@article{oai:mie-u.repo.nii.ac.jp:00010169,
 author = {水橋, 福太郎 and Mizuhashi, Fukutaro and 宮崎, 照雄 and Miyazaki, Teruo and 舟橋, 紀男 and Funahashi, Norio and 窪田, 三朗 and Kubota, Saburoh S.},
 issue = {4},
 journal = {魚病研究},
 month = {Mar},
 note = {application/pdf, 1 ) 養殖ニジマスに発生した腎腫傷について病理組織学的に検討した結果，木腫傷は腎芽腫（ウイルムス腫傷）であることがわかった。 2 ) 本腫傷は個体により構成細胞に相違があり，タイプが異なっていた。 症例Ⅰでは東状をなして錯綜する平滑筋細胞が構成主体となり，その間に上皮性腫傷細胞群および未分化間葉系細胞群が散在していた。一方症例Ⅱでは未分化間葉系細胞が構成主体であった。 3 ) 今回研究した材料では転移はみられなかった。 4 ) ニジマスの腎実質の分化についても観察した。, The present authors histopathologically examined renal tumors of two 3-year old rainbow trouts, which were reared in Samegai trout culture station in 1974. The tumors were as large as the size of a hen's egg in the posterior part of the kidney. The tumor consisted of a large number of neoplastic nodules and around which neoplastic islets were scattered in the hematopoietic tissue. The histopathological examination revealed that they were nephroblastoma (known as Wilms' tumor) with two different characteristics. Type Ⅰ ; Neoplastic nodules were composed of a large number of smooth muscle cells in differentiations, well-differentiated renal tubular epithelial cells and a small number of undifferentiated messenchymal cells with argyrophiric fine fibers. Mitotic figures were frequently observed in smooth muscle fibers and messenchymal cells.Type Ⅱ : Neoplastic nodules were composed of a large number of undifferentiated messenchymal cells and islets of immature renal tubular epithelial cells. Mitotic figures were numerous in both types of cells. Metastatic lesions were not observed in both cases.},
 pages = {173--178},
 title = {魚類の腫瘍ならびに腫瘍様病変に関する研究-Ⅱ. : 養殖ニジマスの腎芽腫(ウイルムス腫瘍）},
 volume = {13},
 year = {1979}
}