Diagnostic exercise: cutaneous papules in a baboon.
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Biomedical subjects
Publications and source records attributed to G Migaki.
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Cerebral phaeohyphomycosis was diagnosed in a 9-year-old spayed dog that had a series of epileptic convulsions a day before death. About 6 weeks before her death, she had been treated for severe demodectic mange. During this period, persistent leukopenia, lymphocytopenia, and thrombocytopenia were found by blood analyses. At necropsy, multiple large pyogranulomatous lesions were found in the cerebrum and meninges. Dematiaceous fungi with brown, branching, septate hyphae and budding yeasts were found within tissue cells and in the necrotic areas.
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Hepatic trematodiasis caused by Cyclorchis campula was diagnosed in a juvenile Ganges River dolphin that had been in captivity at an aquarium for approximately 1 year. Histopathologic findings were severe chronic suppurative cholangitis, hyperplasia of the bile duct epithelium, and periductal fibrosis associated with fluke infection of the large bile ducts.
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Pulmonary cryptococcosis was diagnosed in a 7-year-old dolphin which had been in captivity for about 4 years. Cryptococcosis has been reported in a variety of animals, but this is the first report in a cetacean.
A severe necrotizing granulomatous lymphadenitis caused by Sporothrix schenckii was diagnosed in a Pacific white-sided dolphin (Lagenorhynchus obliquidens) that had been in captivity for about 3 years. Histopathologic and electron microscopic studies, as well as fluorescent antibody techniques, were used to identify S schenckii as the etiologic agent.
A solitary renal adenoma was an incidental finding at the pole of a kidney of an aged male Atlantic bottle-nosed dolphin (Tursiops truncatus) which had been captured in the Gulf of Mexico near St. Petersburg Beach, Fla, and maintained at Marine Attractions, Inc, St. Petersburg. The only other significant findings were widespread cutaneous lesions of Lobo disease.
Five pheasants and two ocellated turkeys from the San Diego Zoological Garden had multiple cecal nodules. These nodules were composed mostly of granulomas and fibrous hyperplastic tissue associated with Heterakis isolonche.
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