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The Korean College of Helicobacter and Upper Gastrointestinal Research first developed guidelines for the diagnosis and treatment of Helicobacter pylori (H. pylori) infection in 1998, and revised guidelines were proposed in 2009 by the same group. Although the revised guidelines were based on a comprehensive review of published articles and the consensus of(More)
which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Table 1. Grading evidence and recommendations Evidence Notes High quality Further research is very unlikely to change our confidence in the estimate of effect A Moderate quality Further research is likely to have an(More)
UNLABELLED The reported durability of virologic response after successful lamivudine monotherapy is variable, and the question remains as to whether virologic responses can be maintained over an extended follow-up period. The aim of this study was to investigate posttreatment durability, the optimal duration of additional treatment after HBeAg clearance or(More)
Most data on large studies of superior mesenteric artery syndrome (SMAS) were published over 30 years ago. New studies are needed so that current medical progress can influence SMAS diagnosis and improve therapeutic outcomes. This study was conducted to report the clinical features and outcomes of SMAS. From January 2000 to December 2009, 80 cases (53(More)
AIM To evaluated the value of ¹⁸F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) scan in diagnosis of hepatocellular carcinoma (HCC) and extrahepatic metastases. METHODS A total of 138 patients with HCC who had both conventional imaging modalities and ¹⁸F-FDG PET/CT scan done between November 2006 and March 2011 were(More)
BACKGROUND/AIMS Cyclooxygenase-2 (COX-2) and vascular endothelial growth factor (VEGF) are up-regulated in hepatocellular carcinoma (HCC). To investigate the levels of COX-2 and VEGF expression in chronic hepatitis (CH), cirrhosis, and HCC. METHODS The immunohistochemical expressions of COX-2 and VEGF were evaluated in tissues from patients with CH(More)
AIM to present the practice of two experienced centres concerning the use of contrast enhanced ultrasound (CEUS) in the characterization of focal liver lesions (FLL). MATERIAL AND METHOD A prospective, bicentric study, between 09.2009-09.2010 was undertaken and 729 FLL (506-Center A, 223-Center B) were evaluated. A CEUS examination was considered(More)
BACKGROUND/AIMS To evaluate the diagnostic value of contrast (SonoVue(®)) enhancement ultrasonography (CEUS) and to compare this method with computed tomography (CT) and magnetic resonance imaging (MRI) in evaluating liver masses. METHODS CEUS (n=50), CT (n=47), and MRI (n=43) were performed on 50 liver masses in 48 patients for baseline mass(More)
BACKGROUND/AIMS Tenofovir disoproxil fumarate (TDF) plays a pivotal role in the management of drug-resistant chronic hepatitis B. However, it remains unclear whether TDF-nucleoside analogue combination therapy provides better outcomes than TDF monotherapy. This study aimed to compare the efficacy of TDF monotherapy with that of TDF-nucleoside analogue(More)