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Clinical Significance of Early Carcinoembryonic Antigen Change in Patients With Nonmetastatic Colorectal Cancer

Authors
 Younghoo Jo  ;  Jae-Hoon Lee  ;  Eun-Suk Cho  ;  Hye Sun Lee  ;  Su-Jin Shin  ;  Eun Jung Park  ;  Seung Hyuk Baik  ;  Kang Young Lee  ;  Jeonghyun Kang 
Citation
 FRONTIERS IN ONCOLOGY, Vol.12 : 739614, 2022-05 
Journal Title
FRONTIERS IN ONCOLOGY
Issue Date
2022-05
Keywords
CEA ; colorectal neoplasm ; iAUC ; prognosis ; survival
Abstract
Background: This study aimed to evaluate the prognostic significance of preoperative, postoperative, and trajectory changes in carcinoembryonic antigen (CEA) levels in patients with colorectal cancer (CRC).

Methods: This retrospective study included patients who underwent surgical resection for nonmetastatic CRC. The optimal cutoff values of preoperative CEA (CEA-pre), early postoperative CEA (CEA-post), and CEA level change (CEA-delta) were determined to maximize the differences in overall survival (OS) among groups. The patients were divided into three groups according to CEA-trend: normal, low CEA-pre; normalized, high CEA-pre/low CEA-post; elevated, high CEA-pre/high CEA-post. The integrated area under the curve (iAUC) was used to compare the discriminatory power of all variables.

Results: A total of 1019 patients diagnosed with stage I-III CRC were enrolled. The optimal cutoff values of CEA level were determined as 2.3 ng/mL for CEA-pre, 2.3 ng/mL for CEA-post, and -0.93 ng/mL for CEA-delta. Although subgroup dichotomization showed that CEA-pre, CEA-post, CEA-delta, and CEA-trend were all associated with OS in univariate analysis, CEA-trend was the only independent prognostic factor in multivariate analysis. The iAUC of CEA-trend was superior to that of CEA-pre, CEA-post, and CEA-delta. Compared with the normal group, the normalized group showed worse OS (p=.0007) in stage II patients but similar OS (p=.067) in stage III patients.

Conclusion: The optimal cutoff value of CEA level in the preoperative and postoperative periods was determined to be 2.3 ng/mL, and the combination of CEA-pre and CEA-post showed better prognostic stratification. However, its prognostic significance may differ depending on the CRC stage.
Files in This Item:
T202201928.pdf Download
DOI
10.3389/fonc.2022.739614
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Nuclear Medicine (핵의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Kang, Jeonghyun(강정현) ORCID logo https://orcid.org/0000-0001-7311-6053
Park, Eun Jung(박은정) ORCID logo https://orcid.org/0000-0002-4559-2690
Baik, Seung Hyuk(백승혁) ORCID logo https://orcid.org/0000-0003-4183-2332
Shin, Su Jin(신수진) ORCID logo https://orcid.org/0000-0001-9114-8438
Lee, Kang Young(이강영)
Lee, Jae Hoon(이재훈) ORCID logo https://orcid.org/0000-0002-9898-9886
Lee, Hye Sun(이혜선) ORCID logo https://orcid.org/0000-0001-6328-6948
Cho, Eun Suk(조은석)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/188678
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