4.5 Article

The prognostic significance of preoperative sevum CA 19-9 in patients with resectable gastric carcinoma:: Comparison with CEA

Journal

JOURNAL OF SURGICAL ONCOLOGY
Volume 76, Issue 4, Pages 266-271

Publisher

WILEY-LISS
DOI: 10.1002/jso.1044

Keywords

gastric cancer; CA 19-9; carcinoembryonic antigen; prognosis

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Background and Objectives: In this study, the prognostic value of preoperative serum levels of tumor markers CA 19-9 and carcinoembryonic antigen (CEA) in gastric carcinoma which has been a controversial matter was investigated. Methods: Preoperative serum CA 19-9 (cut-off value 37 U/ml) and CEA (cut-off value 5 ng/ml) levels were measured in 168 patients with resectable gastric carcinoma. The correlation between tumor marker levels and clinicopathological features and overall survival was studied. Results: CA 19-9 and CEA positivity rates were 31.5 and 17.8% respectively. In CA 19-9 positive patients, the ratio of males, tumors exceeding subserosa and advanced stage tumors (stages III and IV) was significantly higher (P = 0.052, P = 0.0005 and P = 0.029, respectively). A weak correlation was found with CA 19-9 positivity and tumor location, however, no correlation existed between CA 19-9 positivity and age, tumor size, histologic type, lymph node, hepatic and peritoneal metastasis. The proportion of tumors extending beyond subserosa and with Lymph node metastasis was significantly higher in CEA positive patients (P = 0.811 and P = 0.045, respectively). No correlation was found between CEA positivity and gender, age, tumor location, tumor size, and hepatic and peritoneal metastasis: however, a weak correlation existed between CEA positivity and histologic type and tumor stage. Overall survival was significantly poorer in CA. 19-9 and CEA positive patients (log-rank test, P = 0.014, P = 0.003, respectively). However, the Cos proportional hazards regression analysis did not show independent prognostic value for both tumor markers. Conclusions: In resectable gastric carcinoma, preoperative serum CA 19-9 and CEA levels ma indicate stage of the disease, but neither has an independent prognostic value. (C) 2001 Wiley-Liss, Inc.

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