Myocarditis and encephalitis associated with Sarcocystis neurona infection in raccoons (Procyon lotor) |
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Authors: | Hamir A N Dubey J P |
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Affiliation: | National Animal Disease Center, ARS, USDA, Ames, IA 50010, USA. ahamir@nadc.ars.usda.gov |
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Abstract: | Sarcocystis neurona associated granulomatous encephalitis was found in 2 of 84 adult raccoons. Both raccoons also had an extensive nonsuppurative myocarditis and one had S. neurona schizonts and merozoites in the myocardium. Only the asexual stages (schizonts and merozoites) of S. neurona are found in tissues of naturally infected animals (horse, mink, raccoons, cats, skunk, pony, seals, sea otters) and since these have not been reported outside the central nervous system, the presence of concurrent myocarditis in raccoons with the presence of S. neurona in the current study is of interest. Pathologists should consider the possible association of S. neurona with myocardial inflammation in other S. neurona susceptible animals. |
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