Abstract
PurposeTo assess the effectiveness, safety, and overall survival (OS) of thermal ablation as upfront treatment of intrahepatic colangiocarcinoma (ICC) in patients with cirrhosis. Materials and MethodsThis was a retrospective analysis of all biopsy-confirmed ICC in cirrhotic patients treated in the authors’ unit from 2001 to 2017. Baseline characteristics, ablation procedures, and complications were recorded, and time to recurrence (TTR) and OS were calculated. Twenty-seven patients were identified. Seventy percent had Child-Pugh A disease, and most had clinically significant portal hypertension. Median tumor size was 21 mm. Twenty-one cases were uninodular, and 10 were single ≤ 2 cm. ResultsComplete radiologic necrosis was achieved in 25 cases (92.6%). Median OS was 30.6 months (95% confidence interval [CI], 22.6–46.5), and recurrence was detected in 21 cases (77.8%) with a TTR of 10.1 months (95% CI, 7.7–20.9). In those patients with single ≤ 2-cm ICC, the OS was 94.5 months (95% CI, 11.7–not reached). Differences in OS were statistically significant between patients with single ICC ≤ 2 cm and patients with single ICC > 2 cm (P = .04) and between patients with single ICC > 2 cm and patients with multinodular ICC (P = .02). Only 1 patient had a treatment-related complication. ConclusionsThermal ablation is a safe and effective treatment for ICC in patients with cirrhosis who are not candidates for surgery. The OS is similar to that reported in surgical series, but the initial treatment success is hampered by a high rate of tumor recurrence. Encouraging long-term survival after thermal ablation is achieved in patients with single ≤ 2-cm ICC.
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