Pneumonia by Cryptococcus neoformans in a goat in the Southern region of Brazil
Ronaldo Michel Bianchi | Bianca Santana de Cecco | Claiton Ismael Schwertz | Welden Panziera | Caroline Pinto de Andrade | Andreia Spanamberg | Ana Paula Ravazzolo | Laerte Ferreiro | David Driemeier
ABSTRACT: This report describes the clinical, pathological, and molecular aspects of a pneumonia by Cryptococcus neoformans in a goat in the Southern region of Brazil. A goat with a history of prolonged transportation presented dyspnea, nasal discharge and cough, and was subjected to necropsy, histopathology, and mycological evaluation. Grossly, cranio-ventral pulmonary consolidation was observed, characterized by firm and grayish areas interspersed with dark red foci. Histopathology of the lungs showed areas of parenchymal necrosis, containing blastoconidia with a slightly basophilic central cell, surrounded by an unstained capsule. It was associated with moderate granulomatous inflammatory infiltrate and peripheral fibrosis. The capsule and fungus cell exhibited marked Alcian Blue and periodic acid-Schiff staining, respectively. Diagnosis of fungal pneumonia by C. neoformans was based on clinical, pathological, and molecular findings.
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