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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):
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...
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.
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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.
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Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...
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.
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Related Experiment Video

Updated: Jun 25, 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

Interventional endoscopic ultrasonography.

Kenji Yamao1, Vikram Bhatia, Nobumasa Mizuno

  • 1Department of Gastroenterology, Aichi Cancer Center Hospital, Nagoya, Japan. kyamao@aichi-cc.jp

Journal of Gastroenterology and Hepatology
|February 18, 2009
PubMed
Summary

Endoscopic ultrasonography (EUS) enhances gastrointestinal imaging, offering high-resolution views for diagnosing pancreatobiliary diseases. EUS-guided fine needle aspiration (EUS-FNA) has expanded its role in lesion diagnosis and therapy.

Related Experiment Videos

Last Updated: Jun 25, 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

Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Endoscopy

Background:

  • Endoscopic ultrasonography (EUS) combines endoscopy with high-frequency ultrasonography for detailed imaging.
  • It is a key diagnostic tool for pancreatobiliary diseases, surpassing other modalities in visualizing lesions.
  • Early limitations included differentiating benign from malignant changes.

Purpose of the Study:

  • To review the current and future applications of interventional EUS.
  • To highlight the advancements in EUS-guided fine needle aspiration (EUS-FNA).
  • To discuss the therapeutic potential of EUS.

Main Methods:

  • Review of existing literature on EUS and interventional EUS techniques.
  • Focus on EUS-guided fine needle aspiration (EUS-FNA) since its inception in 1992.
  • Analysis of diagnostic and therapeutic roles of EUS.

Main Results:

  • EUS provides high-resolution images crucial for diagnosing pancreatobiliary conditions.
  • EUS-FNA enables tissue sampling for improved diagnostic specificity.
  • Interventional EUS is expanding into various therapeutic applications.

Conclusions:

  • EUS is a valuable tool for gastrointestinal malignancy staging and diagnosis.
  • EUS-FNA has broadened diagnostic capabilities and therapeutic interventions.
  • Interventional EUS holds significant promise for future advancements in patient care.