RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58104323 T1 Biliary Obstruction, Benign T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58104323 RD 2024/03/29 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)