A number of alternative therapies have been used for the treatment of malignant hepatic tumors. Radiofrequency ablation (RFA) is an evolving technology being used to treat patients with unresectable primary and metastatic hepatic cancers. RFA produces coagulative necrosis of the tumor through local tissue heating. Liver tumors can be treated percutaneously, laparoscopically, or during laparotomy, using ultrasonography to identify tumors and to guide placement of the RFA needle electrode. In general, RFA is a safe, well-tolerated, effective treatment for unresectable hepatic malignancies less than 6.0 cm in diameter.
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Department of Pediatrics, The Children's Hospital at Montefiore, Albert Einstein College of Medicine, Bronx, New York.
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