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Representative percutaneous ablation devices. (A) Cool-tip internally cooled radiofrequency electrode (Covidien, Mansfield, MA). (B) Monopolar (top) and bipolar (bottom) irreversible electroporation probes. (C) Evident internally cooled percutaneous microwave antenna (Covidien, Mansfield, MA). (D) Perc-24 cryoprobe (Endocare, Irvine, CA).
