Unusual Manifestation of a Mycobacterium bovis SB0950 Infection in a Domestic Cat

Affiliation
Department of Pathology, University of Veterinary Medicine, Hannover, Germany
Attig, F.;
GND
1058173545
Affiliation
Friedrich-Loeffler-Institut/Federal Research Institute for Animal Health, Institute of Molecular Pathogenesis, Jena, Germany
Barth, Stefanie;
Affiliation
Veterinary Joint Practice Janssen and König, Wennigsen, Germany
Kohlbach, M.;
Affiliation
Department of Pathology, University of Veterinary Medicine, Hannover, Germany
Baumgärtner, W.;
Affiliation
Department of Pathology, University of Veterinary Medicine, Hannover, Germany
Lehmbecker, A.

Mycobacterium bovis is the main agent of bovine tuberculosis, but has also zoonotic potential. An 8-month-old female domestic shorthaired cat imported from Ukraine developed wound complications after abdominal surgery. A second surgery performed in Germany showed a focal, partly cystic mass within the mesentery. Despite antimicrobial treatment, the cat did not recover and was humanely destroyed. Grossly, several abdominal lymph nodes were enlarged. Histopathology revealed a mild to moderate, multifocal, granulomatous to pyogranulomatous, partially necrotizing inflammation, most prominent in the abdominal cavity. Within the lesions there were acid-fast bacilli within the cytoplasm of macrophages demonstrated by Ziehl–Neelsen staining. Further investigations revealed M. bovis SB0950 in the affected tissues.

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