Malignant Seminoma with Multiple Visceral Metastases in a Guinea Fowl (Numida meleagris) Kept in a Zoo

被引：9
|
作者：
Golbar, H. M. [1 ]
Izawa, T. [1 ]
Kuwamura, M. [1 ]
Yonezawa, M. [2 ]
Ito, S. [2 ]
Yamate, J. [1 ]
机构：
[1] Osaka Prefecture Univ, Lab Vet Pathol Life & Environm Sci, Naka Ku, Osaka 5998531, Japan
[2] Adventure World AWS Co Ltd, Shirahama, Wakayama 6492201, Japan
来源：
AVIAN DISEASES | 2009年 / 53卷 / 01期
关键词：
guinea fowl; malignant seminoma; Numida meleagris; germ cell tumor;
D O I：
10.1637/8460-082808-Case.1
中图分类号：
S85 [动物医学（兽医学）];
学科分类号：
0906 ;
摘要：
A case of seminoma found in an adult guinea fowl (Numida meleagris) that has been exhibited in a zoo is reported. The right testis was extremely enlarged and replaced by round and polyhedral pleomorphic neoplastic cells showing nest, sheet, and diffuse growth patterns. The neoplastic cells had acidophilic cytoplasm and hyperchromatic and eccentrically placed nuclei. Metastatic lesions composed of diffuse growth of neoplastic cells similar to those of the primary tumor were seen in the liver, lungs, kidneys, and heart, and neoplastic emboli were often detected within blood vessels of these organs, indicating hematogenous metastasis. This is the first report of malignant seminoma with multiple metastases in the visceral organs in the guinea fowl.
引用
收藏
页码：143 / 145
页数：3
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