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Laparoscopic-assisted microwave ablation for hepatocellular carcinoma: Safety and efficacy in comparison with radiofrequency ablation.
MedLine Citation:
PMID:  21520094     Owner:  NLM     Status:  Publisher    
BACKGROUND: Thermal ablation techniques are increasingly important in the search for improved locoregional therapy of hepatocellular carcinoma (HCC) in patients with cirrhosis. This study reports the largest US series using laparoscopic-assisted microwave ablation (Lap-MWA) with a 915-MHz generator for HCC and compares it with a contemporary laparoscopic-assisted radiofrequency ablation (Lap-RFA) experience. METHODS: Thirty-five patients with HCC underwent laparoscopic-assisted ablation utilizing either MWA or RFA. Medical records, radiographic imaging, and histology were reviewed and outcomes analyzed. RESULTS: Twenty-two patients underwent Lap-RFA (27 tumors) and 13 received Lap-MWA (15 tumors). Average ablation volumes were similar for Lap-RFA and Lap-MWA at 23.43 and 28.99 cm(3) , respectively (=0.69). Average operative times for Lap-RFA were 149 ± 35 min versus 112 ± 40 min with Lap-RFA (P = 0.004). Mean follow-up was 19 months in the Lap-RFA group: 50% alive without evidence of disease, 9% alive with disease, 36% deceased and 5% lost to follow-up. Mean follow-up in the Lap-MWA group was 7 months: 54% alive without evidence of disease, 31% alive with disease and 15% deceased. CONCLUSION: Lap-MWA is a safe and efficacious locoregional therapy for HCC which achieves outcomes comparable to Lap-RFA. Shorter operative times were realized with this modality and complete coagulative necrosis was confirmed histologically on explanted livers. J. Surg. Oncol. © 2011 Wiley-Liss, Inc.
Kerri A Simo; Stephanie E Sereika; Kimberly N Newton; David A Gerber
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-25
Journal Detail:
Title:  Journal of surgical oncology     Volume:  -     ISSN:  1096-9098     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0222643     Medline TA:  J Surg Oncol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Wiley-Liss, Inc.
Division of Abdominal Transplantation, Department of Surgery, University of North Carolina School of Medicine, Chapel Hill, North Carolina.
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