Bilateral ovarian tumors in a Otaria Byronyia and pyometra

Yi, Hyun (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Do, Sun-Hee (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Kim, Woo-Sook (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Lee, Young-Ha (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Lee, Suk-Hwan (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Yang, Hai-Jie (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Yuan, Wei (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Jeong, Da-Hee (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Hong, Il-Hwa (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Kim, Tae-Hwan (Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University) ;
Jeong, Kyu-Shik (Department of Pathology, College of Veterinary Medicine, Kyungpook National University)