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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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...
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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: May 16, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
07:44

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

Published on: March 25, 2022

Current endoscopic approach to indeterminate biliary strictures.

David W Victor1, Stuart Sherman, Tarkan Karakan

  • 1Department of Medicine, Johns Hopkins Hospital, Baltimore, MD 21287, USA.

World Journal of Gastroenterology
|November 28, 2012
PubMed
Summary
This summary is machine-generated.

Diagnosing indeterminate biliary strictures is challenging. New endoscopic techniques show improved accuracy for detecting malignancy, crucial for guiding patient treatment and avoiding unnecessary surgeries.

Keywords:
Bile ductBile duct strictureCholangiocarcinomaCholangioscopyConfocal microscopyEndoscopic retrograde cholangiopancreatographyEndoscopic ultrasoundIndeterminate biliary strictureIndeterminate stricturePrimary sclerosing cholangitisSingle operator cholangioscopeSpyglassTranspapillary biopsy

Related Experiment Videos

Last Updated: May 16, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
07:44

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

Published on: March 25, 2022

Area of Science:

  • Gastroenterology and Hepatology
  • Diagnostic Imaging
  • Oncology

Background:

  • Indeterminate biliary strictures pose diagnostic challenges.
  • Mischaracterization impacts patient outcomes and treatment decisions.
  • Accurate diagnosis is vital to differentiate malignant from benign disease, guiding surgical candidacy and chemotherapy.

Purpose of the Study:

  • To review emerging diagnostic modalities for indeterminate biliary strictures.
  • To highlight the limitations of current sampling strategies.
  • To emphasize the need for improved diagnostic accuracy.

Main Methods:

  • Review of emerging data on advanced diagnostic techniques.
  • Evaluation of ancillary cytology, single-operator cholangioscopy, and endoscopic ultrasonography-guided fine needle aspiration (EUS-FNA).

Main Results:

  • Current standard methods (imaging, routine cytology) are often non-diagnostic.
  • Emerging techniques demonstrate promising results.
  • Ancillary cytology, cholangioscopy, and EUS-FNA show significantly improved sensitivity for malignancy detection.

Conclusions:

  • Indeterminate biliary strictures require advanced diagnostic approaches.
  • New endoscopic modalities offer enhanced accuracy over traditional methods.
  • Improved diagnostic sensitivity is critical for appropriate patient management.