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CUTANEOUS PYTHIOSIS IN A SLAUGHTERED HORSE: A CASE REPORT

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Instituto Biológico

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Article

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Abstract

Abstract (english)

Cutaneous pythiosis in a horse submitted for slaughter is described in Northern Paraná, Brazil. The animal presented an ulcerative, granulomatous lesion on the lateral surface of the left forelimb just above the elbow joint. Histopathological evaluation revealed an eosinophilic granulomatous reaction associated with intralesional hyphae characteristic of Pythium insidiosum visualized by Gomori’s methenamine silver stain. Other cutaneous equine lesions easily confused with cutaneous pythiosis are discussed and differentiated. Suggestion for gross identification of these lesions and the final destination of horsemeat infected by P. insidiosum during Federal Inspection are given.

Abstract (portuguese)

Pitiose cutânea é descrita num cavalo abatido no norte de Paraná, Brasil. O animal apresentou uma lesão ulcerativa, granulomatosa na superfície lateral do membro esquerdo logo acima do cotovelo. Avaliação histopatologia revelou uma reação granulomatosa eosinofílica associada a hifas intralesionais característica de Pythium insidiosum visualizadas na coloração especial de prata de Gomori. Outras lesões cutâneas de eqüinos são discutidas e diferenciadas. Sugestões para a identificação grosseira destas lesões e a destinação final de carne eqüina infectada pelo P. insidiosum durante a Inspeção Federal são fornecidas.

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Keywords

Pythiosis, Pythium insidiosum, cutaneous equine mycoses, public health., Pitiose, Pythium insidiosum, micoses cutâneas de eqüinos, saúde pública.

Language

English

Citation

Arquivos do Instituto Biológico. Instituto Biológico, v. 69, n. 4, p. 109-112, 2024.

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