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Salmonella Mesenteric Lymphadenitis Causing Septic Peritonitis in Two Dogs
Erin M Binagia1, Nyssa A Levy1
1Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA.
Veterinary Medicine (Auckland, N.Z.)
|March 13, 2020
Summary
Two young dogs developed septic peritonitis from Salmonella mesenteric lymphadenitis, linked to raw diets. This first-time canine report highlights multi-drug resistant Salmonella risks.
Area of Science:
- Veterinary Medicine
- Canine Pathology
- Infectious Diseases
Background:
- Septic peritonitis in dogs often requires aggressive treatment.
- Salmonella mesenteric lymphadenitis is a known condition in humans and pigs.
Observation:
- Two young dogs presented with vomiting, abdominal pain, and fever.
- Both dogs had a history of raw diet consumption prior to illness.
Findings:
- Both cases diagnosed with Salmonella mesenteric lymphadenitis leading to septic peritonitis.
- Multi-drug resistant Salmonella spp. were identified, resistant to ampicillin sulbactam.
- Successful treatment involved surgical debridement, omentalization, and antibiotics.
Implications:
- This is the first reported case of Salmonella mesenteric lymphadenitis in dogs.
- Raw diets may be a potential source of multi-drug resistant Salmonella in dogs.
- Findings emphasize the need for careful consideration of antibiotic choices for canine septic peritonitis.

