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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

41
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:
41
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

35
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...
35
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

38
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...
38
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

66
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,...
66
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

74
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
74
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

128
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,...
128

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Updated: May 22, 2025

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AI and Polyp Detection During Colonoscopy.

Marco Spadaccini1,2, Maddalena Menini1,2, Davide Massimi1,2

  • 1Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy.

Cancers
|March 13, 2025
PubMed
Summary
This summary is machine-generated.

Artificial intelligence (AI) computer-aided detection (CADe) systems improve adenoma detection rates (ADRs) and reduce miss rates in colonoscopies, particularly for small polyps. Further research is needed to assess long-term impact on colorectal cancer (CRC) reduction.

Keywords:
adenoma detection rate (ADR)artificial intelligence (AI)colonoscopycolorectal cancer (CRC)computer-aided detection (CADe)polyp detection

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Area of Science:

  • Gastroenterology and Medical Imaging
  • Artificial Intelligence in Medicine

Background:

  • Effective colonoscopy is crucial for colorectal cancer (CRC) prevention, but adenoma detection rates (ADRs) and missed lesions present significant challenges.
  • Artificial intelligence (AI)-powered computer-aided detection (CADe) systems are emerging as a tool to enhance polyp identification during colonoscopy.

Purpose of the Study:

  • To review the role of CADe systems in improving ADRs and reducing adenoma miss rates (AMRs).
  • To discuss the broader clinical implications and future directions of CADe in colonoscopy.

Main Methods:

  • Systematic review of studies evaluating AI-powered CADe systems in colonoscopy.
  • Analysis of CADe's performance in detecting various polyp types and its impact on ADRs and AMRs.

Main Results:

  • CADe systems consistently improve ADRs and reduce AMRs, especially for diminutive polyps.
  • Limited efficacy of current CADe systems in detecting advanced adenomas or sessile serrated lesions.
  • Challenges include potential operator deskilling and the need for algorithm refinement.

Conclusions:

  • CADe shows potential to standardize polyp detection quality during colonoscopy.
  • The long-term impact of CADe on CRC incidence and mortality requires further investigation.
  • Future research should focus on enhancing CADe technology and evaluating its effectiveness in reducing the global CRC burden.