{"title":"[Acute cholecystitis associated with IgG4-related sclerosing cholangitis: a case report].","authors":"Shoichiro Yoneyama, Ichitaro Horiuchi, Nobukazu Sasaki, Masafumi Minamisawa, Shohei Kondo, Takumi Yanagisawa, Masato Kamakura, Yasuhiro Kuraishi, Akira Nakamura","doi":"10.11405/nisshoshi.123.57","DOIUrl":null,"url":null,"abstract":"<p><p>A 72-year-old male patient with jaundice and hilar bile duct stenosis, initially suspected to have cholangiocarcinoma, was referred to our hospital. Subsequent cholangiography revealed bile duct stenosis improvement, and intraductal ultrasonography demonstrated homogeneous bile duct wall thickening. The increased serum immunoglobulin G4 (IgG4) levels and the presence of other organ lesions possibly indicated to IgG4-related sclerosing cholangitis (IgG4-SC). After 2 months, the patient developed acute cholecystitis. Endoscopic ultrasonography revealed circumferential wall thickening that extended from the common bile duct to the cystic duct. Cholangiography demonstrated cholecystic duct stenosis. The cholecystitis might have originated from bile stasis caused by cystic duct stenosis associated with IgG4-SC. Consequently, both IgG4-SC and the cholecystitis improved with steroid treatment.</p>","PeriodicalId":35808,"journal":{"name":"Japanese Journal of Gastroenterology","volume":"123 1","pages":"57-65"},"PeriodicalIF":0.0000,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Japanese Journal of Gastroenterology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.11405/nisshoshi.123.57","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Medicine","Score":null,"Total":0}
引用次数: 0
Abstract
A 72-year-old male patient with jaundice and hilar bile duct stenosis, initially suspected to have cholangiocarcinoma, was referred to our hospital. Subsequent cholangiography revealed bile duct stenosis improvement, and intraductal ultrasonography demonstrated homogeneous bile duct wall thickening. The increased serum immunoglobulin G4 (IgG4) levels and the presence of other organ lesions possibly indicated to IgG4-related sclerosing cholangitis (IgG4-SC). After 2 months, the patient developed acute cholecystitis. Endoscopic ultrasonography revealed circumferential wall thickening that extended from the common bile duct to the cystic duct. Cholangiography demonstrated cholecystic duct stenosis. The cholecystitis might have originated from bile stasis caused by cystic duct stenosis associated with IgG4-SC. Consequently, both IgG4-SC and the cholecystitis improved with steroid treatment.
期刊介绍：
The Journal of Gastroenterology, which is the official publication of the Japanese Society of Gastroenterology, publishes Original Articles (Alimentary Tract/Liver, Pancreas, and Biliary Tract), Review Articles, Letters to the Editors and other articles on all aspects of the field of gastroenterology. Significant contributions relating to basic research, theory, and practice are welcomed. These publications are designed to disseminate knowledge in this field to a worldwide audience, and accordingly, its editorial board has an international membership.
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