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A 5-yr-old, intact male red ruffed lemur ( Varecia rubra ) presented for evaluation as the result of a 1-wk history of lethargy and hyporexia. Physical examination findings included thin body condition, muffled heart sounds, harsh lung sounds, and liquid brown diarrhea. Complete blood count and serum biochemistry showed an inflammatory leukogram, mild hyponatremia, and mild hypochloremia. Orthogonal trunk radiographs revealed a severe alveolar pattern in the right cranial lung lobes with cardiac silhouette effacement. Thoracic ultrasound confirmed a large, hypoechoic mass in the right lung lobes. Fine-needle aspiration of the lung mass and cytology revealed fungal yeast organisms, consistent with Blastomyces dermatitidis. Blastomyces Quantitative EIA Test on urine was positive. Postmortem examination confirmed systemic blastomycosis involving the lung, tracheobronchial lymph nodes, spleen, kidney, liver, cerebrum, and eye. To the authors' knowledge, this is the first report of blastomycosis in a prosimian species.

Objective: To evaluate clinical and laboratory findings, treatment, and clinical outcome in cats with blastomycosis., Design: Retrospective case series., Animals: 8 cats with naturally occurring blastomycosis., Procedures: Medical records of the University of Illinois Veterinary Teaching Hospital were searched for cases of blastomycosis in cats diagnosed via cytologic or histopathologic findings. Clinical and laboratory findings, treatment, and clinical outcome were determined. Radiographs were reviewed for the 8 cases., Results: All cats were systemically ill. Respiratory tract signs and dermal lesions were most commonly observed. All cats had radiographic evidence of respiratory tract disease. Seven of the 8 cats had ill-defined soft-tissue opacities (nodules or masses) or alveolar consolidation of the lungs. Antemortem diagnosis was achieved cytologically in 6 of the 8 cats, and 3 were successfully treated and survived., Conclusions and Clinical Relevance: In contrast to previous reports, diagnosis was achieved antemortem in most of the cats (all by cytologic identification of the organism). Clinical signs, laboratory findings, and outcome were similar to previous descriptions of this rare disease in cats.