Journal
RADIOLOGIA MEDICA
Volume 119, Issue 5, Pages 298-308Publisher
SPRINGER-VERLAG ITALIA SRL
DOI: 10.1007/s11547-013-0339-y
Keywords
Hepatocellular carcinoma; Liver cirrhosis; Percutaneous laser ablation; Radiofrequency thermoablation
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This study was done to compare percutaneous laser ablation (PLA) and radiofrequency thermoablation (RFA) for the treatment of hepatocellular carcinoma (HCC) a parts per thousand currency sign4 cm, in patients with liver cirrhosis. Thirty patients with single HCC a parts per thousand currency sign4 cm in diameter were randomly assigned to one of two treatments: 15 patients were treated with PLA, using a multifibre system connected to a neodymium yttrium-aluminium-garnet laser source; 15 patients were treated with RFA, using an expandable needle electrode. Patients were followed up for up to 12 months. A complete response was obtained in 87 % lesions treated with PLA and in 93 % lesions treated with RFA (p = ns). The overall local recurrence-free survival rates at 3, 6 and 12 months were comparable. However, a higher rate of recurrence was observed in the PLA group for lesions a parts per thousand yen21 mm (p = 0.0081). A postablation syndrome was documented in 13 patients (1 PLA; 12 RFA). Tumour necrosis factor-alpha was significantly higher in the RFA group (p < 0.05). RFA is more effective in the treatment of HCC compared to PLA for lesions a parts per thousand yen21 mm. However, PLA should be considered a viable treatment option for HCC a parts per thousand currency sign20 mm, in view of the lower incidence of complications.
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