| Ovarian adenocarcinoma in white leghorn and Ogol chicken |
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Jeong-Im Ha1, Hyang Jee1, Jung-Mook Lim2, Jae-Yong Han2, Dae-Yong Kim1 |
1College of Veterinary Medicine, Seoul National University
2College of Agricultural Biotechnology, Seoul National University |
| 오골계와 백색산란계에서의 난소선암종 |
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하정임1, 지향1, 임정묵2, 한재용2, 김대용1 |
1서울대학교 수의과대학
2서울대학교 농업생명과학대학 |
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| Abstract |
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Necropsy was performed on a total of twenty three either white leghorn or ogol chickens which were more than 150 weeks of age. Among twenty three chickens examined, fifteen chickens were laying and the rest eight chickens were non-laying. On necropsy, neoplastic mass in the five chickens among non-laying chickens was found. These neoplastic masses were present mostly in the ovaries and one case in the liver and characterized by multifocal to coalescing 1 to 5 mm tan firm nodular formation. On histopathology, ovarian adenocarcinoma with widespread abdominal seeding and hepatic metastasis was diagnosed in the three chickens. Oviductal leiomyoma was also found in two chickens that had a focal well-demarcated nodules in the oviduct. Taken together, the number with ovarian adenocarcinoma among non-laying chickens over 150 week old was 37.5%. As most animal species do rarely develop ovarian tumors, the high rate of spontaneous ovarian adenocarcinoma in non-laying hen suggest that the hen is a proper model for human ovarian cancer study. |
| Key Words:
chicken, neoplasia, ovarian adenocarcinoma, oviductal leiomyoma |
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