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Erschienen in: Annals of Surgical Oncology 4/2016

01.04.2016 | Gastrointestinal Oncology

Prognostic Significance of Carcinoembryonic Antigen Staining in Cancer Tissues of Gastric Cancer Patients

verfasst von: Wei Wang, MD, PhD, Sharvesh Raj Seeruttun, MD, Cheng Fang, MD, Jiewei Chen, MD, Yong Li, MD, Zhimin Liu, MD, PhD, Youqing Zhan, MD, Wei Li, MD, Yingbo Chen, MD, Xiaowei Sun, MD, Yuanfang Li, MD, PhD, Dazhi Xu, MD, PhD, Yuanxiang Guan, MD, Zhiwei Zhou, MD, PhD

Erschienen in: Annals of Surgical Oncology | Ausgabe 4/2016

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Abstract

Purpose

The aim of this study was to assess the significance of the correlation among tissue carcinoembryonic antigen (CEA) expression with serum CEA (sCEA) levels and long-term survival to highlight the clinical prognostic significance of tissue CEA expression in gastric cancer patients.

Methods

Immunohistological method and radioimmunoassay were used to assess tissue and sCEA expression, respectively. Univariate and multivariate analyses were performed to determine correlations, and the Kaplan–Meier method was used to investigate the prognostic significance.

Results

Our results demonstrate that tissue CEA in gastric cancer is significantly correlated with preoperative sCEA levels (p = 0.031), depth of invasion (p = 0.001), lymph node metastasis (p < 0.001), distant metastasis (p = 0.001), and TNM staging (p < 0.001). The 5-year survival rates were 67.6, 53.9, and 40.1 % for negatively, moderately, and intensely positively stained tissues (p < 0.001), and 57.0 and 37.9 % for serum with normal and elevated CEA expression (p = 0.031). Multivariate analysis revealed that tissue CEA can be considered an independent prognostic factor. Further analysis illustrated that patients with negative expression in both tissue and serum had better prognosis compared with those positively expressing CEA in both tissue and serum and/or those positively expressing CEA in either tissue or serum (p < 0.001). Our results also demonstrated that patients with negative tissue CEA staining and elevated sCEA expression had a better 5-year survival.

Conclusion

Tissue CEA expression in gastric cancer is directly correlated with sCEA levels and long-term prognosis. Thus, tissue CEA expression can be considered as a useful biomarker to improve the interpretation of sCEA levels in predicting long-term survival.
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Metadaten
Titel
Prognostic Significance of Carcinoembryonic Antigen Staining in Cancer Tissues of Gastric Cancer Patients
verfasst von
Wei Wang, MD, PhD
Sharvesh Raj Seeruttun, MD
Cheng Fang, MD
Jiewei Chen, MD
Yong Li, MD
Zhimin Liu, MD, PhD
Youqing Zhan, MD
Wei Li, MD
Yingbo Chen, MD
Xiaowei Sun, MD
Yuanfang Li, MD, PhD
Dazhi Xu, MD, PhD
Yuanxiang Guan, MD
Zhiwei Zhou, MD, PhD
Publikationsdatum
01.04.2016
Verlag
Springer International Publishing
Erschienen in
Annals of Surgical Oncology / Ausgabe 4/2016
Print ISSN: 1068-9265
Elektronische ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-015-4981-6

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