JCM, Vol. 12, Pages 2560: Microwave Ablation of Recurrent Hepatocellular Carcinoma after Curative Surgical Resection

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JCM, Vol. 12, Pages 2560: Microwave Ablation of Recurrent Hepatocellular Carcinoma after Curative Surgical Resection

Journal of Clinical Medicine doi: 10.3390/jcm12072560

Authors: Hamzah Adwan Lars Hammann Thomas J. Vogl

Purpose: To evaluate the efficacy and safety of microwave ablation (MWA) as a treatment for recurrent hepatocellular carcinoma (HCC) after initial successful surgical resection. Methods: This retrospective study included 40 patients (11 women and 29 men; mean age: 62.3 ± 11.7 years) with 48 recurrent lesions of HCC after initial surgical resection that were treated by percutaneous MWA. Several parameters including complications, technical success, local tumor progression (LTP), intrahepatic distant recurrence (IDR), overall survival (OS), and progression-free survival (PFS) were evaluated in order to investigate the safety and efficacy of MWA for these recurrent HCC lesions after surgical treatment. Results: All MWA treatments were performed without complications or procedure-related deaths. Technical success was achieved in all cases. Two cases developed LTP at a rate of 5%, and IDR occurred in 23 cases at a rate of 57.5% (23/40). The 1-, 2-, 3-, 4-, and 6-year OS rates were 97%, 89.2%, 80.3%, 70.2%, and 60.2%, respectively. The 1- and 3-year PFS rates were 50.2% and 34.6%, respectively. Conclusion: MWA is effective and safe as a local treatment for recurrent HCC after initial surgical resection.

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