The role of preoperative serum CA-125 levels in predicting lymph node metastasis in patients undergoing treatment for endometrial cancer

Year 2024, , 114 - 119, 15.01.2024

Savaş Özdemir , Fatih Şahin , Ozan Doğan , Alp Koray Kinter , Özgür Akbayir

https://doi.org/10.32322/jhsm.1403151

Abstract

Aims: Endometrial cancer stands as the most prevalent gynecological malignancy in developed nations, often detected at an early stage, and generally carries a positive prognosis. The stage of the disease is important for survival, but many factors such as tumor grade, histopathology, myometrial invasion, age, and spread are also effective. Our objective was to assess the significance of preoperative Cancer antigen 125 (CA-125) concentrations in the prediction of lymph node metastasis in patients with endometrial cancer and to identify a suitable threshold value.
Methods: This retrospective analysis was carried out on 286 female patients diagnosed with endometrial cancer at a specialized gynecologic oncology facility from 2012 to 2022. We examined clinical-pathological and demographic attributes, including preoperative serum CA-125 concentrations, surgical interventions conducted for each patient, post-treatment physical assessments, imaging findings, and cytological outcomes. CA-125 was measured using electrochemiluminescence immunoassay.
Results: Statistically significant differences were observed in CA-125 levels among patients in terms of grade, invasion depth, lymph node involvement, cervical involvement, and stage (respectively, p<0.001, p=0.042, p<0.001, p<0.001, p<0.001). The FIGO advanced stage ratio was 30.6 times higher for serum CA-125 concentrations above the cutoff of 21 IU/ml (95% CI: 10.7-87.6) (p<0.001). Lymph node involvement was 29.7 times more likely for serum CA-125 values above the cutoff of 35 IU/ml (95% CI: 25.3-74.8) (p<0.001).
Conclusion: Early identification of high-risk endometrial cancer patients is vital for prognosis and guiding adjuvant therapy. CA-125, a tumor marker, has been found useful in assessing myometrial invasion depth, lymph node involvement, stage differentiation, and tumor grade.

Keywords

CA-125, endometrial cancer, metastasis, lymph node, predictive marker

Ethical Statement

Prof.DR.CEMİL TAŞCIOĞLU ŞEHİR HASTANESİ KLİNİK ARAŞTIRMALAR ETİK KURULU 23.10.23 NO:232

Supporting Institution

NONE

Project Number

232

Thanks

NONE

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