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BACKGROUND/AIMS Achalasia is a rare esophageal motility disorder. Recently, a novel endoscopic technique, peroral endoscopic myotomy (POEM), was introduced as an alternative treatment for achalasia. We report the results and short term outcomes of POEM for patients with achalasia. METHODS POEM was performed in 13 patients with achalasia. The procedure(More)
Endoscopic submucosal dissection (ESD) has been accepted as a standard treatment in early gastric cancer (EGC) patients with negligible risk of lymph node metastasis. However, there are limited data regarding the long-term outcomes of ESD in comparison with surgery. This study aimed to compare the overall, recurrence-free, and metachronous cancer-free(More)
Amyloid beta (Aβ) plays a major role in Alzheimer's disease (AD), and neuroinflammatory processes mediated by Aβ plaque-induced microglial cells and astrocytes contribute to AD pathogenesis. The present study examined human placenta amniotic membrane-derived mesenchymal stem cells (AMSCs), which have potent immunomodulatory and paracrine effects in a Tg2576(More)
BACKGROUND Probe-based confocal laser endomicroscopy (pCLE) allows real-time in vivo histologic evaluation of GI mucosal lesions. Although pCLE has been used for various GI disorders, the significance of pCLE for gastric lesions is largely unknown. OBJECTIVE We compared the accuracy of conventional endoscopic forceps biopsy and pCLE for the diagnosis of(More)
BACKGROUND 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. METHODS This study was conducted to report the clinical features and outcomes of SMAS. From January 2000 to December(More)
OBJECTIVE. Endoscopic ultrasonography (EUS)-guided fine-needle aspiration (EUS-FNA) may facilitate tissue sampling for histopathological diagnosis of subepithelial tumors (SETs) in the gastrointestinal (GI) tract. However, immunohistochemistry is not always feasible using EUS-FNA samples due to the low quality of specimens often obtained by aspiration. This(More)
BACKGROUND Long-term peritoneal dialysis (PD) is associated with the development of various structural and functional changes to the peritoneal membrane when bioincompatible conventional peritoneal dialysis fluids (PDFs) are used. In this study, we looked at patients that were treated with conventional PDFs and then changed to novel biocompatible PDFs with(More)
Non-curative resection after endoscopic submucosal dissection (ESD) for early gastric cancer (EGC) can contribute to local recurrence or lymphatic and distant metastasis of the tumor. We stratified the risk of local recurrence according to the histological characteristics in non-curative resection after ESD for EGC. Among 892 EGCs treated with ESD, 152(More)
BACKGROUND AND STUDY AIM This study aimed to evaluate the feasibility of a novel laser system for endoscopic submucosal dissection (ESD) of gastric epithelial neoplasia. PATIENTS AND METHODS A total of 10 patients underwent ESD by a single expert endoscopist. A thulium 2-μm wavelength laser system was used for ESD procedures. Instead of using endoscopy(More)
OBJECTIVE To describe the technical feasibility and usefulness of extrahepatic biliary stone removal by balloon sphincteroplasty and occlusion balloon pushing. MATERIALS AND METHODS Fifteen patients with extrahepatic bile duct stones were included in this study. Endoscopic stone removal was not successful in 13 patients, and two patients refused the(More)