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Atypical parasitic lesions in slaughtered cattle in Southern Brazil.
Panziera, Welden; Bianchi, Matheus Viezzer; Vielmo, Andréia; Bianchi, Ronaldo Michel; Pavarini, Saulo Petinatti; Sonne, Luciana; Soares, João Fábio; Driemeier, David.
Affiliation
  • Panziera W; Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.
  • Bianchi MV; Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.
  • Vielmo A; Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.
  • Bianchi RM; Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.
  • Pavarini SP; Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.
  • Sonne L; Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.
  • Soares JF; Laboratório de Protozoologia e Rickettsioses Vetoriais, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Porto Alegre, RS, Brasil.
  • Driemeier D; Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.
Rev Bras Parasitol Vet ; 29(3): e001720, 2020.
Article in En | MEDLINE | ID: mdl-32667499
In this study, we described the morphological features and unusual presentations of hydatidosis, fasciolosis, and eosinophilic myositis caused by Sarcocystis species diagnosed at the slaughterhouse lines. Twenty-seven samples of atypical parasitic lesions from distinct cattle were evaluated, of which 12 corresponded to hydatidosis, 11 to fasciolosis, and 4 to eosinophilic sarcocystosis. Hydatid cysts were observed mainly in the heart, with all cases involving the left ventricle. Fasciolosis lesions involved mainly the lungs, and were characterized by a focal nodular elevated area involving the edges of the lobes. Intralesional trematodes were observed in three cases. Sarcocystosis lesions were observed in four cases, and lesions were primarily located in the skeletal and cardiac muscles. Grossly, they presented as focal or focally extensive streaks, patches, or numerous nodules that were greenish to mildly yellowish. Histologically, all the cases had intralesional ruptured cysts of Sarcocystis that were associated with severe eosinophilic myositis and myocarditis. Parasitic lesions in atypical locations and/or with aberrant responses should be promptly identified because it may mistakenly diagnosed as other potentially zoonotic diseases, such as cysticercosis and tuberculosis.
Subject(s)

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Cattle Diseases / Helminthiasis, Animal Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Journal: Rev Bras Parasitol Vet Journal subject: MEDICINA VETERINARIA / PARASITOLOGIA Year: 2020 Document type: Article Affiliation country: Brazil Country of publication: Brazil

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Cattle Diseases / Helminthiasis, Animal Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Journal: Rev Bras Parasitol Vet Journal subject: MEDICINA VETERINARIA / PARASITOLOGIA Year: 2020 Document type: Article Affiliation country: Brazil Country of publication: Brazil