TY - CHAP M1 - Book, Section TI - Biliary Obstruction, Benign A1 - Doherty, Gerard M. Y1 - 2010 N1 - T2 - Quick Answers Surgery AB - • Etiologies include:-Postoperative-Trauma-Chronic pancreatitis-Cholelithiasis or choledocholithiasis-Primary sclerosing cholangitis-Sphincter of Oddi stenosis-Duodenal ulcer-Crohn disease-Viral infection-Drug toxins• 80% of cases occur post-cholecystectomy• 10% of postoperative cases are recognized in first week, whereas 70% are recognized after 6 months• Chronic pancreatitis < 10% of cases (3-29% of patients with chronic pancreatitis) SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accesssurgery.mhmedical.com/content.aspx?aid=58104323 ER -