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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
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Related Experiment Video

Updated: Jan 8, 2026

Laparoscopic Common Bile Duct Exploration Followed by Primary Suture Using a Modified Bile Duct Incision
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Laparoscopic Common Bile Duct Exploration Followed by Primary Suture Using a Modified Bile Duct Incision

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Misplacement of endoscopic biliary endoprostheses

A A Nicholson1, D F Martin

  • 1Dept. of Radiology, Hull Royal Infirmary, United Kingdom.

Endoscopy
|February 1, 1997
PubMed
Summary

Misplaced endoscopic stents in four cholangiocarcinoma patients caused persistent jaundice. Percutaneous intervention successfully resolved jaundice, highlighting the need for careful management of biliary endoprostheses.

Area of Science:

  • Gastroenterology and Hepatology
  • Interventional Radiology

Background:

  • Cholangiocarcinoma often requires biliary drainage to manage obstructive jaundice.
  • Endoscopic retrograde cholangiopancreatography (ERCP) with stent placement is a common treatment modality.

Observation:

  • Four cases of cholangiocarcinoma involving the common hepatic duct or confluence are presented.
  • Endoprostheses were unknowingly misplaced with proximal portions outside the bile duct system.

Findings:

  • Misplaced stents led to persistent jaundice despite multiple endoscopic exchanges.
  • Percutaneous transhepatic cholangiography (PTC) was crucial in recognizing the misplacement.
  • Percutaneous stent placement effectively resolved jaundice in all affected patients.

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Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Implications:

  • Highlights a significant complication of endoscopic biliary stenting in complex biliary anatomy.
  • Emphasizes the importance of advanced imaging like PTC for diagnosing stent misplacement.
  • Suggests careful technique and potentially alternative approaches for managing biliary obstruction in challenging cholangiocarcinoma cases.