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Tumor size and survival in intrahepatic cholangiocarcinoma treated with surgical resection or ablation.
OBJECTIVES: We performed a retrospective analysis within a national cancer registry on outcomes following resection or ablation for intrahepatic cholangiocarcinoma (iCCA). METHODS: The National Cancer Database was queried for patients with clinical stage I-III iCCA diagnosed during 2010-2018, who underwent resection or ablation. Overall survival (OS) was compared with Kaplan-Meier and multivariable Cox proportional hazards methods. RESULTS: Of 2140 patients, 1877 (87.7%) underwent resection and 263 (12.3%) underwent ablation, with median tumor sizes of 5.5 and 3 cm, respectively. Overall, resection was associated with greater median OS (41.2 months (95% confidence interval [95% CI]: 37.6-46.2) vs. 28 months (95% CI: 15.9-28.6) on univariable analysis (p < 0.0001). There was no significant difference on multivariable analysis (p = 0.42); however, there was a significant interaction between tumor size and management. On subgroup analysis of patients with tumors <3 cm, there was no difference in OS between resection versus ablation. However, ablation was associated with increased mortality for tumors ≥3 cm. CONCLUSION: Although resection is associated with improved OS for tumors ≥3 cm, we observed no difference in survival between management strategies for tumors < 3 cm. Ablation may be an alternative therapeutic strategy for small iCCA, particularly in patients at risk for high surgical morbidity.
Duke Scholars
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Related Subject Headings
- Retrospective Studies
- Oncology & Carcinogenesis
- Humans
- Hepatectomy
- Cholangiocarcinoma
- Bile Ducts, Intrahepatic
- Bile Duct Neoplasms
- 3211 Oncology and carcinogenesis
- 1112 Oncology and Carcinogenesis
Citation
![Journal cover image](https://secure.syndetics.com/index.aspx?isbn=/lc.gif&issn=1096-9098&client=dukeuniv)
Published In
DOI
EISSN
Publication Date
Volume
Issue
Start / End Page
Location
Related Subject Headings
- Retrospective Studies
- Oncology & Carcinogenesis
- Humans
- Hepatectomy
- Cholangiocarcinoma
- Bile Ducts, Intrahepatic
- Bile Duct Neoplasms
- 3211 Oncology and carcinogenesis
- 1112 Oncology and Carcinogenesis