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Related Concept Videos

Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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:
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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, unexplained...

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Related Experiment Video

Updated: Jul 11, 2026

Using the Endoscope for Endobronchial Ultrasound in the Esophagus
04:35

Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Published on: November 21, 2023

Endoscopic ultrasound teaching and learning.

M Barthet1

  • 1Department of Gastroenterology, Hôpital Nord, Marseille, France. marc.barthet@ap-hm.fr

Minerva Medica
|October 9, 2007
PubMed
Summary

Endoscopic ultrasound (EUS) training is crucial for improving accuracy in procedures like cancer staging and fine needle aspiration (FNA). Structured training programs, including simulator and animal models, significantly enhance trainee competence and procedural skills.

Area of Science:

  • Gastroenterology
  • Medical Education
  • Diagnostic Imaging

Background:

  • Endoscopic ultrasound (EUS) is a valuable diagnostic tool, but its effectiveness is highly dependent on the endosonographer's expertise.
  • The increasing volume of scientific publications in EUS highlights its growing importance over the past two decades.
  • Achieving proficiency in EUS requires extensive training, with recommendations for a minimum number of supervised cases, particularly for pancreaticobiliary diseases and fine needle aspiration (FNA).

Purpose of the Study:

  • To evaluate the impact of structured training programs on the accuracy and competence of endosonographers.
  • To assess the effectiveness of various training modalities, including simulators and animal models, in improving EUS skills.
  • To analyze the learning curve associated with EUS procedures and its influence on diagnostic accuracy.

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Systematic Endobronchial Ultrasound - The Six Landmarks Approach
05:22

Systematic Endobronchial Ultrasound - The Six Landmarks Approach

Published on: August 11, 2023

Related Experiment Videos

Last Updated: Jul 11, 2026

Using the Endoscope for Endobronchial Ultrasound in the Esophagus
04:35

Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Published on: November 21, 2023

Systematic Endobronchial Ultrasound - The Six Landmarks Approach
05:22

Systematic Endobronchial Ultrasound - The Six Landmarks Approach

Published on: August 11, 2023

Main Methods:

  • Review of existing literature on EUS training and its impact on accuracy.
  • Analysis of formal EUS training programs, such as the French program initiated in 1991 and updated in 2004.
  • Evaluation of training using theoretical instruction, live demonstrations, computed-based simulators (e.g., EUS mentor), and animal models (swine).

Main Results:

  • EUS accuracy for esophageal cancer T staging improved significantly over an 8-year period, though N staging did not show similar improvement.
  • Training has been shown to influence the accuracy of EUS-guided FNA for pancreatic masses.
  • Trainees demonstrated significant improvement in visualizing anatomical structures and performing interventional EUS tasks, such as FNA, after simulator and swine model training.

Conclusions:

  • Formal, structured EUS training is essential for improving diagnostic accuracy and procedural competence.
  • Simulator and animal models are valuable tools for shortening the learning curve and enhancing practical skills in EUS.
  • Continued refinement of EUS training methodologies is necessary to optimize outcomes in pancreaticobiliary diseases and other applications.