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Related Concept Videos

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.
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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 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:
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...
Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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Related Experiment Video

Updated: Jul 5, 2026

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
07:06

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Published on: December 8, 2014

[CT-colonography after incomplete conventional colonoscopy].

Steffen Brisling1, Sven Adamsen, Henrik Nørgaard

  • 1Herlev Hospital, Gastroenheden, Kirurgisk Sektion D-113, Herlev.

Ugeskrift for Laeger
|May 6, 2008
PubMed
Summary
This summary is machine-generated.

Same-day CT colonography (CTC) after incomplete conventional colonoscopy (CC) is feasible. This approach effectively identifies polyps and masses, improving diagnostic yield and detecting extra-intestinal disease.

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Area of Science:

  • Gastroenterology
  • Radiology
  • Medical Imaging

Background:

  • Conventional colonoscopy (CC) is often incomplete.
  • CT colonography (CTC) is recommended as a follow-up for incomplete CC.
  • This study evaluates same-day CTC after incomplete CC.

Purpose of the Study:

  • To assess the feasibility of performing CT colonography (CTC) on the same day as an incomplete conventional colonoscopy (CC).
  • To evaluate the diagnostic outcomes of same-day CTC following incomplete CC.

Main Methods:

  • 50 patients with incomplete CC (excluding poor preparation) underwent same-day CTC.
  • CTC was performed in dual positions without contrast.
  • Patients with suspected polyps on CTC underwent repeat CC or surgery for verification.

Main Results:

  • 86% of same-day CTCs were conclusive.
  • CTC detected 17 suspected polyps/masses, with 13 verified (28% of patients).
  • Detection rates varied by size, including 2 cancers; 38% had incidental extra-intestinal findings.

Conclusions:

  • Same-day CT colonography is a feasible and effective option after incomplete conventional colonoscopy.
  • This strategy improves diagnostic yield and can reveal unexpected findings.