摘要
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Cryptococcal meningitis and encephalitis is reported in a 5-year-old bull. The clinical signs included multifocal neurological deficits manifested by hypermetria, ataxia, depression, circling, impaired vision, head pressing, low h...
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Cryptococcal meningitis and encephalitis is reported in a 5-year-old bull. The clinical signs included multifocal neurological deficits manifested by hypermetria, ataxia, depression, circling, impaired vision, head pressing, low head carriage, wide-based stance, and falling to the side or backwards. At necropsy, 6 cavities with a gelatinous content were observed in the brain and brain stem, and the meninges were thickened and off white. Numerous yeasts, with a nonstaining capsule, and associated mild inflammatory reaction were observed histologically. Specimens for culture were not collected at necropsy, but the identity of the yeast in tissue sections as <i>Cryptococcus neoformans</i> var. <i>grubii</i> was supported by immunohistochemistry.Digital Object Identifier http://dx.doi.org/10.1177/1040638711416624
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