Abstract:
:The aims of this study were to identity the roles of tumor vessels and hormone receptor status in normal, hyperplastic, and neoplastic endometrium, and to explore their relationships with other prognostic factors of endometrial adenocarcinoma. Endometrial curettage specimens of proliferative phase and secretory phase endometrium, simple hyperplasia with or without atypia, complex hyperplasia with or without atypia, and grade 1 adenocarcinoma were examined for estrogen receptor alpha (ER alpha), progesterone receptor (PgR), Ki-67 labeling index (LI), cyclin D1, microvessel density (MVD), and area of venules (AV) using an immunoperoxidase method. The results showed high levels of ER alpha in complex hyperplasia, and high levels of PgR in simple hyperplasia without atypia. Expression of ER alpha in the endometrium decreased in a stepwise manner from complex hyperplasia without atypia to grade 1 adenocarcinoma. Expression of PgR in the endometrium decreased in a stepwise manner from simple hyperplasia without atypia to grade 1 adenocarcinoma. In contrast, the expressions of Ki-67 LI, cyclin D1, MVD and AV in the endometrium increased in a stepwise manner from normal, simple or complex hyperplasia with or without atypia to grade 1 adenocarcinoma. These changes may become irreversible on progression from simple or complex hyperplasia to neoplasia.
journal_name
Pathol Intjournal_title
Pathology internationalauthors
Nunobiki O,Taniguchi E,Ishii A,Tang W,Utsunomiya H,Nakamura Y,Mori I,Kakudo Kdoi
10.1046/j.1440-1827.2003.01565.xsubject
Has Abstractpub_date
2003-12-01 00:00:00pages
846-52issue
12eissn
1320-5463issn
1440-1827pii
1565journal_volume
53pub_type
杂志文章abstract::Perivascular epithelioid cell tumor (PEComa) is a rare mesenchymal neoplasm, and malignant cases are extremely rare. A case of malignant PEComa arising in the colon is described herein. The patient was a 43-year-old Japanese woman without a history of tuberous sclerosis complex. The tumor occurred in the abdominal cav...
journal_title:Pathology international
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journal_title:Pathology international
pub_type: 杂志文章
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journal_title:Pathology international
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journal_title:Pathology international
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journal_title:Pathology international
pub_type: 杂志文章
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journal_title:Pathology international
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journal_title:Pathology international
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journal_title:Pathology international
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journal_title:Pathology international
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journal_title:Pathology international
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journal_title:Pathology international
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pub_type: 杂志文章,多中心研究
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journal_title:Pathology international
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journal_title:Pathology international
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journal_title:Pathology international
pub_type: 杂志文章,评审
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journal_title:Pathology international
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