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中华结直肠疾病电子杂志 ›› 2021, Vol. 10 ›› Issue (01) : 50 -55. doi: 10.3877/cma.j.issn.2095-3224.2021.01.007

所属专题: 文献

论著

结直肠癌同时性肝转移患者原发灶切除的预后分析
马晓龙1, 关旭1, 杨润坤2, 刘恩瑞1, 魏然1, 赵志勋1, 黄海洋1, 陈海鹏1, 刘正1, 姜争1, 陈瑛罡3,(), 王锡山1,()   
  1. 1. 100021 北京,国家癌症中心/国家肿瘤临床医学研究中心/中国医学科学院北京协和医学院肿瘤医院结直肠外科
    2. 150081 哈尔滨医科大学附属第二医院结直肠肿瘤外科
    3. 518116 国家癌症中心/国家肿瘤临床医学研究中心/中国医学科学院北京协和医学院肿瘤医院深圳医院胃肠外科
  • 收稿日期:2020-12-17 出版日期:2021-02-25
  • 通信作者: 陈瑛罡, 王锡山
  • 基金资助:
    深圳市‘医疗卫生三名工程’(SZSM201911012); 中国医学科学院医学与健康科技创新工程项目(2016-I2M-1-001); 北京市科技计划(D171100002617002,D171100002617004); 中国癌症基金会,北京希望马拉松专项基金青年课题(LC2019B14)

Palliative primary tumor resection provides survival benefits for the patients with synchronous liver metastases colorectal cancer

Xiaolong Ma1, Xu Guan1, Runkun Yang2, Enrui Liu1, Ran Wei1, Zhixun Zhao1, Haiyang Huang1, Haipeng Chen1, Zheng Liu1, Zheng Jiang1, Yinggang Chen3,(), Xishan Wang1,()   

  1. 1. Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
    2. Department of Colorectal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150081, China
    3. Department of Gastrointestinal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
  • Received:2020-12-17 Published:2021-02-25
  • Corresponding author: Yinggang Chen, Xishan Wang
引用本文:

马晓龙, 关旭, 杨润坤, 刘恩瑞, 魏然, 赵志勋, 黄海洋, 陈海鹏, 刘正, 姜争, 陈瑛罡, 王锡山. 结直肠癌同时性肝转移患者原发灶切除的预后分析[J]. 中华结直肠疾病电子杂志, 2021, 10(01): 50-55.

Xiaolong Ma, Xu Guan, Runkun Yang, Enrui Liu, Ran Wei, Zhixun Zhao, Haiyang Huang, Haipeng Chen, Zheng Liu, Zheng Jiang, Yinggang Chen, Xishan Wang. Palliative primary tumor resection provides survival benefits for the patients with synchronous liver metastases colorectal cancer[J]. Chinese Journal of Colorectal Diseases(Electronic Edition), 2021, 10(01): 50-55.

目的

原发灶切除能否使结直肠癌肝转移患者生存获益,目前仍有争议。本研究探讨接受原发灶切除结直肠癌肝转移患者的生存状况及预后的影响因素。

方法

回顾性分析2010年1月~2018年2月在国家癌症中心/中国医学科学院肿瘤医院治疗的371例结直肠癌同时性肝转移患者的病例资料。根据治疗方式分为单纯化疗组和原发灶切除组,分析两组患者的预后情况。对两组患者进行倾向得分匹配,采用Kaplan-Meier法绘制生存曲线,应用Log-rank法比较两组患者的生存差异。应用Cox比例风险模型分析影响患者的预后因素。

结果

本研究共纳入371例患者,其中仅接受化疗患者209例,接受原发灶切除患者162例。倾向得分匹配后纳入288例患者进行统计学分析,发现原发灶切除组中位生存时间和3年肿瘤特异性生存率分别为22个月和21.4%,而单纯化疗组只有16个月和10.2%,原发灶切除组患者预后优于单纯化疗组(χ2=20.37,P<0.01)。多因素分析发现原发灶未切除、右半结肠癌、黏液腺癌,淋巴结转移以及CEA异常是结直肠癌同时性肝转移患者的独立危险因素。亚组分析显示除右半结肠癌、无淋巴结转移的患者外,其余亚组患者均能从原发灶切除中获益。

结论

对于肝转移灶无法切除的结直肠癌患者,原发灶切除能够使患者生存获益。

Objective

It is still under debate that whether unresectable liver metastases colorectal cancer patients can benefit from primary tumor resection. We aim to evaluate the survival benefits and prognostic factors of patients undergoing primary tumor resection.

Methods

A retrospective analysis of 371 patients with synchronous liver metastases of colorectal cancer diagnosed and treated at the National Cancer Center/ Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College from January 2010 to February 2018. According to the treatment methods, the patients were divided into chemotherapy group and primary tumor resection group. The prognosis of the two groups was analyzed and compared. Two groups were matched by the propensity score matching method, and Kaplan-Meier method was used to draw the survival curve, Log rank test was used to analyze the survival difference of two groups. Cox proportional risk model was used to analyze the factors affecting the prognosis of patients with unresectable synchronous liver metastases.

Results

A total of 371 patients were included in this study, which 209 patients received chemotherapy and 162 patients received primary tumor resection. After propensity score matching, 288 patients were included for statistical analysis. The prognosis of the primary tumor resection group was better than the chemotherapy group (median survival time 22 months vs. 16 months, and the 3-year CSS was 21.4% vs. 10.2%) (χ2=20.37, P<0.01). Multivariate analysis found that unresected primary tumor, right colon cancer, mucinous adenocarcinoma, lymph node metastasis and CEA abnormality were independent risk factors. Subgroup analysis showed that the patients could benefit from resection of the primary tumor except for patients with right colon cancer and negative lymph node.

Conclusion

For colorectal cancer patients with unresectable liver metastases, resection of the primary tumor can improve the cancer-specific survival.

表1 两组患者临床病理资料[例(%)]
表2 结直肠癌同时性肝转移患者预后的单因素和多因素COX分析
图1 单纯化疗与原发灶切除组总体生存情况。1A:倾向得分匹配前Kaplan-Meier曲线。1B:倾向得分匹配后Kaplan-Meier曲线
图2 亚组分析森林图
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