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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

200
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:
200
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

205
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
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

161
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...
161
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

465
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,...
465
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

387
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:
387
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

348
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,...
348

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Related Experiment Video

Updated: Sep 28, 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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Endoscopic Recognition and Classification of Colorectal Polyps.

Karl Mareth1, Hashroop Gurm1, Mohammad F Madhoun1

  • 1Veterans Affairs Medical Center, 921 NE 13th St, Oklahoma City, OK 73104, USA; Gastroenterology and Hepatology, Division of Digestive Diseases and Nutrition, University of Oklahoma Health Sciences Center, 800 Stanton L. Young Boulevard, COMD 7400, Oklahoma City, OK 73104, USA.

Gastrointestinal Endoscopy Clinics of North America
|April 1, 2022
PubMed
Summary
This summary is machine-generated.

Colonoscopy enables detailed evaluation of colon polyps using visual characteristics to determine if they are cancerous or suitable for endoscopic removal. Understanding these features is crucial for accurate diagnosis and treatment planning.

Keywords:
ClassificationsPolypsRecognition

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Colorectal Cancer Cell Surface Protein Profiling Using an Antibody Microarray and Fluorescence Multiplexing
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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Oncology

Background:

  • Colonoscopy is a key procedure for examining the colon.
  • Superficial colon lesions require careful evaluation.
  • Accurate characterization of lesions impacts treatment decisions.

Purpose of the Study:

  • To emphasize the importance of morphologic features in colon lesion evaluation.
  • To highlight the role of standardized classification systems.
  • To underscore the need for endoscopist understanding of lesion characterization.

Main Methods:

  • Morphologic assessment of colon lesions during colonoscopy.
  • Utilizing standardized evaluation systems for polyp characterization.
  • Analysis of lesion features like size, location, shape, and surface pattern.

Main Results:

  • Morphologic features aid in differentiating benign from malignant lesions.
  • Standardized systems help predict submucosal invasion risk.
  • Endoscopic resection appropriateness is determined by lesion characteristics.

Conclusions:

  • Thorough evaluation of colon lesions is essential.
  • Understanding lesion characterization is critical for proceduralists.
  • Accurate assessment prevents undertreatment or overtreatment of colon polyps.