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      Laser ablation is superior to TACE in large-sized hepatocellular carcinoma: a pilot case–control study

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          Abstract

          Background

          Limited therapies are available for large (≥40 mm) unresectable hepatocellular carcinoma (HCC). Currently, the standard treatment with transarterial chemoembolisation (TACE) is unsatisfactory with high recurrence rate and limited effect on survival. Laser Ablation (LA) has emerged as a relatively new technique characterized by high efficacy and good safety. This study is aimed to evaluate the efficacy of LA in comparison to TACE in patients with large HCC.

          Methods

          Eighty-two patients with a single HCC nodule ≥40 mm (BCLC stage A or B) were enrolled in this case-control study. Forty-one patients were treated with LA and 41 patients were treated with TACE. Response to therapy was evaluated according to the mRECIST criteria. Survival was calculated with Kaplan-Meier from the time of cancer diagnosis to death with values censored at the date of the last follow-up.

          Results

          Twenty-six (63.4%) and 8 (19.5%) patients had a complete response after LA and TACE, respectively ( p < 0.001). Subsequently we stratified the HCCs in 3 categories according to the nodule size: 40–50 mm, 51–60 mm, and >60 mm. LA resulted superior to TACE especially in nodules ranging between 51 and 60 mm in diameter, with a complete response rate post-LA and post-TACE of 75% and 14.3%, respectively ( p = 0.0133). The 36 months cumulative survival rate in patients treated with LA and TACE was 55.4% and 48.8%, respectively. The disease recurrence rates after LA and TACE were 19.5% and 75.0%, respectively.

          Conclusions

          LA is a more effective therapeutic option than TACE in patients with solitary large HCC.

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          Most cited references26

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          Global patterns of hepatocellular carcinoma management from diagnosis to death: the BRIDGE Study

          Background & Aims Hepatocellular carcinoma (HCC) is the second most common cause of cancer deaths worldwide. The global HCC BRIDGE study was a multiregional, large-scale, longitudinal cohort study undertaken to improve understanding of real-life management of patients with HCC, from diagnosis to death. Methods Data were collected retrospectively from January 2005 to September 2012 by chart reviews of eligible patients newly diagnosed with HCC at participating institutions. Results Forty-two sites in 14 countries contributed final data for 18 031 patients. Asia accounted for 67% of patients, Europe for 20% and North America for 13%. As expected, the most common risk factor was hepatitis C virus in North America, Europe and Japan, and hepatitis B virus in China, South Korea and Taiwan. The most common Barcelona Clinic Liver Cancer stage at diagnosis was C in North America, Europe, China and South Korea, and A in Taiwan and Japan. Across all stages, first HCC treatment was most frequently transarterial chemoembolization in North America, Europe, China and South Korea, percutaneous ethanol injection or radiofrequency ablation in Japan and resection in Taiwan. Survival from first HCC treatment varied significantly by region, with median overall survival not reached for Taiwan and 60, 33, 31, 24 and 23 months for Japan, North America, South Korea, Europe and China respectively (P < 0.0001). Conclusions Initial results from the BRIDGE study confirm previously reported regional trends in patient demographic characteristics and HCC risk factors, document the heterogeneity of treatment approaches across regions/countries and underscore the need for earlier HCC diagnosis worldwide.
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            Evolving strategies for the management of intermediate-stage hepatocellular carcinoma: available evidence and expert opinion on the use of transarterial chemoembolization.

            Transarterial chemoembolization (TACE) is considered the gold standard for treating intermediate-stage hepatocellular carcinoma (HCC). However, intermediate-stage HCC includes a heterogeneous population of patients with varying tumour burdens, liver function (Child-Pugh A or B) and disease aetiology. This suggests that not all patients with intermediate-stage HCC will derive similar benefit from TACE, and that some patients may benefit from other treatment options. Results of an extensive literature review into the treatment of unresectable HCC with TACE were combined with our own clinical experience to identify factors that may predict survival after TACE. We also report contraindications to TACE and propose a treatment algorithm for the repetition of TACE. In addition, we have constructed a number of expert opinions that may be used as a guide to help physicians make treatment decisions for their patients with intermediate-stage HCC. The data included in the literature review related almost exclusively to conventional TACE, rather than to TACE with drug-eluting beads. Therefore, the findings and conclusions of the literature review are only applicable to the treatment of HCC with conventional TACE. Treating physicians may want to consider other treatment options for patients with intermediate-stage HCC who are not suitable for or do not respond to TACE. By distinguishing those patients who represent good candidates for TACE from those where little or no benefit might be expected, it may be possible to make better use of current treatment options and improve outcomes for patients. Copyright © 2010. Published by Elsevier Ltd.
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              Imaging for the diagnosis of hepatocellular carcinoma: A systematic review and meta-analysis.

              Multiphasic computed tomography (CT) and magnetic resonance imaging (MRI) are both used for noninvasive diagnosis of hepatocellular carcinoma (HCC) in patients with cirrhosis. To determine if there is a relative diagnostic benefit of one over the other, we synthesized evidence regarding the relative performance of CT, extracellular contrast-enhanced MRI, and gadoxetate-enhanced MRI for diagnosis of HCC in patients with cirrhosis. We also assessed whether liver biopsy versus follow-up with the same versus alternative imaging is best for CT-indeterminate or MRI-indeterminate liver nodules in patients with cirrhosis. We searched multiple databases from inception to April 27, 2016, for studies comparing CT with extracellular contrast-enhanced MRI or gadoxetate-enhanced MRI in adults with cirrhosis and suspected HCC. Two reviewers independently selected studies and extracted data. Of 33 included studies, 19 were comprehensive, while 14 reported sensitivity only. For all tumor sizes, the 19 comprehensive comparisons showed significantly higher sensitivity (0.82 versus 0.66) and lower negative likelihood ratio (0.20 versus 0.37) for MRI over CT. The specificities of MRI versus CT (0.91 versus 0.92) and the positive likelihood ratios (8.8 versus 8.1) were not different. All three modalities performed better for HCCs ≥2 cm. Performance was poor for HCCs <1 cm. No studies examined whether adults with cirrhosis and an indeterminate nodule are best evaluated using biopsy, repeated imaging, or alternative imaging. Concerns about publication bias, inconsistent study results, increased risk of bias, and clinical factors precluded support for exclusive use of either gadoxetate-enhanced or extracellular contrast-enhanced MRI over CT.
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                Author and article information

                Journal
                Oncotarget
                Oncotarget
                Oncotarget
                ImpactJ
                Oncotarget
                Impact Journals LLC
                1949-2553
                3 April 2018
                3 April 2018
                : 9
                : 25
                : 17483-17490
                Affiliations
                1 Gastroenterology Unit, Department of Clinical Medicine and Surgery, University of Naples “Federico II”, Naples, Italy
                2 Hepatology Unit, “Cardarelli” Hospital, Naples, Italy
                Author notes
                Correspondence to: Filomena Morisco, filomena.morisco@ 123456unina.it
                Article
                24756
                10.18632/oncotarget.24756
                5915130
                29707122
                0ad7d210-c477-44b1-8591-20836e19b48f
                Copyright: © 2018 Morisco et al.

                This is an open-access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 13 December 2017
                : 27 February 2018
                Categories
                Research Paper

                Oncology & Radiotherapy
                large hcc,laser ablation,tace
                Oncology & Radiotherapy
                large hcc, laser ablation, tace

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