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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

328
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:
328
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

222
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
222
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

277
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
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
277
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

426
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,...
426
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

515
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:
515
Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

329
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...
329

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Related Experiment Video

Updated: Nov 13, 2025

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
03:43

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

Published on: July 11, 2025

327

Colonoscopy screening and surveillance guidelines.

Yutaka Saito1, Shiro Oka1, Takuji Kawamura1

  • 1Japan Gastroenterological Endoscopy Society, Tokyo, Japan.

Digestive Endoscopy : Official Journal of the Japan Gastroenterological Endoscopy Society
|March 13, 2021
PubMed
Summary
This summary is machine-generated.

Japan

Keywords:
adenoma detection rateadvanced neoplasiacolonoscopycolorectal cancercolorectal polypscost-effectivenessguidelinesopportunistic screeningoptical digital methodpopulation-based screeningpost-colonoscopy colorectal cancerprimary preventionquality indicatorrisk stratificationscreeningsurveillance

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E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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Area of Science:

  • Gastroenterology and Endoscopy

Background:

  • Colorectal cancer (CRC) mortality is a significant public health concern.
  • Endoscopic screening and surveillance are crucial for early detection and post-treatment follow-up of CRC.
  • Limited high-level evidence necessitates expert consensus for clinical guidelines.

Purpose of the Study:

  • To establish basic clinical practice guidelines for colonoscopy screening and surveillance in Japan.
  • To provide evidence-based recommendations for the detection and management of colorectal cancer.

Main Methods:

  • Development of guidelines by the Japan Gastroenterological Endoscopy Society.
  • Focus on expert consensus due to limited high-level evidence.
  • Inclusion of 20 clinical questions and eight background knowledge topics.

Main Results:

  • The guidelines provide current guiding principles for colonoscopy screening and surveillance.
  • The guidelines address essential aspects of colorectal cancer detection and follow-up.

Conclusions:

  • The developed guidelines offer a framework for optimizing colonoscopy practices.
  • These guidelines aim to reduce colorectal cancer mortality through effective screening and surveillance strategies.