Because of sudden death of several frogs following the renewal of a terrarium, two giant ditch frogs (Leptodactylus fallax) were submitted for post-mortem examination. The animals displayed extensive erythematous to ulcerative skin lesions as well as multiple granulomas in the liver, kidney and skeletal musculature. In skin lesions as well as in the brownish granulomas, pigmented fungal sclerotic bodies were found in addition to pigmented hyphal structures, though less common. The fungal pathogen, although not further classified in this study was identified as the etiological agent for chromoblastomycosis (synonym: chromomycosis), a leading cause of fatal systemic disease in poikilothermic animals. It is also a cause of chronic skin disease in human beings and therefore a potential zoonotic agent.
- fungal diseases
- zoo animals
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Presented at This cases were send to the Joint Pathology Center for the Wednesday Slide Conference (Conference 9, 2014).
Contributors MC did the necropsy of one frog, prepared the manuscript and the photos; SK did the necropsy of one frog and corrected the manuscript; J-MH corrected the manuscript and collected the information of the zoo; SS corrected the manuscript and did the bacteriology; MH helped with the preparation of the manuscript and the photos as well as corrected the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
Data availability statement No additional data are available.
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