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Related Concept Videos

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 IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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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.
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...
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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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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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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...
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Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

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The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
Purpose and Procedure
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
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Related Experiment Video

Updated: Dec 22, 2025

Author Spotlight: Generation of and Comparison Between Patient-Derived Gastric Organoids from Different Regions of the Stomach
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Deep learning-based anatomical site classification for upper gastrointestinal endoscopy.

Qi He1, Sophia Bano2, Omer F Ahmad2

  • 1Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin, China.

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|May 8, 2020
PubMed
Summary

This study introduces a deep learning framework for automated upper gastrointestinal endoscopic reporting using standardized oesophagogastroduodenoscopy (EGD) images. The method shows feasibility and improved performance in classifying EGD images, aiding quality control.

Keywords:
Artificial intelligenceDeep learningEndoscopyGastroenterology

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Area of Science:

  • Medical Imaging
  • Artificial Intelligence
  • Gastroenterology

Background:

  • Upper gastrointestinal (GI) endoscopic image documentation is crucial for quality control but faces challenges due to similar site appearances and patient variations.
  • Computer-assisted techniques struggle with the variability in endoscopic images.

Purpose of the Study:

  • To propose a standardized set of oesophagogastroduodenoscopy (EGD) images for routine capture.
  • To evaluate the efficiency of these images for deep learning-based classification methods.
  • To develop an automated endoscopic reporting system.

Main Methods:

  • A novel EGD image dataset was created, standardizing upper GI endoscopy following guideline landmarks.
  • Images were annotated by an expert clinician.
  • Several deep learning classification models were trained using the annotated dataset.

Main Results:

  • The study analyzed 3704 EGD images from 211 patients.
  • A close agreement was found between predicted labels and expert-labeled ground truth.
  • Limitations of current static image classification for EGD were identified.

Conclusions:

  • A framework for automated EGD report generation using deep learning was presented.
  • The proposed method is feasible for EGD image classification.
  • The approach demonstrated potential for improved performance and qualitative results.