Cryoablation has several advantages over RF ablation such as well visualization of iceball, no causation of severe pain, and lack of severe damage to great vessels and gallbladder. A few recent comparative studies have shown that percutaneous cryoablation for HCCs is comparable to percutaneous RF ablation in terms of long term therapeutic outcomes and complications. Cryoablation destroys tissue via direct tissue destruction and vascular-related injury. The thermodynamic mechanism of freezing and thawing used in cryoablation is the Joule-Thomson effect. Although radiofrequency (RF ablation is widely used for HCC, the use of cryoablation has been increasing as newer and safer cryoablation systems have developed. Percutaneous cryoablation for hepatocellular carcinomaĭirectory of Open Access Journals (Sweden)įull Text Available Local ablation therapy is considered as a conventional treatment option for patients with early stage hepatocellular carcinoma (HCC.
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