Background Primary sclerosing cholangitis (PSC) is relatively rare disease and
pathogenesis and methods of treatments were still not established. Then, we had conducted …

Background & Aims Long-term outcomes of patients with branch-duct intraductal papillary
mucinous neoplasms (IPMNs), particularly those after 5 years of surveillance, have not been …

Objective It has been discussed whether IgG4-related disease (IgG4-RD), including
autoimmune pancreatitis (AIP), is associated with malignancy; however, the issue has not …

Background Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) of pancreatic
masses is an established procedure for obtaining a pathological specimen. However …

Endoscopic management of bile duct stones is now the standard of care, but challenges
remain with difficult bile duct stones. There are some known factors associated with …

Background and Aims We previously reported safety and effectiveness of EUS-guided
hepaticogastrostomy (EUS-HGS) using a long, partially covered metal stent (LP-CMS) for …

Background Endoscopic ultrasonography or real-time elastography has been applied for the
diagnosis of chronic pancreatitis. Acoustic radiation force impulse (ARFI) imaging is another …

BACKGROUND: Endoscopic transluminal treatment of pancreatic fluid collections (PFC) has
been reported as an effective alternative approach to surgical treatment. A wide, short stent …

Background and study aims: Endoscopic ultrasound (EUS)-guided biliary drainage (EUS-
BD) is potentially complicated by bile leak and stent migration. The aim of this study was to …

Background Wire-guided cannulation (WGC) was reported to decrease post-ERCP
pancreatitis (PEP), but risk factors for PEP in WGC are not fully elucidated. Objective To …