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Mycosis Due to Tropicoporus tropicalis (= Inonotus tropicalis) in a Domestic Dog

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Abstract

Mycelial basidiomycetes rarely produce mycoses in animals including humans. We report a case of a 9-year-old female mongrel dog with lesions in the prescapular lymph nodes. The histopathology of a lymph node sample showed flexuous septate hyphae, and a sterile mold grew in culture from that specimen. DNA sequencing of the ITS region allowed us to identify the fungus as Tropicoporus tropicalis. The dog was treated with itraconazole, but it was euthanized six months later due to an unfavorable clinical outcome. Tropicoporus tropicalis is an infrequent pathogen of pets, and the use of molecular tools is needed for its identification. Animal infections due to T. tropicalis were not previously been reported in Argentina.

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Authors and Affiliations

  1. Departamento Micología, INEI “Dr. Carlos G. Malbrán”, Buenos Aires, Argentina

    Alejandra Hevia, Julián Fernández, Roberto Suárez-Alvarez, Rubén Abrantes, Adriana Toranzo, Nicolás Refojo & Cristina Canteros

  2. Instituto de Zoonosis “Luis Pasteur”, Buenos Aires, Argentina

    Ricardo Iachini

  3. Veterinaria Azcuénaga, Buenos Aires, Argentina

    Julieta Lazzari

Authors
  1. Alejandra Hevia
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  2. Ricardo Iachini
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  3. Julián Fernández
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  4. Julieta Lazzari
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  5. Roberto Suárez-Alvarez
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  6. Rubén Abrantes
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  7. Adriana Toranzo
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  8. Nicolás Refojo
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  9. Cristina Canteros
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Contributions

AH, JF, RS-A, RA, AT and NR have contributed in data acquisition, performing histological and molecular techniques and drafting the manuscript. Both JL and RI are the veterinary doctors who treated the dog reported in this clinical case and analyzed its biological samples. CC conceived the idea and contributed in drafting and finalizing the manuscript.

Corresponding author

Correspondence to Roberto Suárez-Alvarez.

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The authors declared that they have no conflict of interest.

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Hevia, A., Iachini, R., Fernández, J. et al. Mycosis Due to Tropicoporus tropicalis (= Inonotus tropicalis) in a Domestic Dog. Mycopathologia 184, 701–706 (2019). https://doi.org/10.1007/s11046-019-00368-1

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  • DOI: https://doi.org/10.1007/s11046-019-00368-1

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