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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

205
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:
205
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

468
Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
468
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...
205
Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

286
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...
286
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

162
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...
162
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

349
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,...
349

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Related Experiment Video

Updated: Sep 30, 2025

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
15:49

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TAX-Corpus: Taxonomy based Annotations for Colonoscopy Evaluation.

Shorabuddin Syed1, Adam Jackson Angel2, Hafsa Bareen Syeda3

  • 1Department of Biomedical Informatics, University of Arkansas for Medical Sciences, U.S.A.

Biomedical Engineering Systems and Technologies, International Joint Conference, BIOSTEC ... Revised Selected Papers. BIOSTEC (Conference)
|March 18, 2022
PubMed
Summary
This summary is machine-generated.

This study addresses challenges in colorectal cancer screening data by creating a high-quality annotated corpus. This resource aims to improve machine learning models for better quality metrics and research.

Keywords:
AnnotationClinical CorpusColonoscopyMachine LearningNatural Language ProcessingTaxonomy

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Area of Science:

  • Medical Informatics
  • Natural Language Processing
  • Colorectal Cancer Research

Background:

  • Colonoscopy is vital for colorectal cancer (CC) screening, but data is fragmented across multiple reports.
  • This fragmentation hinders quality metric reporting and clinical research.
  • Current data abstraction methods rely on manual processes or machine learning (ML) models that require accurate annotated data.

Purpose of the Study:

  • To identify key clinical entities for colonoscopy quality assessment.
  • To develop a high-quality annotated corpus for colonoscopy data.
  • To facilitate the training of ML models for improved data analysis and research.

Main Methods:

  • Defined domain-specific taxonomies for clinical entities.
  • Established standardized annotation guidelines.
  • Manually annotated a corpus of colonoscopy-related documents.

Main Results:

  • A high-quality annotated corpus of clinical entities relevant to colonoscopy quality was successfully built.
  • The corpus adheres to standardized annotation guidelines.
  • This resource addresses the bottleneck of limited annotated data for ML model development.

Conclusions:

  • The developed annotated corpus is crucial for training robust ML models.
  • This initiative will improve the accuracy of quality metrics and advance clinical and translational research in colorectal cancer.
  • Standardized annotation is key to overcoming limitations in ML deployment for healthcare data.