Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)

ABSTRACT.Our study describes the clinical, epidemiologic, pathologic, immunohistochemical, and molecular aspects (PCR) of a case of cutaneous pythiosis in a donkey (Equus asinus) from Brazil. During a dry period, the animal grazed for 4 months around a pond where the vegetation remained green. Skin...

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Autores: MAIA, L.A., OLINDA, R.G., ARAÚJO, T.F., FIRMINO, P.R., NAKAZATO, L., MIRANDA NETO, E.G., RIET-CORREA, F., DANTAS, A.F.M.
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2016
País:Uruguay
Recursos:Instituto Nacional de Investigación Agropecuaria
Repositorio:AINFO
Idioma:inglés
OAI Identifier:oai:redi.anii.org.uy:20.500.12381/2582
Acesso em linha:https://ainfo.inia.uy/consulta/busca?b=pc&id=55247&biblioteca=vazio&busca=55247&qFacets=55247
Access Level:acceso abierto
Palavra-chave:DERMATITIS
DONKEY DISEASES
FOLLICULITIS
PYOGRANULOMA
PHYTHIUM INSIDIOSUM
GANADO
ASNO
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spelling 2022-12-16T20:46:41Z2022-12-16T20:46:41Z20162022-12-16T20:46:41Zhttps://ainfo.inia.uy/consulta/busca?b=pc&id=55247&biblioteca=vazio&busca=55247&qFacets=55247ABSTRACT.Our study describes the clinical, epidemiologic, pathologic, immunohistochemical, and molecular aspects (PCR) of a case of cutaneous pythiosis in a donkey (Equus asinus) from Brazil. During a dry period, the animal grazed for 4 months around a pond where the vegetation remained green. Skin lesions were nodular, multifocal, and disseminated, mainly involving the legs, ventral chest, and mammary gland. On cut surface, there were multifocal to coalescent discrete yellow foci, and occasional small cavitations with a few kunkers. Ulcerative nodular pyogranulomatous and eosinophilic dermatitis with folliculitis and furunculosis were observed histologically. Hyphae were observed in sections stained with Gomori methenamine silver. Immunohistochemistry with Pythium insidiosum antibodies yielded strong immunostaining of hyphae. P. insidiosum DNA was extracted from tissues in paraffin blocks by amplification of a fragment of 105 bp, which targets the 5.8S ribosomal gene. After the diagnosis of pythiosis, the larger skin lesions were excised and treated as second intention healing wounds, which were completely healed 30 days after resection. Small skin lesions regressed spontaneously in ~60 days. The granulomatous inflammation and outcome of the disease in this donkey were similar to cases of pythiosis in cattle.© 2016 The Author(s)https://hdl.handle.net/20.500.12381/2582enenginfo:eu-repo/semantics/openAccessAcceso abiertoDERMATITISDONKEY DISEASESFOLLICULITISPYOGRANULOMAPHYTHIUM INSIDIOSUMGANADOASNOCutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)ArticlePublishedVersioninfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionreponame:AINFOinstname:Instituto Nacional de Investigación Agropecuariainstacron:Instituto Nacional de Investigación AgropecuariaMAIA, L.A.OLINDA, R.G.ARAÚJO, T.F.FIRMINO, P.R.NAKAZATO, L.MIRANDA NETO, E.G.RIET-CORREA, F.DANTAS, A.F.M.SWORDsword-2022-12-16T17:46:41.original.xmlOriginal SWORD entry documentapplication/octet-stream2747https://redi.anii.org.uy/jspui/bitstream/20.500.12381/2582/1/sword-2022-12-16T17%3a46%3a41.original.xml3dffaadf9bbcfae380160b7951c184c1MD5120.500.12381/25822026-02-10 15:53:51.166oai:redi.anii.org.uy:20.500.12381/2582Institucionalhttps://ainfo.inia.uy/Organismo científico-tecnológicohttp://inia.uyhttps://redi.anii.org.uy/oai/requestlorrego@inia.org.uyUruguayopendoar:2026-02-10T18:53:51AINFO - Instituto Nacional de Investigación Agropecuariafalse
dc.title.none.fl_str_mv Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)
title Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)
spellingShingle Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)
MAIA, L.A.
DERMATITIS
DONKEY DISEASES
FOLLICULITIS
PYOGRANULOMA
PHYTHIUM INSIDIOSUM
GANADO
ASNO
title_short Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)
title_full Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)
title_fullStr Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)
title_full_unstemmed Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)
title_sort Cutaneous pythiosis in a donkey (Equus asinus) in Brazil. (Brief Communication)
dc.creator.none.fl_str_mv MAIA, L.A.
OLINDA, R.G.
ARAÚJO, T.F.
FIRMINO, P.R.
NAKAZATO, L.
MIRANDA NETO, E.G.
RIET-CORREA, F.
DANTAS, A.F.M.
author MAIA, L.A.
author_facet MAIA, L.A.
OLINDA, R.G.
ARAÚJO, T.F.
FIRMINO, P.R.
NAKAZATO, L.
MIRANDA NETO, E.G.
RIET-CORREA, F.
DANTAS, A.F.M.
author_role author
author2 OLINDA, R.G.
ARAÚJO, T.F.
FIRMINO, P.R.
NAKAZATO, L.
MIRANDA NETO, E.G.
RIET-CORREA, F.
DANTAS, A.F.M.
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv DERMATITIS
DONKEY DISEASES
FOLLICULITIS
PYOGRANULOMA
PHYTHIUM INSIDIOSUM
GANADO
ASNO
topic DERMATITIS
DONKEY DISEASES
FOLLICULITIS
PYOGRANULOMA
PHYTHIUM INSIDIOSUM
GANADO
ASNO
description ABSTRACT.Our study describes the clinical, epidemiologic, pathologic, immunohistochemical, and molecular aspects (PCR) of a case of cutaneous pythiosis in a donkey (Equus asinus) from Brazil. During a dry period, the animal grazed for 4 months around a pond where the vegetation remained green. Skin lesions were nodular, multifocal, and disseminated, mainly involving the legs, ventral chest, and mammary gland. On cut surface, there were multifocal to coalescent discrete yellow foci, and occasional small cavitations with a few kunkers. Ulcerative nodular pyogranulomatous and eosinophilic dermatitis with folliculitis and furunculosis were observed histologically. Hyphae were observed in sections stained with Gomori methenamine silver. Immunohistochemistry with Pythium insidiosum antibodies yielded strong immunostaining of hyphae. P. insidiosum DNA was extracted from tissues in paraffin blocks by amplification of a fragment of 105 bp, which targets the 5.8S ribosomal gene. After the diagnosis of pythiosis, the larger skin lesions were excised and treated as second intention healing wounds, which were completely healed 30 days after resection. Small skin lesions regressed spontaneously in ~60 days. The granulomatous inflammation and outcome of the disease in this donkey were similar to cases of pythiosis in cattle.© 2016 The Author(s)
publishDate 2016
dc.date.issued.none.fl_str_mv 2016
dc.date.accessioned.none.fl_str_mv 2022-12-16T20:46:41Z
dc.date.available.none.fl_str_mv 2022-12-16T20:46:41Z
dc.date.updated.none.fl_str_mv 2022-12-16T20:46:41Z
dc.type.none.fl_str_mv Article
PublishedVersion
info:eu-repo/semantics/article
dc.type.version.none.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://ainfo.inia.uy/consulta/busca?b=pc&id=55247&biblioteca=vazio&busca=55247&qFacets=55247
url https://ainfo.inia.uy/consulta/busca?b=pc&id=55247&biblioteca=vazio&busca=55247&qFacets=55247
dc.language.iso.none.fl_str_mv en
eng
language_invalid_str_mv en
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.rights.es.fl_str_mv Acceso abierto
eu_rights_str_mv openAccess
rights_invalid_str_mv Acceso abierto
dc.source.none.fl_str_mv reponame:AINFO
instname:Instituto Nacional de Investigación Agropecuaria
instacron:Instituto Nacional de Investigación Agropecuaria
instname_str Instituto Nacional de Investigación Agropecuaria
instacron_str Instituto Nacional de Investigación Agropecuaria
institution Instituto Nacional de Investigación Agropecuaria
reponame_str AINFO
collection AINFO
bitstream.url.fl_str_mv https://redi.anii.org.uy/jspui/bitstream/20.500.12381/2582/1/sword-2022-12-16T17%3a46%3a41.original.xml
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