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Renal Leiomyosarcoma with Hepatic Metastasis in an Asian Water Buffalo (Bubalus arnee)  

Cho Ho-Seong (Department of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University)
Kim Yeong-Seob (Department of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University)
Park Nam-Yong (Department of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University)
Publication Information
Journal of Veterinary Clinics / v.23, no.2, 2006 , pp. 194-196 More about this Journal
Abstract
A leiomyosarcoma that occurred in the right kidney with hepatic metastasis of a 15-year-old intact female Asian water buffalo (Bubalus arnee) in a zoo, Republic of Korea. The animal showed no clinical signs. Grossly, a firm and white mass (6.0 x- 5.0- x 4.0 cm) was observed in the renal capsule and multiple firm white nodules, measuring 1.0-2.5 cm, were present on the surface of the liver. Microscopically, tumor cells were spindle-shaped, the cell density was high, and complex fasciculated tumor cells showing longitudinal and transverse cross-sections were observed. Tumor cell nuclei was ordinarily cigar shaped and had rounded blunt ends. Immunohistochemically, tumor cells reacted intensely with anti-smooth muscle actin antibody. This is the first case report of a renal leiomyosarcoma with hepatic metastasis in a Asian water buffalo.
Keywords
leiomyosarcoma; kidney; hepatic metastasis; Asian water buffalo;
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