J Gynecol Oncol.
2019 Sep;30(5):e70. 10.3802/jgo.2019.30.e70.
Improved preoperative risk stratification with CA-125 in low-grade endometrial cancer: a multicenter prospective cohort study
- Reijnen C
- Visser NC
- Kasius JC
- Boll D
- Geomini PM
- Ngo H
- Van Hamont D
- Pijlman BM
- Vos MC
- Bulten J
- Snijders M
- Massuger L
- Pijnenborg JM
- Affiliations
-
- 1Department of Obstetrics and Gynaecology, Radboud University Medical Center, Nijmegen, The Netherlands. Casper.reijnen@radboudumc.nl
- 2Department of Obstetrics and Gynaecology, Canisius-Wilhelmina Hospital, Nijmegen, The Netherlands.
- 3Department of Pathology, Radboud University Medical Center, Nijmegen, The Netherlands.
- 4Centre of Gynaecologic Oncology Amsterdam, Academic Medical Center, Amsterdam, The Netherlands.
- 5Department of Obstetrics and Gynaecology, Catharina Hospital, Eindhoven, The Netherlands.
- 6Department of Obstetrics and Gynaecology, MÃ xima Medical Centre, Veldhoven, The Netherlands.
- 7Department of Obstetrics and Gynaecology, Elkerliek Hospital, Helmond, The Netherlands.
- 8Department of Obstetrics and Gynaecology, Amphia Hospital, Breda, The Netherlands.
- 9Department of Obstetrics and Gynaecology, Jeroen Bosch Hospital, 's-Hertogenbosch, The Netherlands.
- 10Department of Obstetrics and Gynaecology, Elisabeth-Tweesteden Hospital, Tilburg, The Netherlands.
- KMID: 2457150
- DOI: http://doi.org/10.3802/jgo.2019.30.e70
Abstract
OBJECTIVES
The global obesity epidemic has great impact on the prevalence of low-grade endometrial carcinoma. The preoperative tumor serum marker cancer antigen 125 (CA-125) might contribute to improved identification of high-risk patients within this group. The study aimed to investigate the prognostic value of CA-125 in relation to established preoperative prognosticators, with a focus on identifying patients with poor outcome in low-grade endometrial carcinoma (EC) patients.
METHODS
Prospective multicenter cohort study including all consecutive patients surgically treated for endometrial carcinoma in nine collaborating hospitals from September 2011 until December 2013. All preoperative histopathological diagnoses were reviewed in a blinded manner. Associations between CA-125 and clinicopathological features were determined. Univariable and multivariable analysis by Cox regression were used. Separate analyses were performed for preoperatively designated low-grade and high-grade endometrial carcinoma patients.
RESULTS
A total of 333 patients were analyzed. CA-125 was associated with poor prognostic features including advanced International Federation of Gynecology and Obstetrics (FIGO) stage. In multivariable analysis, age, preoperative tumor and CA-125 were significantly associated with disease-free survival (DFS); preoperative grade, tumor type, FIGO and CA-125 were significantly associated with disease-specific survival (DSS). Low-grade EC patients with elevated CA-125 revealed a DFS of 80.6% and DSS of 87.1%, compared to 92.1% and 97.2% in low-grade EC patients with normal CA-125.
CONCLUSION
Preoperative elevated CA-125 was associated with poor prognostic features and independently associated with DFS and DSS. Particularly patients with low-grade EC and elevated CA-125 represent a group with poor outcome and should be considered as high-risk endometrial carcinoma.
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