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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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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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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:
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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

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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.
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Related Experiment Video

Updated: Sep 18, 2025

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
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Improvement of Colonoscopic Image Quality Using a New LED Endoscopic System with Specialized Noise Reduction.

Naohisa Yoshida1, Masahiro Okada2, Yoshikazu Hayashi2

  • 1Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan.

Diagnostics (Basel, Switzerland)
|June 26, 2025
PubMed
Summary

The new Fujifilm EP-8000 LED endoscopy system significantly enhances colonoscopic image quality. It offers improved brightness and reduced halation for better visualization of the colon and lesions.

Keywords:
LEDblue light imagingcolonoscopylinked color imaging

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Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Endoscopy Technology

Background:

  • A novel LED endoscopy system, the Fujifilm EP-8000 with EC-860ZP colonoscope, was released in 2024.
  • This system incorporates advanced noise-reduction technology for improved image acquisition.

Purpose of the Study:

  • To evaluate the enhanced colonoscopic image quality of the new EP-8000 system.
  • To compare the image quality of the new system against a previous generation system (VP-7000).

Main Methods:

  • A multicenter, observational study involving 150 patients undergoing colonoscopy.
  • Images of the cecum and lesions were captured using white light imaging (WLI), blue light imaging (BLI), and linked color imaging (LCI).
  • Image quality was assessed by endoscopists and image-analysis software based on brightness, halation, and visibility.

Main Results:

  • The EP-8000 system demonstrated significantly superior brightness and reduced halation in cecal and lesion images compared to the VP-7000 system across WLI, BLI, and LCI modes.
  • Endoscopist evaluations and software analysis confirmed these improvements.

Conclusions:

  • The new Fujifilm EP-8000 LED endoscopy system offers significant improvements in image quality.
  • Enhanced brightness, reduced halation, and improved lesion visibility were key benefits observed with the new system.