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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.
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
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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.
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Endoscopic Procedures II: Colonoscopy01:25

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The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Appendicitis-II: Diagnostic Studies and Management01:29

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Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
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Related Experiment Video

Updated: Oct 5, 2025

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Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults

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Choledochoscopy: An update.

Tsinrong Lee1, Thomas Zheng Jie Teng2, Vishal G Shelat2

  • 1Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore. leet0043@e.ntu.edu.sg.

World Journal of Gastrointestinal Endoscopy
|January 24, 2022
PubMed
Summary

Choledochoscopy (or cholangioscopy) advances biliary tract visualization for diagnosing and treating conditions. This review covers new techniques in endoscopic procedures for biliary pathologies, stenting, and stone fragmentation.

Keywords:
CholangiocarcinomaCholangioscopyCholedochoscopyDifficult bile stonesIndeterminate biliary stricturesPrimary sclerosing cholangitis

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Area of Science:

  • Gastroenterology and Hepatology
  • Endoscopic Procedures

Background:

  • Choledochoscopy, or cholangioscopy, is an endoscopic technique for visualizing the biliary tract.
  • It has evolved significantly since 1879 for diagnosing and managing biliary pathologies.

Purpose of the Study:

  • To review current advancements in choledochoscopy.
  • To delineate its role in diagnostic and therapeutic interventions for biliary disorders.

Main Methods:

  • Review of current literature and supporting evidence on choledochoscopy advancements.
  • Analysis of diagnostic and therapeutic applications, complications, and limitations.

Main Results:

  • Improvements in visual impression and image-guided biopsies for indeterminate biliary strictures.
  • Therapeutic applications include stone fragmentation and retrieval of migrated stents.
  • New techniques address nuanced aspects of biliary stenting and management.

Conclusions:

  • Choledochoscopy is a valuable tool in diagnosing and managing a wide range of biliary pathologies.
  • Further research is needed to explore its full potential and address limitations.