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Intra-thoracic pyogranulomatous disease in four working dogs
J L Doyle1, R G Kuipers von Lande, A J Worth
1Kaukapakapa Veterinary Services, Main Road, State Highway 16, Kaukapakapa, New Zealand. jenni.doyle@xtra.co.nz
New Zealand Veterinary Journal
|December 8, 2009
Summary
Four farm working dogs in New Zealand were diagnosed with intra-thoracic pyogranulomatous disease. Prompt surgical intervention is crucial for managing this condition in working canines.
Area of Science:
- Veterinary Medicine
- Canine Pathology
- Thoracic Surgery
Background:
- Working dogs are valuable assets in agriculture.
- Intra-thoracic pyogranulomatous disease presents diagnostic challenges.
- Trauma can be a predisposing factor in working dogs.
Observation:
- Four large-breed male working dogs presented with weight loss or thoracic swelling.
- Diagnostic imaging and surgical exploration revealed intra-thoracic pyogranulomatous disease.
- Infectious agents identified included Actinomyces viscosus, Nocardia spp., and Streptococcus spp., with one case involving a grass-seed foreign body.
Findings:
- Two dogs recovered and returned to work.
- Two dogs were euthanized due to surgical complications (hemorrhage) or post-operative meningitis.
- The prognosis is variable, influenced by disease severity and complications.
Implications:
- Veterinarians should consider intra-thoracic pyogranulomatous disease in working dogs with relevant clinical signs.
- Early and aggressive surgical treatment is recommended.
- Awareness of this syndrome is vital due to the high value of working dogs.
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