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The cholangiographic and pancreatographic appearances of the acquired immunodeficiency syndrome (AIDS) associated cholangitis were evaluated in 26 patients. Twenty-four patients were diagnosed by retrograde cholangiography or endoscopic cholangiopancreatography (ERC or ERCP). One patient was diagnosed by T-tube cholangiography and another patient by transhepatic cholangiography. The radiographic findings ranged from intrahepatic ductal abnormalities with or without involvement of the extrahepatic biliary tree (eight patients) to irregularities and strictures involving the ampulla of Vater or the intrapancreatic portion of the common bile duct (CBD) with proximal dilatation (18 patients). Significant strictures involving the juxta-ampullary pancreatic duct were identified in six of 12 patients. Twenty-one of the 26 patients had associated infections which included: Cryptosporidium (CS), Mycobacterium avium intracellulare (MAI), cytomegalovirus (CMV), Microsporidium (MSP), and Isospora (ISP). Three patients were operated upon for acute acalculous cholecystitis. In each instance, organisms were identified in both the bile duct and the inflamed gallbladder.

Instruments and drains left in the abdomen following surgery may be responsible for bizarre and varied complications. The patient may remain asymptomatic for months or even years. Complications include adhesion formation, intestinal obstruction, abscesses, and erosion into the gastrointestinal tract. We report 3 patients in whom retained surgical material eroded into the duodenum and colon, respectively, and produced unusual radiologic findings and complications.

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