ArticlePolish journal of radiology2020
Safety and efficacy analysis of microwave ablation in small hepatocellular carcinomas sized below 3 cm.
Article in Polish journal of radiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThe aim of this study was to investigate the efficacy and safety of microwave ablation (MWA) in small hepatocellular carcinomas sized ≤ 3 cm, determine long-term survival, and identify prognostic factors for survival rates. MATERIAL AND
methodsIn this study, the radiological and laboratory findings obtained from 31 consecutive patients who underwent MWA were retrospectively evaluated. The survival periods and complication rates were analysed.
resultsMicrowave ablation was applied to 42 hepatocellular carcinoma nodules in 31 patients. The mean age of the patients was 61 ± 7.3 (median 62, range 46-78) years. The mean overall survival (OS) was 47.4 ± 3.3 months. The rates of cumulative OS in the first, second, and third years were 95.2%, 91.8%, and 79.2%, respectively. The mean disease-free survival (DFS) rate was 24.1 ± 2.5 months. The cumulative DFS rates in the first, second, and third years were 75.6%, 52.5%, and 28.2%, respectively. The number of tumours and tumour distribution were determined as prognostic factors. No major complication was detected, but six patients (13.9%) developed minor complications after MWA.
conclusionsMicrowave ablation in patients with hepatocellular carcinoma is a safety treatment modality with very low rates of complications. It offers an effective treatment with a high rate of complete response and local disease control according to the short-term results. In the long term, it prolongs the survival time of the treated patients. The number of tumours and tumour distribution were determined as prognostic factors affecting survival rates.
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