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BACKGROUND AND AIM  Stricture is a complication that may occur after endoscopic submucosal dissection (ESD) of gastric neoplasms. The goal of the present study was to investigate the incidence, risk factors and management of gastric stricture after ESD. METHODS The medical records of 308 patients who underwent ESD for gastric neoplasms were reviewed.(More)
BACKGROUND AND AIMS Azathioprine (AZA) is associated with a high frequency of adverse reactions. We examined polymorphism of the thiopurine S-methyltransferase (TPMT) gene to determine whether the TPMT genotype would be a predictive marker for the development of adverse reactions to AZA. METHODS The frequency of TPMT mutations was investigated in 147(More)
BACKGROUND One of the problems associated with infliximab (IFX) treatment for Crohn's disease (CD) is loss of response during maintenance therapy. AIMS The aim of this multicenter, retrospective, cohort study was to determine whether enteral nutrition (EN) added to the IFX therapy regimen is effective for maintaining remission in adult CD patients. (More)
Primary squamous cell carcinoma is rarely observed, with a reported incidence of 0.04-0.07 % of all gastric cancers. An 81-year-old male underwent chemoradiotherapy for type 1 gastric cancer of the posterior wall of the cardiac region in 2005. The tumor disappeared after 1 year of therapy, following which an area of white epithelium, approximately 30 mm in(More)
BACKGROUND AND AIM Capsule endoscopy (CE) is effective in the detection of small bowel lesions. Many studies have been conducted on the effectiveness of preparations in improving diagnostic yield, but an effective method has yet to be confirmed. We used magnesium citrate as preparation for CE and evaluated its effectiveness. METHODS 50 patients who(More)
BACKGROUND The presence of a white opaque substance (WOS) on magnifying endoscopy (ME) with narrow-band imaging (NBI) has been reported for gastric epithelial neoplasms, but the presence of WOS in colorectal epithelial neoplasms has not been investigated. AIMS The purpose of this study was to determine whether WOS is present in colorectal epithelial(More)
We report intense accumulation of gallium-67 (Ga-67) citrate in a pancreatic endocrine tumor. A 69-year-old woman was admitted because of cough, fever, and weight loss. An abdominal enhanced computed tomography (CT) scan revealed a large tumor located between the liver and pancreas as well as swollen paraaortic lymph nodes. Whole-body scintigraphy with(More)
BACKGROUND AND AIM   Ulcerative colitis (UC) is not only characterized by pathological lesions localized to colonic mucosa, but also to various complications involving other organs, including postoperative pouchitis. Among these complications, diffuse gastroduodenitis with lesions resembling colonic lesions has been reported, albeit rarely.The aim of the(More)
The term "ectopic varices" is used to describe dilated portosystemic collateral veins in unusual locations other than the gastroesophageal region. We recently experienced a rare case of ectopic varices that developed in the gastroduodenal anastomosis after subtotal gastrectomy. A 70-year-old male with liver cirrhosis due to hepatitis C virus infection was(More)
BACKGROUND Although the presence of a duodenal diverticulum is usually asymptomatic, bleeding in this tissue is sometimes difficult to diagnose and treat. OBJECTIVE To investigate the strategy for treatment, we reviewed the clinical data of patients diagnosed and treated for duodenal diverticular bleeding. DESIGN Retrospective case series. SETTING(More)