title: Impact of endoscopic sphincter dilation on papillary structure: a case report.
authors.affiliation: Department of Gastroenterology, Jichi Medical School, Tochigi, Japan.
authors.forename: N
authors.initials: N
authors.lastname: Ueno
authors.forename: K
authors.initials: K
authors.lastname: Kurihara
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology / Q000601:surgery; D000368:Aged; D014670:Ampulla of Vater / Q000473:pathology*; D001706:Biopsy; D002404:Catheterization / Q000379:methods; D002769:Cholelithiasis / Q000473:pathology; D003135:Common Bile Duct / Q000473:pathology; D003138:Common Bile Duct Neoplasms / Q000473:pathology / Q000601:surgery; D003251:Constriction, Pathologic / Q000473:pathology; D016099:Endoscopy, Gastrointestinal / Q000379:methods; D006801:Humans; D008297:Male; D016577:Pancreaticoduodenectomy; D011300:Preoperative Care / Q000379:methods