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  • Title: Preliminary assessment of utility of radiofrequency ablation technique in treatment of primary hepatocellular carcinoma (HCC) in patients with hepatic cirrhosis.
    Author: Witczak-Malinowska K, Zadrozny D, Studniarek M, Szurowska E, Michalska Z, Stalke P, Sikorska K, Lakomy EA.
    Journal: Med Sci Monit; 2003 Aug; 9 Suppl 3():68-72. PubMed ID: 15156617.
    Abstract:
    BACKGROUND: Primary hepatocellular carcinoma very often develops in the cirrhotic liver. Surgical treatment of cirrhotic patients is associated with considerable risk. Even partial resection of the liver carries the risk of liver failure in such patients. Therefore, the thermoablation technique used in patients with liver tumors and cirrhosis, arouses considerable interest. The aim of the study was preliminary assessment of the value of radiofrequency (RFA) ablation in the treatment of HCC in patients with hepatic cirrhosis. MATERIAL/METHODS: From April 2001 to April 2002, 14 patients aged 30-79 with cirrhosis and focal lesions of primary liver tumor type (carcinoma hepatocellulare) were treated with transcutaneous thermoablation. Transcutaneous thermoablation with Cool Tip Equipment probe (Radionics) was performed under local anesthesia induced after intravenous sedation, or under general anesthesia with propofol (TIVA). In case of single lesions up to 3 cm in diameter, the exposure to thermal waves lasted 12 min, in case of larger lesions 2 to 4 sessions were used. The effects of RFA were assessed intraoperatively by means of USG, measuring the coagulation area, and then MRI was performed to confirm complete destruction of the lesions. The response to treatment was assessed by CT after 8 weeks. RESULTS: Among 8 patients with single focal lesions complete remission (CR) was obtained in 4, and partial remission (PR) in the remaining 4 cases. One subject with CR died 5 months later because of hemorrhage from esophageal varices. Among 6 patients with more than one HCC focus subjected to RFA, CR was obtained in 1, PR in 3, and one female patient who underwent the procedure in the period of non-compensated liver function, died 1.5 months later because of hepatic failure. Repeated thermoablation is considered in patients with PR. CONCLUSIONS: 1. Radiofrequency ablation is a safe method of treatment of HCC in patients with cirrhosis. 2. One of the advantages of RFA is that it can be performed repeatedly. 3. RFA can be combined with other methods.
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