Pulmonary Mycobacterium bovis infection in a dog |
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| Authors: | Gay G Burbidge H M Bennett P Fenwick S G Dupont C Murray A Alley M R |
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| Institution: | Mt Wellington Vet Clinic, Mt Eden, Auckland, New Zealand. |
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| Abstract: | AIM: To describe the clinical course of a dog infected with Mycobacterium bovis causing a granulomatous pneumonia. CLINICAL FINDINGS: The dog initially presented with a persistent cough, inappetence and weight loss. Clinical findings included a fever, dyspnoea and tachypnoea, with haematological evidence of a mild neutrophilia and hypoalbuminaemia. Radiographs of the chest demonstrated a concomitant pneumothorax, pleural effusion, and a consolidated area within the left caudal lung lobe. An exploratory thoracotomy revealed this to be a ruptured granulomatous lesion. Subsequent histopathological, microbiological and genetic studies identified M. bovis as the causal agent. CLINICAL SIGNIFICANCE: Mycobacterium bovis infections should be included in the differential diagnosis of pulmonary disease and pleural effusions in dogs living in regions of New Zealand known to have a high incidence of mycobacterial infection in wildlife and farm animals. |
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