T Motoyama, N Sasano, S Yonezawa, O Matsuzaki, A Kawaoi, Y Kamata, S Sasou, S Arai, R Takanashi, T Sano
{"title":"Early stage of development in testicular choriocarcinomas.","authors":"T Motoyama, N Sasano, S Yonezawa, O Matsuzaki, A Kawaoi, Y Kamata, S Sasou, S Arai, R Takanashi, T Sano","doi":"10.1111/j.1440-1827.1993.tb02574.x","DOIUrl":null,"url":null,"abstract":"<p><p>Choriocarcinoma is the most malignant among germ cell tumors in the testis. However little is known about the early stage of its development. To understand the development of testicular choriocarcinomas, twenty cases of testicular choriocarcinoma were studied histologically and immunohistochemically. It was found that in the early stage of development, choriocarcinomas imitate the morphologic or functional differentiation of normal trophoblasts. It was also found that some choriocarcinomas regress spontaneously in the early stage. The majority of choriocarcinomas seemed to develop by first going through the embryonal carcinoma phase. However, there were some choriocarcinomas that showed no relationship with embryonal carcinoma.</p>","PeriodicalId":75413,"journal":{"name":"Acta pathologica japonica","volume":"43 6","pages":"320-6"},"PeriodicalIF":0.0000,"publicationDate":"1993-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/j.1440-1827.1993.tb02574.x","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta pathologica japonica","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1111/j.1440-1827.1993.tb02574.x","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
Choriocarcinoma is the most malignant among germ cell tumors in the testis. However little is known about the early stage of its development. To understand the development of testicular choriocarcinomas, twenty cases of testicular choriocarcinoma were studied histologically and immunohistochemically. It was found that in the early stage of development, choriocarcinomas imitate the morphologic or functional differentiation of normal trophoblasts. It was also found that some choriocarcinomas regress spontaneously in the early stage. The majority of choriocarcinomas seemed to develop by first going through the embryonal carcinoma phase. However, there were some choriocarcinomas that showed no relationship with embryonal carcinoma.
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