Journal
RADIATION MEDICINE
Volume 26, Issue 1, Pages 1-5Publisher
SPRINGER
DOI: 10.1007/s11604-007-0183-x
Keywords
kidney; renal cell carcinoma; radiofrequency ablation
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Purpose. The aim of this retrospective study was to evaluate the clinical value of percutaneous radiofrequency ablation (RFA) for the treatment of renal cell carcinoma (RCC). Materials and methods. In a recent 3 years seven RCCs in six patients were treated by percutaneous RFA. RCC had been diagnosed based on the typical findings by computed tomography and/or magnetic resonance imaging. A cool-tip RF system (Vallylab) was mainly used with a RF2000 generator. The maximum tumor size ranged from 8 to 40 mm in diameter. The follow-up period was 14-36 months after initial RFA treatment. Results. Complete disappearance of contrast enhancement during the early arterial phase was noted immediately after each session of percutaneous RFA. Two RCCs >= 3 cm in diameter showed tumor recurrence and required re-RFA during the follow-up period. In one patient, retroperitoneal hematoma was observed as a noteworthy complication. Conclusion. Despite our limited number of patients, we believe that percutaneous RFA is clinically feasible and can be an alternative treatment of choice for RCC.
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