{"title":"Occurrence, transplantation, and histologic characteristics of nephroblastoma in the Nb hooded rat.","authors":"G C Hard, R L Noble","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Ten kidney tumors conforming to nephroblastoma were encountered during a 10-year period in a closed colony of Nb hooded rats. Histologic examination of the primary neoplasms, and of a limited number of transplanted derivatives, indicates that spontaneous nephroblastoma in the rat is exclusively an epithelial neoplasm, consisting of dense aggregates of undifferentiated, basophilic blast cells set in a connective tissue stroma of benign character. This uniform entity should be clearly distinguished from renal mesenchymal tumor, a connective tissue neoplasm of heterogeneous form which is induced frequently in rats by certain chemical carcinogens.</p>","PeriodicalId":14519,"journal":{"name":"Investigative urology","volume":"18 5","pages":"371-6"},"PeriodicalIF":0.0000,"publicationDate":"1981-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Investigative urology","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Ten kidney tumors conforming to nephroblastoma were encountered during a 10-year period in a closed colony of Nb hooded rats. Histologic examination of the primary neoplasms, and of a limited number of transplanted derivatives, indicates that spontaneous nephroblastoma in the rat is exclusively an epithelial neoplasm, consisting of dense aggregates of undifferentiated, basophilic blast cells set in a connective tissue stroma of benign character. This uniform entity should be clearly distinguished from renal mesenchymal tumor, a connective tissue neoplasm of heterogeneous form which is induced frequently in rats by certain chemical carcinogens.
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