Prognostic impact of the metastatic lymph node number in intrahepatic cholangiocarcinoma

被引：13

作者：

Kim, Sung Hyun ^{[1
]}

Han, Dai Hoon ^{[1
]}

Choi, Gi Hong ^{[1
]}

Choi, Jin Sub ^{[1
]}

Kim, Kyung Sik ^{[1
,2
]}

机构：

[1] Yonsei Univ, Severance Hosp, Dept Hepatobiliary & Pancreat Surg, Coll Med, Seoul, South Korea

[2] Yonsei Univ, Severance Hosp, Dept Hepatobiliary & Pancreat Surg, Coll Med, 50-1 Yonsei Ro, Seoul 03722, South Korea

来源：

SURGERY | 2022年 / 172卷 / 01期

关键词：

RESECTION; LYMPHADENECTOMY; MANAGEMENT; DISSECTION;

D O I：

10.1016/j.surg.2021.12.026

中图分类号：

R61 [外科手术学];

学科分类号：

摘要：

Background: Lymph node metastasis in intrahepatic cholangiocarcinoma is a poor prognostic factor after radical surgery. However, unlike other biliary tract malignancies, the nodal stage of intrahepatic chol-angiocarcinoma only reflects the presence of metastatic lymph nodes, not the number of metastatic lymph nodes. This study aimed to identify the prognostic impact of the metastatic lymph node number in intrahepatic cholangiocarcinoma. Methods: The data from 87 patients with intrahepatic cholangiocarcinoma who had undergone hepa-tectomy with 5 or more harvested lymph nodes and covering stations 12 and 8 based on the previous criteria from January 2006 to December 2019 were retrospectively reviewed. The hazard ratio according to the increasing metastatic lymph node number was calculated with other known prognostic factors for intrahepatic cholangiocarcinoma. The patients were then divided into 3 groups according to the meta-static lymph node number (N0 [n = 45]: no metastatic lymph nodes; N+ < 4 [n = 32]: 1 to 3 metastatic lymph nodes; N+ >= 4 [n = 10]: >= 4 metastatic lymph nodes). Disease-free survival and overall survival were also analyzed. Results: The metastatic lymph node number was a prognostic factor of oncologic survival (disease-free survival: hazard ratio = 1.18 [1.05-1.32], P = .005; overall survival: hazard ratio = 1.21 [1.06-1.37], P = .004). Survival analysis revealed significantly poorer outcomes with an increasing metastatic lymph node number (disease-free survival: N0 vs N+ < 4 vs N+ >= 4: 36.0 [0.0-76.0] vs 8.0 [0.0-16.9] vs 2.0 [0.0-5.1] months, P < .001; overall survival: N0 vs N+ < 4 vs N+ >= 4: 69.0 [24.5-113.5] vs 28.0 [18.9-37.1] vs 11.0 [6.4-15.6] months, P < .001). In post hoc analysis, a significant difference was found between adjacent groups (disease-free survival and overall survival: N+ < 4 vs N+ >= 4, P = .001). Conclusion: With proper lymph node dissection, the number of metastatic lymph nodes is a prognostic factor of intrahepatic cholangiocarcinoma. (C) 2021 Elsevier Inc. All rights reserved.

引用

页码：177 / 183

页数：7

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