyeongyeob (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)
Kim, Jongho (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)
Lee, Hyunkyoung (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)
Kim, Ha-Young (Bacterial Disease Diagnostic Division, Animal and Plant Quarantine Agency)
Moon, Bo-Youn (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)
Lee, Yu-Ran (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)
Park, Jungwon (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)
So, Byungjae (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)
Bae, Youchan (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)
Publication Information
Korean Journal of Veterinary Research / v.62, no.1, 2022 , pp. 4.1-4.5 More about this Journal
Abstract
This paper describes a fatal case of pneumonia in a 14-day-old dog caused by extraintestinal pathogenic Escherichia coli (ExPEC). The necropsy showed that almost all of left lobes of the lungs had dark-red consolidation. A histopathology examination revealed moderate acute fibrino-hemorrhagic necrotizing pneumonia with intralesional bacterial colonies. Non-suppurative epicarditis, congestion in the liver, and necrosis in the white pulp of the spleen also were found. E. coli with cytotoxic necrotizing factor 1 and α-hemolysin was isolated from the lung. This case was confirmed to have fatal pneumonia caused by ExPEC that led to a systemic infection.
Keywords
Escherichia coli; extraintestinal pathogenic Escherichia coli; hemorrhagic necrotizing pneumonia;
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