Fatal extraintestinal toxoplasmosis in a young male cat with enlarged mesenteric lymph nodes |
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| Authors: | Tamara M Cohen Shauna Blois Andrew R Vince |
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| Institution: | Department of Clinical Studies (Cohen, Blois), Animal Health Laboratory, Laboratory Service Division (Vince), Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1 |
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| Abstract: | A 22-month-old indoor/outdoor neutered male domestic short-haired cat had a history of progressive lethargy, vomiting, and decreased appetite. Abdominal ultrasound revealed an irregular hyperechoic mass in the mid-abdomen. He was unresponsive to symptomatic medical management and was euthanized after 3 days of hospitalization. A diagnosis of disseminated extraintestinal toxoplasmosis was made based on the finding of intracytoplasmic protozoan parasites on histopathological examination of mesenteric lymph nodes, hepatic and intestinal samples, and on immunohistochemistry. |
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