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KMID : 1094020090260050511
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Journal of Veterinary Clinics
2009 Volume.26 No. 5 p.511 ~ p.513
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Cholangiocarcinoma and Cloacal Prolapse in a Yellow-crowned Amazon Parrot (Amazona ocrocephala)
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Kim Ji-Yong
Park Jun-Won
Kwon Soo-Wahn
Oh Suk-Hun
Choi Yoon-Ju
Kim Dae-Yong
Shin Nam-Shik
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Abstract
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This report deals with a 3-year-old male Yellow-crowned Amazon (Amazona orcrocephala) that died after twenty five days history of cloacal prolapse. On necropsy, multiple to occasionally coalescing well-demarcated tan nodules were scattered throughout the entire liver lobes. The nodules were firm and slightly elevated from the surface. The neoplastic nodules were also recognized on cut sections of the liver. Histologically, the nepatic nodules consisted of cuboidal to low columnar cells forming tubular to acinar pattern with marked desmoplasia. The neoplastic cells had small to moderate amounts of eosinophilic cytoplasm and round nucleus with one to two prominent nucleoli. Based on these results, hepatic nodules was diagnosed as primary cholangiocellular carcinoma.
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KEYWORD
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Amazon parrot, Amazona ochrocephala, cholangiocarcinoma, cloacal prolapse
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