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http://dx.doi.org/10.1007/s00270-009-9600-0

has been cited by the following article:

• TITLE: Use of a New Algorithm with an Internally Cooled Electrode for Radiofrequency Ablation of Small Hepatocellular Carcinomas

  AUTHORS: Ho V. Nguyen, Kathleen A. Khong, John P. McGahan, Kai Ding, Machelle D. Wilson

  KEYWORDS: Hepatocellular Carcinoma; Hepatoma; Radiofrequency Ablation; Internally-Cooled Electrode; Ramp-up; Full-Power; Algorithm

  JOURNAL NAME: Open Journal of Radiology, Vol.3 No.4, December 31, 2013

  ABSTRACT: Purpose: To investigate the efficacy of a new algorithm to increase the volume of tissue ablation via gradual ramp-up of power using an internally cooled electrode for ablating hepatomas 3 cm or less. Materials and Methods: 44 patients with 62 hepatomas were treated from March 4, 2004 to May 24, 2009. Ablation with a gradual ramp-up of power was performed using a single needle with an internally cooled electrode. Evaluation for tumor response was performed with 4-phase CT at 24 hours and 3 months. All immediate and follow-up complications were recorded. Results: Complete tumor ablation was achieved in 86%. The ablation volumes were 16 cm3 +/- 12 cm3 for tumors 3 +/- 12 cm3 for tumors 2 - 3 cm. Out of 68 total ablation sessions, there were 2 major complications (pleural effusions) requiring intervention (thoracentesis). Conclusion: Compared with existing techniques using a constant full-power setting, ablation of small hepatomas using an algorithm of gradual ramp-up of power provides comparable rate of complete tumor ablation, adequate ablation volumes, and a low rate of complications that require treatment.