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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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

Assessment of the Rectum and Anus

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.
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Serum Laboratory Studies, Stool Test, Breath Test01:30

Serum Laboratory Studies, Stool Test, Breath Test

Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...

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Related Experiment Video

Updated: Jun 13, 2026

Evaluation of Colorectal Cancer Risk and Prevalence by Stool DNA Integrity Detection
07:35

Evaluation of Colorectal Cancer Risk and Prevalence by Stool DNA Integrity Detection

Published on: June 8, 2020

Screening for colorectal carcinoma.

P H Gordon1

  • 1Montreal, Quebec. philip.gordon@mcgill.ca

Current Oncology (Toronto, Ont.)
|April 21, 2010
PubMed
Summary
This summary is machine-generated.

Regular colorectal cancer screening is vital in Canada, as it is the second leading cause of cancer death. Colonoscopy is the most effective screening method for preventing colorectal cancer by removing polyps or detecting it early.

Keywords:
Screeningcolorectal cancer

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Colorectal Cancer Cell Surface Protein Profiling Using an Antibody Microarray and Fluorescence Multiplexing
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Published on: September 25, 2011

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Last Updated: Jun 13, 2026

Evaluation of Colorectal Cancer Risk and Prevalence by Stool DNA Integrity Detection
07:35

Evaluation of Colorectal Cancer Risk and Prevalence by Stool DNA Integrity Detection

Published on: June 8, 2020

Colorectal Cancer Cell Surface Protein Profiling Using an Antibody Microarray and Fluorescence Multiplexing
15:17

Colorectal Cancer Cell Surface Protein Profiling Using an Antibody Microarray and Fluorescence Multiplexing

Published on: September 25, 2011

Area of Science:

  • Oncology
  • Gastroenterology
  • Preventive Medicine

Background:

  • Colorectal carcinoma is a significant cause of mortality in Canada.
  • The presence of precursor polyps makes early detection and prevention crucial.
  • Screening facilitates either polyp removal or early-stage cancer detection for curable outcomes.

Purpose of the Study:

  • To emphasize the critical importance of colorectal cancer screening.
  • To advocate for colonoscopy as the preferred screening modality.
  • To encourage patient participation and physician recommendation of screening examinations.

Main Methods:

  • Review of available colorectal cancer screening modalities.
  • Highlighting colonoscopy as the optimal method.
  • Discussion on the benefits of screening for prevention and early detection.

Main Results:

  • Colonoscopy is identified as the most effective screening tool.
  • Screening offers a pathway to prevent colorectal cancer through polyp removal.
  • Early detection via screening significantly improves curability rates.

Conclusions:

  • Colorectal cancer screening is essential for reducing mortality in Canada.
  • Physicians should actively promote colonoscopy to patients.
  • Individuals are encouraged to undergo regular colorectal cancer screening examinations.