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Korean Journal of Obstetrics & Gynecology 2004;47(6):1132-1137.
Published online June 1, 2004.
The Prognostic Significance of Serum CA 125 Levels in Patients with Advanced Serous Epithelial Ovarian Cancer.
Ji Soo Lee, Ji Un Kim, Sung O Moon, Joong Sub Choi, Sun Joo Lee, Jeong Won Lee, Chang Soo Park, Byoung Gie Kim, Je Ho Lee, Duk Soo Bae
Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
In this retrospective study, we analyzed the clinicopathologic characteristics of advanced serous epithelial ovarian cancer and evaluated the prognostic factors which have an impact on survival of patients with epithelial ovarian cancer. We also compared several analyzing methods of CA 125 for predicting prognosis of advanced serous epithelial ovarian cancer. METHODS: A total of 57 patients with advanced serous epithelial ovarian cancer who were treated at Samsung Medical Center between Aug. 1995 and Jul. 2000 were included. Medical records including pathologic reports were reviewed to identify clinicopathologic characteristics and serum levels of CA 125. Five different methods of analyzing serum CA 125 were compared for predicting the prognosis of advanced serous epithelial ovarian cancer. Survival curves were analyzed by Kaplan-Meier method and Cox proportional hazards model. RESULTS: The median age of all patients was 54.2 years. In univariate analysis, age, FIGO stage, grade, residual tumor and ascites showed no significant correlation with prognosis. Among five different analyzing methods of serum CA 125 levels, normalization after 3rd chemotherapy was correlated with improved 5-year survival rate (p=0.026). CONCLUSION: This study showed that normalization of serum levels of CA 125 after 3rd chemotherapy is useful for predicting prognosis of advanced serous epithelial ovarian cancer patients.
Key Words: Advanced serous epithelial ovarian cancer, Prognostic factor, Serum CA 125

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