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The HER-2/neu protein is intimately involved with normal cell proliferation and tissue growth and is extensively homologous and related to the epidermal growth factor receptor. HER-2/neu protein expression has been most intensively studied in the context of breast carcinoma, in which its amplification and overexpression correlate with the overall course of(More)
BACKGROUND AND AIMS The HER-2/neu protein is intimately involved with normal cell proliferation and tissue growth, as it is extensively homologous and is related to the epidermal growth factor receptor. This phenomenon has been most intensively studied in the context of breast carcinoma, in which its amplification and overexpression correlate with the(More)
BACKGROUND/AIMS Antibiotic resistance and poor compliance are the main causes of Helicobacter pylori (H. pylori) eradication failure. Proton pump inhibitor (PPI)-based triple therapy is the most preferred regimen in clinical practice. However, a critical fall in the H. pylori eradication rate has been observed in the recent years. A novel 10 day-sequential(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)
BACKGROUND Very little is known about risk factors associated with colorectal neoplasia in persons aged <50 years. In particular, there has been no study thus far focusing on the risk factors for colorectal neoplasia in persons aged 30 to 39 years. OBJECTIVE To investigate risk factors for colorectal neoplasia in persons aged 30 to 39 years and 40 to 49(More)
BACKGROUND There has been no report concerning the factors that contribute to the technical difficulty of endoscopic clearance of common bile duct (CBD) stones. OBJECTIVE Our purpose was to determine the factors that contribute to the technical difficulty of endoscopic clearance of CBD stones. DESIGN Prospective study. SETTING A tertiary referral(More)
BACKGROUND AND AIM Although insulin resistance is often considered the link between obesity and non-alcoholic fatty liver disease (NAFLD), the role of insulin resistance, independent of obesity, as a NAFLD risk factor in non-obese men has been less well established. Systemic inflammation may be accompanied by insulin resistance in healthy subjects. The goal(More)
BACKGROUND AND AIM There have been no reports comparing the therapeutic results of adefovir (ADV) and entecavir (ETV) rescue therapy for patients with lamivudine (LAM)-resistant chronic hepatitis B (CHB). We aimed to compare the cumulative efficacy and resistance of ETV 1.0 mg monotherapy, ADV monotherapy and ADV add-on LAM combination therapy in(More)
BACKGROUND The incidence of rectal neuroendocrine tumors (NET) has been increasing since the implementation of the screening colonoscopy. However, very little is known about risk factors associated with rectal NETs. We examined the prevalence of and the risk factors for rectal NETs in a Korean population. METHODS A cross-sectional study was performed on(More)
BACKGROUND Reports concerning the clinical usefulness of (18)F 2-fluoro-2-deoxy-D: -glucose integrated positron emission and computed tomography ((18)F-FDG PET-CT) for patients with gallbladder cancer and cholangiocarcinoma are relatively scarce. The purpose of this study was to assess the diagnostic value of PET-CT in relation to a conventional imaging(More)