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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):
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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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 II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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:
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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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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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Updated: Jun 15, 2026

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
09:42

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Published on: August 26, 2014

Novel image-enhanced endoscopy with i-scan technology.

Shinya Kodashima, Mitsuhiro Fujishiro

    World Journal of Gastroenterology
    |March 6, 2010
    PubMed
    Summary
    This summary is machine-generated.

    i-Scan technology enhances endoscopic imaging with surface, contrast, and tone enhancement algorithms. This advanced visualization aids in the early detection and diagnosis of gastrointestinal diseases.

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    Area of Science:

    • Medical Imaging
    • Gastroenterology
    • Endoscopic Technology

    Background:

    • i-Scan is an image-enhanced endoscopy technology developed by PENTAX, Japan.
    • It incorporates three algorithms: Surface Enhancement (SE), Contrast Enhancement (CE), and Tone Enhancement (TE).
    • SE and CE operate in real-time, enhancing mucosal structure and subtle irregularities without altering original organ color, making them ideal for screening.

    Discussion:

    • Tone Enhancement (TE) analyzes and modifies RGB components to improve visualization of minute mucosal structures and color changes.
    • TE offers specialized modes (TE-g, TE-c, TE-e) for gastric, colonic, and esophageal tumors, respectively.
    • TE is primarily used for detailed examination of lesions identified during screening endoscopy.

    Key Insights:

    • i-Scan technology improves the detection of gastrointestinal tumors during early-stage screening.
    • The combination of SE, CE, and TE algorithms facilitates easier diagnosis and treatment planning.
    • Real-time image enhancement improves visualization of subtle mucosal details.

    Outlook:

    • i-Scan technology has the potential to significantly improve patient outcomes in gastroenterology.
    • Further integration of advanced imaging techniques may lead to more precise endoscopic diagnostics.
    • Continued development of image-enhanced endoscopy promises enhanced capabilities for disease detection and management.