Peer-reviewed veterinary case report
Disseminated tuberculosis infection in a 12-year-old dog with cough
By Martinho, Anna Paula Vitirito et al.·Published in The American journal of tropical medicine and hygiene·2013·Department of Veterinary Hygiene and Public Health, Brazil·View original on PubMed →
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Original publication title: Disseminated Mycobacterium tuberculosis infection in a dog.
- Species:
- dog
Plain-English summary
A 12-year-old female dog was brought in with serious symptoms including fever, breathing problems, coughing, weight loss, and bleeding from the nose and stomach. The dog had been in close contact with its owner, who had died from tuberculosis. Tests showed that the dog had a rare infection caused by Mycobacterium tuberculosis, which affected multiple organs and caused severe health issues. Due to the dog's poor condition and the potential risk to public health, the veterinarian recommended euthanasia.
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Abstract
An uncommon disseminated Mycobacterium tuberculosis infection is described in a 12-year-old female dog presenting with fever, dyspnea, cough, weight loss, lymphadenopathy, melena, epistaxis, and emesis. The dog had a history of close contact with its owner, who died of pulmonary tuberculosis. Radiographic examination revealed diffuse radio-opaque images in both lung lobes, diffuse visible masses in abdominal organs, and hilar and mesenteric lymphadenopathy. Bronchial washing samples and feces were negative for acid-fast organisms. Polymerase chain reaction (PCR)-based species identification of bronchial washing samples, feces, and urine revealed M. tuberculosis using PCR-restriction enzyme pattern analysis-PRA. Because of public health concerns, which were worsened by the physical condition of the dog, euthanasia of the animal was recommended. Rough and tough colonies suggestive of M. tuberculosis were observed after microbiological culture of lung, liver, spleen, heart, and lymph node fragments in Löwenstein-Jensen and Stonebrink media. The PRA analysis enabled diagnosis of M. tuberculosis strains isolated from organs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23339199/