endometrioid tumor


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en·do·me·tri·oid tu·mor

a tumor of the ovary containing epithelial or stromal elements resembling tumors of the endometrium.

en·do·me·tri·oid tu·mor

(en'dō-mē'trē-oyd tū'mŏr)
A tumor of the ovary containing epithelial or stromal elements resembling tumors of the endometrium.
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Investigators have found that up to a 10% serous component within an endometrioid tumor can confer a worse prognosis and likely warrants more aggressive treatment (Cancer 2004;101:2214-21).
Compared with the other 2 groups, the MLH1 methylated group was associated with a higher-grade endometrioid tumor with lymphovascular invasion, and 19% had the distinctive undifferentiated histology.
The reported degree of immunoreactivity in FIGO 3 endometrioid tumor is markedly less, ranging from 15% to 50%.
Morules with optically clear nuclei in ovarian borderline endometrioid tumor.
Specifically, each endometrioid tumor was annotated with information on the mutational status of genes previously shown to be frequently altered in both ovarian and endometrial endometrioid adenocarcinomas.
Gly-to-Asp (GGT [right arrow] GAT) mutations at codon 12 of the K-ras gene were common for two borderline tumors (one mucinous and one serous), two mucinous ovarian carcinomas, one clear cell neoplasm, one endometrioid tumor, and one nonepithelial tumor, but not for the serous ovarian carcinomas.
Most endometrioid tumors, by contrast, have few copy number alterations or mutations in TP53, though there are frequent mutations in other well known cancer-associated genes, including PTEN, another tumor suppressor gene, and KRAS, a gene involved in regulating cell division.
Most endometrioid tumors are diagnosed at an early clinical stage and are associated with an overall favorable prognosis (25).
1,2) Endometrioid adenocarcinoma also typically exhibits glandular, papillary, and solid patterns, but variant patterns in endometrioid tumors have been described.
Peritoneal implants that are associated with endometrioid tumors can be distinguished from endometriosis by their lack of endometrial stroma and hemorrhage.
11) found the percentage of CA125-positive tumors to be highest for serous tumors (85%-90%), lowest for mucinous tumors (6%-12%), and intermediate for clear cell and endometrioid tumors (40%-65%).
9, especially in mucinous or endometrioid tumors, but only if CA125 is not increased at presentation (13).