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Related Concept Videos

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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Endoscopic Procedures II: Colonoscopy01:25

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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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Cancer Survival Analysis01:21

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Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
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Updated: Jan 6, 2026

Comparison of Predictive Performance of Three Lymph Node Staging Systems in Colorectal Signet Ring Cell Carcinoma Based on Machine Learning Model
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Post Capsule Endoscopy Small Bowel Cancer Rate-An Australian Data Linkage Analysis.

Paris Hoey1,2, Naeman Goetz3, Kimberley Ryan3

  • 1Department of Gastroenterology and Hepatology, Royal Brisbane and Women's Hospital, Herston, 4029, Australia. p.hoey@uq.edu.au.

Journal of Gastrointestinal Cancer
|September 20, 2025
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Summary
This summary is machine-generated.

The risk of developing small bowel cancer within 36 months of a negative capsule endoscopy (CE) was 10%. Root-cause analysis indicated these missed small bowel cancers were unavoidable in this study.

Keywords:
CancerCapsule endoscopySmall bowel

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Area of Science:

  • Gastroenterology
  • Oncology
  • Diagnostic Imaging

Background:

  • Small bowel capsule endoscopy (CE) is crucial for diagnosing small bowel pathology.
  • Limited research exists on the diagnostic miss rate of small bowel cancer using CE.
  • A novel root-cause analysis (RCA) method was employed to evaluate missed cancers.

Purpose of the Study:

  • To assess the risk of developing small bowel cancer within 36 months of a cancer-negative CE (PCSBC-3Y).
  • To utilize a novel root-cause analysis (RCA) method for evaluating missed small bowel cancers.

Main Methods:

  • A prospective CE database and state cancer registry data were linked for patients undergoing CE (2007-2019).
  • Small bowel cancers were categorized as 'detected' (from CE) or 'missed' (diagnosed within 36 months post-CE).
  • All PCSBC-3Y cases underwent RCA for detailed evaluation.

Main Results:

  • Twenty small bowel cancers were diagnosed within 36 months of CE; 18 were detected, and 2 were missed.
  • The overall PCSBC-3Y rate was 10% (95% CI 2.6-28.7%).
  • RCA determined the two missed cancers (jejunal GIST, duodenal adenocarcinoma) were unavoidable upon retrospective review.

Conclusions:

  • Introduces the PCSBC-3Y rate and a novel RCA algorithm for evaluating missed small bowel cancers.
  • The PCSBC-3Y rate in this quaternary referral CE cohort was 10%.
  • The study suggests that missed small bowel cancers identified via RCA were unavoidable in this cohort.