Biliary-enteric fistula | Gamuts.net

Biliary-enteric fistula

Pneumobilia is the presence of gas in the biliary system. It is typically detected by ultrasound or a radiographic imaging exam, such as CT, or MRI. It is a common finding in patients that have recently undergone biliary surgery or endoscopic biliary procedure. [Source: Wikipedia ]

May Cause

Gastrointestinal tract fistula

May Be Caused by

Common: Cholecystitis; Gallstone fistula from gallbladder or bile duct; Malignant neoplasm of bile duct; Malignant neoplasm of gallbladder; Malignant neoplasm of intestine; Malignant neoplasm of pancreas; Postoperative state
Uncommon: Common duct entry into duodenal diverticulum; Diverticulitis of duodenum or hepatic flexure of colon; External or iatrogenic trauma; Granulomatous disease of duodenum or colon; Hydatid disease; Incompetent sphincter; Liver abscess; Passage of common duct stone; Peptic ulcer perforation into biliary tract; Physiologic reflux at ampulla