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Gomez contributes to literature over systemic toxoplasmosis in equine

December 10, 2020 by Mallory Pfeifer

Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) Anatomic Pathology Section Head Gabe Gomez, DVM, PhD, DACVP is part of team that recently published an article in the Journal of Comparative Pathology. The article covers systemic toxoplasmosis in a horse.

Read the abstract below and access the full article here.

Abstract

An adult American Quarter Horse gelding with a history of weight loss presented with an acute onset of colic, fever, soft faeces and elevated liver enzymes. At necropsy, there were gastric mucosal masses and evidence of caecal necrosis. Histologically, the masses were lymph nodes with granulomatous inflammation and areas of liquefactive necrosis. Within and surrounding necrotic areas were free and intrahistiocytic clusters of protozoal tachyzoites. Similar but milder inflammation was evident in the spleen, lungs and liver. Necrotizing typhlitis was also evident. Immunolabelling for Toxoplasma gondii was positive and the ultrastructural morphology of the protozoa was compatible with T. gondii. Although studies have shown seropositivity to T. gondii in horses throughout the world, this is the first report of clinical toxoplasmosis in this species.

Filed Under: News, Research & Publications Tagged With: anatomic pathology, comparative pathology, equine, horse, pathology, TVMDL

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