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AIM To investigate differences in the effects of biliary drainage procedures in patients with inoperable Klatskin's tumor based on Bismuth type, considering endoscopic retrograde biliary drainage (ERBD), external percutaneous transhepatic biliary drainage (EPTBD) and internal biliary stenting via the PTBD tract (IPTBD). METHODS The initial success rate,(More)
BACKGROUND/AIMS Gallbladder (GB) polyps are commonly encountered in clinical practice, and are found more frequently as the number of medical screening examinations increases. The aim of this study was to determine optimal practice guideline for surgical treatment and follow-up of GB polyps. METHODS Data from healthy subjects of Seoul National University(More)
OBJECTIVES Previous studies have shown that ulinastatin may be effective at preventing pancreatitis after endoscopic retrograde cholangiopancreatography (ERCP). However, routine administration of ulinastatin is unlikely to be cost-effective. So the aim of this prospective study was to evaluate the effectiveness of low-dose ulinastatin at preventing(More)
AIM To investigate histological characteristics of gastric polyps in the Korean population. METHODS We reviewed endoscopic photographs and medical records of patients with gastric polyps who underwent endoscopic mucosal resection from April 1996 through February 2003. RESULTS A total of 85 gastric polyps from 74 patients were reviewed. Male-to-female(More)
BACKGROUND AND AIM After failed biliary cannulation with needle knife sphincterotomy (NKS), endoscopic retrograde cholangiopancreatography (ERCP) is sometimes repeatedly performed in clinically stable patients; however, there are few reports about the results. This study assessed the results of repeated ERCPs after failure with NKS. METHODS After failed(More)
GOALS The aim of this study was to determine the risk and identify the factors associated with post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis in patients who undergo needle knife precut sphincterotomy (NKS). In addition, we evaluated the effect of gabexate for the prevention of post-ERCP pancreatitis. BACKGROUND NKS, after(More)
BACKGROUND/AIMS Among the many complications that can occur following therapeutic endoscopy, bleeding is the most serious, which occurs in 1.0-6.1% of all colonoscopic polypectomies. The aim of this study was to identify risk factors of delayed post-polypectomy bleeding (PPB). METHODS We retrospectively reviewed the data of patients who underwent(More)
BACKGROUND/AIMS The purpose of this study was to examine the clinical features of metastatic tumors of the pancreas (MTPs) in Korea. METHODS A total of 53 cases (31 males) of pathologically proven MTPs were collected. Clinicopathological characteristics and patient outcomes were evaluated. RESULTS The median age at the diagnosis of the MTP was 60 years.(More)
BACKGROUND/AIMS This study evaluated the clinicopathologic characteristics of patients with secondary appendiceal tumors (SATs). METHODS We performed a single-center, retrospective study of patients with pathologically confirmed SATs. RESULTS Among 180 cases of appendiceal malignancies diagnosed between 2000 and 2007, 139 cases (77.2%, 46 male) were(More)
BACKGROUND The efficacy and complications of covered self-expandable metal stents (SEMS) remain controversial. OBJECTIVE We conducted this study to compare the efficacies and complication rates of covered and uncovered SEMS in malignant biliary obstruction. DESIGN Data on patients who underwent endoscopic retrograde biliary drainage with covered or(More)