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http://dx.doi.org/10.14405/kjvr.2015.55.2.149

A case of malignant dysgerminoma in a slaughtered dairy cow  

Jung, Ji-Youl (Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency)
Her, Ji-Woong (Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency)
Jeong, Yea-Ji (Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency)
Ku, Kyung-Nyer (Gyeonggi-do Veterinary Service)
Choi, Kwon-Rac (Gyeonggi-do Veterinary Service)
So, Byung-Jae (Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency)
Yoon, Soon-Seek (Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency)
Publication Information
Korean Journal of Veterinary Research / v.55, no.2, 2015 , pp. 149-152 More about this Journal
Abstract
An abnormally enlarged right ovary and a mass in fat surrounding the right kidney were discovered in a dairy cow during routine postmortem examination at slaughter. The ovary was dark reddish and multinodular in shape. Numerous cystic structures were identified in the mass. Histopathologically, the ovary was completely replaced with large, uniform, polyhedral neoplastic cells containing vesicular nuclei and prominent nucleoli. The mitotic index was high. In the lymphatic vessels, tumor emboli were observed. Another mass in the fat surranding the right kidney had the same histological features as the ovarian mass. This animal was diagnosed with malignant dysgerminoma and metastasis to other peritoneal organs.
Keywords
dairy cow; dysgerminoma; metastasis; ovary;
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