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1 March 2008 Hemangiosarcoma in a South American Sea Lion (Otaria byronia)
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Abstract

A 10-yr-old male South American sea lion (Otaria byronia) died after several weeks of depression, anorexia, weight loss, and progressive respiratory distress. At necropsy, three confluent, lobulated, dark-red masses were noted in the mesentery. Similar masses were also observed in the lung and both kidneys. Hemangiosarcoma was diagnosed based on gross findings, histopathology, and immunohistochemistry. This is the first case of hemangiosarcoma reported in pinnipeds.

Mi-Hyeon You, Il-Hong Bae, Hyang Jee, Mi-Jin Yoo, Nam-Shik Shin, and Dae-Yong Kim "Hemangiosarcoma in a South American Sea Lion (Otaria byronia)," Journal of Zoo and Wildlife Medicine 39(1), 118-120, (1 March 2008). https://doi.org/10.1638/2007-0019.1
Received: 3 May 2007; Published: 1 March 2008
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