Cryptococcus gattii molecular type VGII infection associated with lung disease in a goat.

BMC Vet Res 2017 Feb 7;13(1):41. Epub 2017 Feb 7.

Departamento de Patologia, Serviço de Patologia Animal - Hospital Veterinário (HOVET), Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP), Av. Prof. Dr. Orlando Marques de Paiva 87, Cidade Universitária, São Paulo, SP, 05508-270, Brazil.

Background: Cryptococcus gattii-induced cryptococcosis is an emerging infectious disease of humans and animals with worldwide distribution and public health importance due to its significant morbidity and mortality rate. The present study aimed to report a case of pulmonary infection by C. gattii molecular type VGII in State of São Paulo, Brazil.

Case Presentation: A 5-year-old goat showing intermittent dry cough, ruminal tympany, anorexia, fever, tachycardia and tachypnea was presented for necropsy at the Veterinary Hospital of the School of Veterinary Medicine and Animal Sciences, São Paulo University, São Paulo, Brazil. Postmortem examination revealed numerous 2.0-6.0 cm diameter yellow gelatinous pulmonary masses. Tissues were evaluated by a combination of pathological, mycological, and molecular diagnostic techniques. Microscopically, pneumonia granulomatous, multifocal to coalescing, moderate, with many intralesional carminophilic yeasts was observed. The immunohistochemistry and mycological culture confirmed Cryptococcus spp. Internal transcribed spacers and orotidine monophosphate pyrophosphorylase nucleotide differentiation demonstrated that the isolate corresponds to the C. gattii VGII molecular subtype.

Conclusions: To our knowledge, this is the first report of a pulmonary infection in a goat linked to C. gattii molecular type VGII in Southeastern Brazil. Our findings emphasize the need for an active surveillance program for human and animal new infections to improve the current public health policies due to expansion of the epidemiological niche of this important microorganism.

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http://dx.doi.org/10.1186/s12917-017-0950-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5297049PMC

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February 2017
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