期刊
GYNECOLOGIC ONCOLOGY
卷 141, 期 3, 页码 559-563出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygyno.2016.04.008
关键词
Hormone receptor; ER; PR; Prognosis; Endometrial cancer; Highgrade; Serous; Endometrioid
资金
- Calgary Laboratory Services internal research support [RS10-536]
Objective. To assess the association of hormone receptor expression with outcome in high-grade endometrial carcinomas. Methods. This study included three sites participating in the Canadian High Risk Endometrial Cancer (CHREC) consortium. Sections from tissue microarrays containing cases with a diagnosis of endometrioid grade 3 (EC3) and endometrial serous carcinoma (ESC) were assessed for estrogen (ER) and progesterone receptor (PR) expression by immunohistochemistry. Expression was considered present if >1% of tumor cell nuclei were labeled. Associations with overall survival were assessed. Results. ER expression was present in 168/216 (78%) of ED and 124/192 (65%) of ESC. PR expression was present in 148/212 (70%) of EC3 and 83/196 (42%) of ESC. PR expression was significantly associated with favorable overall survival in ED and ESC (log rank, p = 0.018 and p = 0.0024) but ER expression was not. PR expression was significantly associated with favorable overall survival in EC3 independent of age, stage, center and lymph-vascular invasion (hazard ratio = 0.457, 95% CI 0.257-0.811, p = 0.0075) as well as in stage I and II ESC (hazard ratio = 0.266, 95% CI 0.094-0.750, p = 0.0123). Conclusion. Our data provide support for the assessment of the PR expression status in ED and ESC. Future work will be required to determine how PR expression may be incorporated into management of patients with EC3 and ESC. (C) 2016 Elsevier Inc. All rights reserved.
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