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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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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

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

Endoscopic Procedures III: Video Capsule Endoscopy

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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,...
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Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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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:
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Related Experiment Video

Updated: Jul 15, 2025

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
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A step-by-step guide to approaching colon polyps.

Amir Sadeghi1, Naghmeh Salarieh1, Pardis Ketabi Moghadam1

  • 1Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Gastroenterology and Hepatology From Bed to Bench
|September 28, 2023
PubMed
Summary

Colorectal polyps are precursors to colorectal cancer (CRC) and are the most modifiable factor in CRC development. This review covers polyp classification, endoscopic resection, complications, and surveillance strategies.

Keywords:
Colorectal polypsDeep mural injury.JNET classificationKudo pit patternNICE classificationParis classification

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Area of Science:

  • Gastroenterology
  • Oncology
  • Pathology

Background:

  • Colorectal cancer (CRC) is a prevalent cancer globally and in Iran.
  • Colorectal polyps are recognized as precursors to CRC, making their management crucial.
  • Polyp removal is a key modifiable factor in CRC prevention.

Purpose of the Study:

  • To review the classification of colorectal polyps.
  • To discuss the probability and considerations for endoscopic resection.
  • To outline potential complications of endoscopic polypectomy and appropriate surveillance.

Main Methods:

  • This study presents a review of existing literature on colorectal polyps.
  • Information was gathered on polyp classification, endoscopic resection techniques, and post-polypectomy surveillance.
  • The review also addresses complications associated with endoscopic polypectomy.

Main Results:

  • Colorectal polyps are histologically classified into adenomas, serrated polyps, hyperplastic polyps, and hamartomas.
  • Endoscopic resection is feasible for polyps without submucosal invasion, requiring careful colonoscopic evaluation.
  • Complications and surveillance protocols are critical aspects of polyp management.

Conclusions:

  • Understanding colorectal polyp classification and management is vital for CRC prevention.
  • Endoscopic polypectomy is a key intervention, but requires careful assessment and follow-up.
  • Proper surveillance post-polypectomy is essential to minimize CRC risk.