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Related Concept Videos

Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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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.
During an EGD, the endoscope can be used to:
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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.
Patient...
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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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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Ultrasonography01:17

Ultrasonography

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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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Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

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Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
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Related Experiment Video

Updated: Jun 8, 2025

Author Spotlight: Advancing Biopsy Techniques with Transesophageal Ultrasound
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Author Spotlight: Advancing Biopsy Techniques with Transesophageal Ultrasound

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Diagnostic Endoscopic Ultrasound.

Mark J Radlinski1, Himesh B Zaver2, Vanessa M Shami2

  • 1Division of Gastroenterology, Hepatology, and Nutrition, Vanderbilt University Medical Center, 1301 Medical Center Drive, 160 TVC, Nashville, TN 37232, USA.

Gastroenterology Clinics of North America
|November 3, 2024
PubMed
Summary
This summary is machine-generated.

Minimally invasive endoscopic techniques now allow for safer assessment and tissue sampling of lesions within the gastrointestinal tract and beyond. These advancements have transformed the diagnosis and staging of various internal and external lesions.

Keywords:
CytologyEndoscopic ultrasoundFine needle aspirationFine needle biopsyMediastinal lesionsPancreatic lesionsStagingSubepithelial lesions

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Area of Science:

  • Medical Technology
  • Gastroenterology
  • Minimally Invasive Surgery

Background:

  • The past 20 years have witnessed significant advancements in endoscopic technologies.
  • These innovations facilitate minimally invasive approaches for lesion assessment and sampling.
  • Applications extend beyond the gastrointestinal lumen to the chest, abdomen, and pelvis.

Purpose of the Study:

  • To highlight the revolutionary impact of new endoscopic techniques.
  • To emphasize their role in diagnosis and staging of intraluminal and extraluminal lesions.
  • To underscore the improved safety and accessibility of tissue acquisition.

Main Methods:

  • Review and synthesis of recent developments in endoscopic technologies and techniques.
  • Analysis of the application of these modalities in assessing and sampling lesions.
  • Evaluation of their impact on clinical practice.

Main Results:

  • Emergence of novel endoscopic tools and methods over the last two decades.
  • Successful application in minimally invasive assessment and sampling of lesions.
  • Expansion of endoscopic capabilities to extraluminal sites including chest, abdomen, and pelvis.

Conclusions:

  • New endoscopic approaches have revolutionized lesion diagnosis and staging.
  • These techniques offer more accessible and safer tissue acquisition.
  • Minimally invasive endoscopy is a transformative modality in modern medicine.