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Volume 32, Number 9—September 2026

Research Letter

Autochthonous Canine Pythiosis Linked with Freshwater Exposure, Italy, 2021–2024

Andrea PeanoComments to Author , Anna Rita Molinar Min, Patrizia Danesi, Francesco Albanese, Nicla Furiani, Moira Monaco, Fabiano Necci, Chiara Noli, Sofia Sgubin, Antonella Varina, and Mario Pasquetti
Author affiliation: Universita degli Studi di Torino, Torino, Italy (A. Peano, A.R. Molinar Min, M. Pasquetti); Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy (P. Danes, S. Sgubin); CDVet—Laboratorio Analisi Veterinarie, Rome, Italy (F. Albanese, F. Necci); Clinica Veterinaria Città dei Papi, Viterbo, Italy (N. Furiani); Veterinaria Cetego, Rome, Italy (M. Monaco); Ospedale Veterinario Anubi Bluvet, Ca’Zampa, Torino (C. Noli); private practice, Torino (A. Varina)

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Figure 2

Representative cutaneous manifestations of canine pythiosis for a study of autochthonous canine pythiosis linked with freshwater exposure, Italy, 2021–2024. Lesions were characterized by chronic ulceration, nodules or plaques, draining tracts, and extensive proliferative to necrotizing cutaneous involvement. A) Extensive ulcerative and proliferative lesions involving the dorsal region. B) Ulcerative plaque affecting the dorsal thoracic region. C) Extensive ventral cutaneous involvement with ulcerative and proliferative lesions. D) Severe chronic ulcerative and exudative lesion affecting the left forelimb.

Figure 2. Representative cutaneous manifestations of canine pythiosis for a study of autochthonous canine pythiosis linked with freshwater exposure, Italy, 2021–2024. Lesions were characterized by chronic ulceration, nodules or plaques, draining tracts, and extensive proliferative to necrotizing cutaneous involvement. A) Extensive ulcerative and proliferative lesions involving the dorsal region. B) Ulcerative plaque affecting the dorsal thoracic region. C) Extensive ventral cutaneous involvement with ulcerative and proliferative lesions. D) Severe chronic ulcerative and exudative lesion affecting the left forelimb.

Main Article

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Page updated: September 01, 2026
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