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Related Concept Videos

Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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Endoscopic Procedures V: ERCP01:26

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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.
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Related Experiment Video

Updated: Aug 24, 2025

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[Single-operator Cholangioscopy Guided Lithotripsy].

Jungha Shin1, Chi Hyuk Oh1, Seok Ho Dong1

  • 1Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Korea.

The Korean Journal of Gastroenterology = Taehan Sohwagi Hakhoe Chi
|October 25, 2022
PubMed
Summary
This summary is machine-generated.

Endoscopic retrograde cholangiopancreatography (ERCP) is standard for bile duct stones. Single-operator cholangioscopy offers a new approach for difficult stones not removed by conventional ERCP.

Keywords:
Cholangiopancreatography, endoscopic retrogradeCholangioscopyCholedocholithiasisLithotripsy

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Area of Science:

  • Gastroenterology and Hepatology
  • Minimally Invasive Surgery

Context:

  • Endoscopic retrograde cholangiopancreatography (ERCP) is the primary treatment for common bile duct (CBD) stones.
  • Approximately 10% of patients present with difficult CBD stones requiring advanced interventions.

Purpose:

  • To review the utility of single-operator cholangioscopy in managing difficult CBD stones.
  • To highlight advances in cholangioscopy-guided lithotripsy for challenging cases.

Summary:

  • Conventional ERCP with sphincterotomy and extraction fails in some CBD stone cases.
  • Advanced techniques like balloon dilatation and mechanical lithotripsy are often needed.
  • Cholangioscopy-guided electrohydraulic or laser lithotripsy, particularly with the SpyGlass DS system, enables direct visualization and treatment of difficult stones.

Impact:

  • Single-operator cholangioscopy enhances the management of difficult CBD stones.
  • This approach may improve stone clearance rates and reduce the need for more invasive procedures.
  • It represents a significant advancement in endoscopic treatment for complex biliary stone disease.