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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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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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Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
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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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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

548
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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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

870
An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
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Updated: Jan 13, 2026

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
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Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

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Enhancing Colonoscopy Quality: Evaluating Adherence to Performance Measures in Ukraine.

Ivan Hornik1,2,3, Andrei Nikiforchin2, Marta Antoniv2,4

  • 1Department of Endoscopy, LLC "GASTROCENTER" Olymed, Kyiv, Ukraine.

JCO Global Oncology
|October 29, 2025
PubMed
Summary
This summary is machine-generated.

Ukrainian endoscopists show variable adherence to colonoscopy quality measures, with noncalculated practices reported more often than calculated ones. Improving quality assurance and education is crucial for the national colorectal cancer screening program.

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Area of Science:

  • Gastroenterology
  • Oncology
  • Public Health

Background:

  • Colorectal cancer (CRC) screening via colonoscopy significantly reduces mortality.
  • Ukraine faces a high burden of CRC, necessitating quality improvement in screening practices.

Purpose of the Study:

  • To assess Ukrainian endoscopists' adherence to international colonoscopy performance measures (PMs).
  • To identify factors influencing the quality of screening colonoscopies in Ukraine.

Main Methods:

  • A cross-sectional study utilizing a web-based survey distributed to members of the EndoAcademy society in Ukraine.
  • The survey evaluated adherence to six calculated and six noncalculated colonoscopy PMs.

Main Results:

  • 122 endoscopists responded, reporting a median adherence to 6 quality PMs.
  • Noncalculated PMs (e.g., polyp retrieval) were reported more frequently than calculated PMs (e.g., adenoma detection rate).
  • Adherence to quality PMs, particularly photo/video recording and adequate procedure time, was associated with optimal polyp treatment.

Conclusions:

  • This study reveals documentation gaps and variability in polyp management among Ukrainian endoscopists.
  • Structured quality assurance, audit-and-feedback, and education based on international PMs are essential for Ukraine's population-based CRC screening program.