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Updated: Aug 13, 2026
Thermal Ablation for the Treatment of Abdominal Tumors
Published on: March 7, 2011
[Microwave ablation for multiple bilobar liver tumors from colorectal cancer]
Tetsuya Shimizu1, Kuniya Tanaka, Hirochika Makino
1Gastroenterological Surgery, Yokohama City University Graduate School of Medicine.
Aim:
The aim of study was to evaluate the effectiveness of microwave ablation for multiple bilobar liver tumors from colorectal cancer.
Methods:
Data from the patients undergoing a hepatic resection with or without microwave ablation at our department were analyzed retrospectively. Survival was estimated using the Kaplan-Meier method and compared using the logrank test.
Results:
Seventeen percent of patients with combined resection/ablation at sites of initial recurrence at the liver and an extra hepatic metastasis in 11%. The difference between patients with combined resection/ablation and with resection was not significant (p = 0.84). Recurrence occurred near the resection or ablation line in 12.5% within combined resection/ablation. No significant differences were found for overall survivals: disease-free survival between resection/ablation group and with resection alone.
Conclusion:
Microwave ablation plus hepatic resection is suggested to be equally effective as hepatic resection, and it expanded indications for surgery to treat multiple bilobar liver tumors from colorectal cancer.
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