Importance of diagnosis of cryptococcosis in companion animals aiming an alert to public health

In this case female canine, Dachshund, at one year and eight months, which initially presented cough, then sudden bilateral blindness, emesis and dyspnea. Evolving to opisthotonos, nystagmus, convulsion, and soon in respiratory arrest and death. Microscopy of lesions found in the central nervous system, peri-bronchial lymph nodes and pulmonary alveoli revealed numerous yeasts. The lesions were associated with the presence of intralesional yeasts, compatible with Cryptococcus neoformans. This disease is uncommon in the Northwest region of the State of Rio Grande do Sul, but should be suspected in future diagnoses and be concerned with the imminent risk to public health.