A case of Renal Oxalosis in a 3-Month-Old Cat Raised under Controlled Conditions
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概要
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The kidneys of a 3-month-old female cat were examined. The cat which had been raised under controlled conditions with no history of any poisoning showed progressive weight loss with increases in blood BUN and creatinine concentrations. At necropsy, both kidneys were firm in consistency with formation of focal scars. Histopathologically, widespread deposition of crystals was observed in the renal tubules (in both dilated lumina and degenerative epithelia) accompanying mild interstitial fibrosis with lymphocyte infiltration. The crystals were colorless or basophilic on the hematoxilin and eosin-stained section and could be visualized with polarized light as doubly fractile crystals. The crystals were identified as calcium oxalate crystals by histochemical examinations using von Kossa stain and alizarin red S stain under different conditions and by ultrastructural examination. Judging from the above-mentioned findings, the present renal lesion detected in an infant cat was diagnosed as renal oxalosis which was suspected to be hereditary in nature.
著者
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UETSUKA Koji
Nippon Institute for Biological Science
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NUNOYA Tetsuo
Nippon Institute for Biological Science
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Doi Kunio
Nippon Inst. For Biological Sci.
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SUZUKI Takayuki
Nippon Institute for Biological Science
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