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Medline ® Abstract for Reference 167

of 'Rare complications of endoscopic retrograde cholangiopancreatography (ERCP)'

Haemorrhage due to erosion of a metal biliary stent through the duodenal wall.
Ee H, Laurence BH
Endoscopy. 1992;24(5):431.
Self-expanding, metal biliary stents have recently been used in malignant obstructive jaundice as their large diameter reduces the likelihood of occlusion by biliary sludge and bacterial biofilm. However, there is a significant rate of late obstruction by tumour overgrowth and infiltration through the wire mesh. Our case of stent erosion through the duodenal wall, resulting in massive haemorrhage, is a hitherto unreported serious complication of the Wallstent (Schneider). Its occurrence may be suggested by continuous upper abdominal pain, gastrointestinal bleeding or late expansion of the stent.
Gastroenterology/Liver Unit, Sir Charles Gairdner Hospital, Nedlands, Western Australia.