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Updated: Jul 20, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
Sigmoid colonic perforation and pelvic abscess complicating biliary stent migration
Ewan Mark Anderson1, Jane Phillips-Hughes, Roger Chapman
1Radiology, John Radcliffe Hospital, Headley Way, Oxford, OX10 9AW, UK.
Biliary stenting treats jaundice but can migrate. This report details the first case of a pelvic abscess caused by a migrated biliary stent, highlighting a rare but serious complication.
Area of Science:
- Gastroenterology and Hepatology
- Interventional Endoscopy
Background:
- Endoscopic biliary stenting is a standard treatment for obstructive jaundice in patients unsuitable for surgery.
- Stent migration is a known complication, typically resulting in passage or prolonged retention within the bowel lumen.
Observation:
- This case report describes a rare complication following endoscopic biliary stenting.
- The complication observed was a pelvic abscess, a previously unreported sequela of stent migration.
Findings:
- The study highlights a unique instance of a pelvic abscess developing as a consequence of biliary stent migration.
- This represents the first documented case of such a complication in the medical literature.
Implications:
- As biliary stenting procedures increase, clinicians should be aware of the potential for rare but severe complications like pelvic abscess.
- Increased vigilance and reporting of such events are crucial for refining patient management and understanding the full spectrum of stent-related risks.
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