HISTOLOGIC AND IMMUNOHISTOCHEMICAL ANALYSIS OF 9 ENDOMETRIAL STROMAL TUMORS - AN UNEXPECTED HIGH-FREQUENCY OF KERATIN PROTEIN POSITIVITY

被引:16
作者
BINDER, SW
NIEBERG, RK
CHENG, L
ALJITAWI, S
机构
[1] UNIV CALIF LOS ANGELES,CTR HLTH SCI,DEPT PATHOL,CTR MED,LOS ANGELES,CA 90024
[2] KING HUSSEIN MED CTR,AMMAN,JORDAN
关键词
ENDOMETRIAL STROMAL TUMORS; LIGHT MICROSCOPY; KERATIN PROTEIN; IMMUNOSTAINS; EPITHELIOID LEIOMYOMA; CYTOKERATIN;
D O I
10.1097/00004347-199104000-00007
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Nine cases of endometrial stromal tumors were examined by light microscopy and a battery of immunostains for diagnostic purposes. Eight of the cases were originally classified as endometrial stromal tumors and one as an epithelioid leiomyoma. Three of six (50%) endometrial stromal sarcomas stained positively for keratin/cytokeratin. All of these same tumors stained for vimentin. One case originally considered an epithelioid leiomyoma on light microscopy was later diagnosed as a uterine tumor with sex cord features following strong positive immunostaining with keratin/cytokeratin antibodies and negative staining with antidesmin. These results show that immunoreactivity for epithelial differentiation may be present in endometrial stromal tumors. The diverse immunostaining patterns of the stromal tumors reflect the probable histogenesis of these neoplasms from primitive totipotential stem cells which may differentiate along epithelial and various mesenchymal cell lines.
引用
收藏
页码:191 / 197
页数:7
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