Ísis Assis Braga, Raiany Borges Duarte, Letícia Souza Prates, Hugo Henrique Ferreira, Lara Adriana Fernandes da Fonseca, Gilmar Arantes Ataíde-Júnior, Dirceu Guilherme de Souza Ramos, Vantuil Moreira de Freitas
{"title":"Equine Rhinosporidiosis: a case report in brazilian midwestern","authors":"Ísis Assis Braga, Raiany Borges Duarte, Letícia Souza Prates, Hugo Henrique Ferreira, Lara Adriana Fernandes da Fonseca, Gilmar Arantes Ataíde-Júnior, Dirceu Guilherme de Souza Ramos, Vantuil Moreira de Freitas","doi":"10.21708/avb.2023.17.3.12013","DOIUrl":null,"url":null,"abstract":"This is the first report of equine nasal rhinosporidiosis in Mineiros, Goiás, diagnosed through the histopathological analysis of granulomatous masses removed from a horse’s nostril of a 12-year-old male horse, through a surgical procedure. Microscopy revealed a papillomatous tissue lesion covered by moderately hyperplastic squamous epithelium, rich, loose fibrocollagenous tissues, well vascularized, accompanied by an accentuated inflammatory reaction constituted by a mixture of macrophages, lymphocytes, plasmocytes, and smaller number of neutrophils, and numerous round to oval structures with a unilamellar wall and a central nucleus surrounded by basophilic granular material, which were morphologically compatible with Rhinosporidium spp. sporangia.","PeriodicalId":38626,"journal":{"name":"Acta Veterinaria Brasilica","volume":"14 10","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Veterinaria Brasilica","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.21708/avb.2023.17.3.12013","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Veterinary","Score":null,"Total":0}
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Abstract
This is the first report of equine nasal rhinosporidiosis in Mineiros, Goiás, diagnosed through the histopathological analysis of granulomatous masses removed from a horse’s nostril of a 12-year-old male horse, through a surgical procedure. Microscopy revealed a papillomatous tissue lesion covered by moderately hyperplastic squamous epithelium, rich, loose fibrocollagenous tissues, well vascularized, accompanied by an accentuated inflammatory reaction constituted by a mixture of macrophages, lymphocytes, plasmocytes, and smaller number of neutrophils, and numerous round to oval structures with a unilamellar wall and a central nucleus surrounded by basophilic granular material, which were morphologically compatible with Rhinosporidium spp. sporangia.
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