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Lymph node metastasis in intrahepatic cholangiocarcinoma
M Yamamoto1, K Takasaki, T Yoshikawa
1Department of Gastrointestinal Surgery, Institute of Gastroenterology, Tokyo Women's Medical College, Japan.
Japanese Journal of Clinical Oncology
|May 4, 1999
Summary
Lymph node metastasis significantly impacts intrahepatic cholangiocarcinoma outcomes. Poor survival rates were observed in patients with nodal involvement, regardless of metastasis extent, highlighting the hepatoduodenal ligament as a key site.
Area of Science:
- Hepatobiliary surgery
- Surgical oncology
- Gastroenterology
Background:
- Lymph node metastasis is a critical prognostic indicator in intrahepatic cholangiocarcinoma.
- Understanding metastasis patterns is crucial for predicting surgical outcomes.
Purpose of the Study:
- To investigate lymph node metastasis in intrahepatic cholangiocarcinoma.
- To determine if the extent of metastasis impacts post-surgical outcomes.
Main Methods:
- Retrospective analysis of 70 patients undergoing hepatectomy (1980-1996).
- Lymph node dissection and microscopic examination in 51 patients.
- Classification of metastatic nodes into N1, N2, or N3 categories.
Main Results:
- 23 patients (33%) had lymph node metastasis.
- Hepatoduodenal ligament nodes were the most common metastatic site (19 patients).
- Five-year survival was 0% for node-positive vs. 51% for node-negative patients (p < 0.0001).
Conclusions:
- Hepatoduodenal ligament nodes may serve as sentinel nodes for intrahepatic cholangiocarcinoma.
- Post-surgical outcomes are poor for patients with lymph node metastasis, irrespective of nodal group.