Hirotsugu Maruyama

BACKGROUND/AIM: Several types of adverse events are caused by endoscopic placement of self-expandable metal stents for malignant distal biliary obstruction (MDBO) caused by pancreatic cancer (MDBO)…

BACKGROUND AND AIMS: Some adjuvants have been added to improve the quality of bowel preparation (BP) for colonoscopy and to reduce the total amount of BP solution required. However, the appropriate type of adjuvant remains unknown…

BACKGROUND: Although pouchitis is a common complication in patients with ulcerative colitis (UC) who underwent a proctocolectomy with ileal pouch-anal anastomosis (IPAA), the etiology of pouchitis remains unknown…