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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Single-session combined therapy with chemoembolization and radiofrequency ablation in hepatocellular carcinoma less than or equal to 5 cm: a preliminary study.
Journal of Vascular and Interventional Radiology : JVIR 2009 December
PURPOSE: To evaluate the efficacy and safety of a single-session combined chemoembolization and radiofrequency (RF) ablation for hepatocellular carcinomas (HCCs) less than or equal to 5 cm.
MATERIALS AND METHODS: Between June 1, 2004, and January 1, 2006, 50 patients (41 men, nine women; age range, 35-77 years; mean age, 61.5 years) with 57 HCCs (1.5-4.5 cm; mean, 2.4 cm) underwent single-session combined therapy. Chemoembolization was performed by using a doxorubicin hydrochloride/iodized oil emulsion with or without gelatin sponge particles. Immediately following chemoembolization, RF ablation was performed under fluoroscopy or ultrasonographic guidance. Initial tumor response and local tumor progression were determined with follow-up computed tomography or magnetic resonance imaging. The recurrence-free and overall survival rates as well as procedure-related complications were evaluated.
RESULTS: At 1-month follow up, complete necrosis was achieved in all index tumors; however, nonindex intrahepatic recurrences were found in two patients (complete response in 48 patients and progressive disease in two patients). The estimated 1- and 3-year local tumor progression rates during the follow-up period (range, 13.1-51.6 months; mean, 29.0 months) were 1.8% and 9.4%, respectively. The 1- and 3-year recurrence-free and overall survival rates were 64.6% and 30.5% and 100% and 79.7%, respectively. Three of the 50 patients (6%) had major complications, including segmental hepatic infarction (n = 2) and hepatic arterial bleeding (n = 1).
CONCLUSIONS: Single-session combined therapy is an effective and safe treatment for HCCs less than or equal to 5 cm.
MATERIALS AND METHODS: Between June 1, 2004, and January 1, 2006, 50 patients (41 men, nine women; age range, 35-77 years; mean age, 61.5 years) with 57 HCCs (1.5-4.5 cm; mean, 2.4 cm) underwent single-session combined therapy. Chemoembolization was performed by using a doxorubicin hydrochloride/iodized oil emulsion with or without gelatin sponge particles. Immediately following chemoembolization, RF ablation was performed under fluoroscopy or ultrasonographic guidance. Initial tumor response and local tumor progression were determined with follow-up computed tomography or magnetic resonance imaging. The recurrence-free and overall survival rates as well as procedure-related complications were evaluated.
RESULTS: At 1-month follow up, complete necrosis was achieved in all index tumors; however, nonindex intrahepatic recurrences were found in two patients (complete response in 48 patients and progressive disease in two patients). The estimated 1- and 3-year local tumor progression rates during the follow-up period (range, 13.1-51.6 months; mean, 29.0 months) were 1.8% and 9.4%, respectively. The 1- and 3-year recurrence-free and overall survival rates were 64.6% and 30.5% and 100% and 79.7%, respectively. Three of the 50 patients (6%) had major complications, including segmental hepatic infarction (n = 2) and hepatic arterial bleeding (n = 1).
CONCLUSIONS: Single-session combined therapy is an effective and safe treatment for HCCs less than or equal to 5 cm.
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