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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

59
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:
59
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

128
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:
128
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...
57
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

56
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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Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

165
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,...
165
Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

194
Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
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Updated: Jun 11, 2025

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
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Published on: September 27, 2024

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Long-term outcomes for Advanced Colorectal Polyps in the BowelScreen Programme.

E Keating, J Campion, J Leyden

    Irish Medical Journal
    |October 8, 2024
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    Summary
    This summary is machine-generated.

    Endoscopic Mucosal Resection (EMR) effectively manages large colorectal polyps found during screening. This minimally invasive procedure shows low recurrence and complication rates, avoiding surgery in most cases.

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    E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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    Evaluation of Colorectal Cancer Risk and Prevalence by Stool DNA Integrity Detection
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    Area of Science:

    • Gastroenterology
    • Endoscopy
    • Colorectal Cancer Screening

    Background:

    • Colonoscopies in colorectal cancer screening programs frequently detect large non-pedunculated colorectal polyps (LNPCPs).
    • Endoscopic Mucosal Resection (EMR) is a key endoscopic resection technique for LNPCP management.
    • Limited data exists on the clinical outcomes of EMR within screening contexts.

    Purpose of the Study:

    • To evaluate the clinical outcomes of Endoscopic Mucosal Resection (EMR) for large non-pedunculated colorectal polyps (LNPCPs) identified during colorectal cancer screening.
    • To assess the safety, efficacy, and recurrence rates of EMR in a screening program setting.

    Main Methods:

    • Retrospective analysis of a prospectively maintained Endoscopic Mucosal Resection (EMR) database.
    • Inclusion of patients from the BowelScreen program at a single center over a 5-year period.
    • Review of polyp characteristics, resection outcomes, complications, and surveillance data.

    Main Results:

    • Fifty-two LNPCPs in 50 patients were resected via EMR, with a median size of 25mm.
    • Adenocarcinoma was found in 7.8% of specimens; overall complication rate was 5.7%.
    • Recurrence rate was 8.3%, with 92% of patients avoiding surgery and recurrences being endoscopically manageable.

    Conclusions:

    • EMR is an effective and definitive treatment for complex polyps identified in colorectal cancer screening programs.
    • Low recurrence and complication rates confirm EMR's value in screening.
    • Post-EMR surveillance effectively detects and manages recurrences, demonstrating high patient compliance.