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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:
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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...
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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

Endoscopic Procedures III: Video Capsule Endoscopy

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, unexplained...

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Impact of nutritional risk screening on outcomes of first-line treatment in metastatic esophagogastric adenocarcinoma: a secondary analysis of the AIO-MATEO trial.

ESMO gastrointestinal oncology·2026
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Cancer prevalence and care disparities among individuals with intellectual disabilities: a cross-sectional pan-cancer analysis.

ESMO real world data and digital oncology·2026
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Corrigendum to "Prognostic and predictive value of CA 19-9 inlocally advanced pancreatic cancer treated with multiagent induction chemotherapy: results from a prospective, multicenter phase II trial (NEOLAP-AIO-PAK-0113)": [ESMO Open 7 (2024) 100552].

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[Metastatic colorectal cancer-Modern treatment strategies and sequences].

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Related Experiment Video

Updated: May 9, 2026

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

[Colon Polypectomy - And Then?].

A W Berger1, T J Ettrich1, M M Dollinger1

  • 1Zentrum für Innere Medizin, Klinik für Innere Medizin I, Universitätsklinikum Ulm, Ulm, Deutschland.

Zentralblatt Fur Chirurgie
|July 13, 2013
PubMed
Summary

Screening colonoscopies detect precancerous colorectal polyps, reducing cancer mortality. Follow-up colonoscopy intervals depend on polyp findings, with high-risk patients needing earlier surveillance than low-risk individuals.

Area of Science:

  • Gastroenterology and Oncology
  • Pathology
  • Preventive Medicine

Context:

  • Colorectal cancer (CRC) is a common gastrointestinal malignancy.
  • CRC development involves the adenoma-carcinoma sequence and the serrated pathway.
  • Screening colonoscopy with polypectomy is crucial for CRC prevention and mortality reduction.

Purpose:

  • To outline the role of screening colonoscopy in colorectal cancer (CRC) prevention.
  • To detail risk stratification guidelines for post-polypectomy surveillance.
  • To emphasize the importance of both endoscopic and pathological findings in patient management.

Summary:

  • Colonoscopy is the gold standard for CRC diagnosis and prevention, recommended from age 55.
  • Post-polypectomy surveillance intervals are determined by risk stratification based on the number, size, and histology of removed adenomas.

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Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection
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Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection

Published on: January 9, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
06:28

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Related Experiment Videos

Last Updated: May 9, 2026

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

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection
06:46

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection

Published on: January 9, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
06:28

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

  • High-risk patients (e.g., multiple adenomas, large adenomas, villous histology) require follow-up within 3 years, while low-risk patients (1-2 small tubular adenomas) can have follow-up after 5 years.

    • Impact:

    • Facilitates timely and appropriate follow-up colonoscopies, optimizing CRC surveillance.
    • Aids clinicians in risk-stratifying patients, potentially reducing unnecessary procedures and healthcare costs.
    • Contributes to lowering CRC-associated mortality through effective early detection and management strategies.