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Updated: Jul 16, 2026
Thermal Ablation for the Treatment of Abdominal Tumors
Published on: March 7, 2011
Safety and efficacy of radiofrequency thermal ablation in advanced liver tumors
B J Bowles1, J Machi, W M Limm
1Department of Surgery, University of Hawaii School of Medicine, Honolulu, HI, USA.
Hypothesis:
Radiofrequency thermal ablation (RFA) can be performed safely and effectively to control local disease in patients with advanced, unresectable liver tumors.
Design, Setting, And Patients:
Prospective study of 76 patients with unresectable liver tumors who underwent RFA at a private tertiary referral hospital.
Interventions:
Ninety-nine RFA operations were performed to ablate 328 tumors.
Main Outcome Measures:
Complications and local recurrence.
Results:
There was 1 death (1%), major complications occurred in 7 operations (7%), and minor complications occurred in 10 operations (10%). Local recurrence was identified in 30 tumors (9%) at a mean follow-up of 15 months. Size (P<.001), vascular invasion (P<.001), and total volume ablated (P<.001) were associated with recurrence but the number of tumors was not (P =.39).
Conclusion:
Radiofrequency thermal ablation provides local control of advanced liver tumors with low recurrence and acceptable morbidity.
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