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1 January 2020 An unusual case of feline otitis externa due to sporotrichosis
Mariana Bezerra Mascarenhas, Cristiane Bazaga Botelho, Bruna Sampaio Martins Land Manier, Thiago Souza Costa, Julio Israel Fernandes
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Abstract

Case summary

It is described a case of a 10-month-old female mixed-breed cat with left ear discharge of approximately 6 days’ duration prior to the admission. Secretions were collected from both ears using a sterile swab for cytological and mycological analysis. A pyogranulomatous inflammatory infiltrate (predominantly characterized by the presence of neutrophils and macrophages) with the presence of cocci, rods and many yeast-like structures were seen on cytological analysis; the fungal culture confirmed the presence of the Sporothrix schenckii complex. Upon diagnosis of fungal otitis due to the S schenckii complex, treatment with oral itraconazole was administered. After 4 weeks of treatment, no S schenckii complex colonies were isolated, and clinical recovery had occurred.

Relevance and novel information

Although rare, clinicians must be aware of atypical presentations of sporotrichosis, as in this case of external otitis. This is of clinical relevance because this infection has been reported in several countries and is defined as a zoonotic disease.

© The Author(s) 2019 This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).
Mariana Bezerra Mascarenhas, Cristiane Bazaga Botelho, Bruna Sampaio Martins Land Manier, Thiago Souza Costa, and Julio Israel Fernandes "An unusual case of feline otitis externa due to sporotrichosis," Journal of Feline Medicine and Surgery Open Reports 5(1), (1 January 2020). https://doi.org/10.1177/2055116919840810
Published: 1 January 2020
KEYWORDS
dermatology
fungal infection
itraconazole
otopathy
Sporothrix schenckii complex
zoonotic disease
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