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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

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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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Related Experiment Video

Updated: Apr 24, 2026

Whole Vitreous Humor Dissection for Vitreodynamic Analysis
04:41

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23-Gauge endoscopic vitrectomy.

S Chien Wong1, Thomas C Lee, Jeffrey S Heier

  • 1Moorfields Eye Hospital, London, UK.

Developments in Ophthalmology
|September 9, 2014
PubMed
Summary
This summary is machine-generated.

Endoscopic vitrectomy offers unique optical advantages for microincision vitreoretinal surgery. This technique enhances visualization of challenging retinal regions, aiding in complex cases.

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Area of Science:

  • Ophthalmology
  • Surgical Technology

Background:

  • Vitreoretinal diseases present diverse surgical challenges.
  • Standard surgical viewing systems have limitations in visualizing certain ocular structures.

Purpose of the Study:

  • To review the role of endoscopic vitrectomy in modern microincision vitreoretinal surgery.
  • To highlight the optical advantages of endoscopy for challenging surgical scenarios.

Main Methods:

  • Review of clinical applications and optical properties of endoscopic vitrectomy.
  • Discussion of indications for endoscopic visualization in complex vitreoretinal pathologies.

Main Results:

  • Endoscopy bypasses anterior segment opacities for improved visualization.
  • It provides access to difficult-to-reach retinal areas and unique surgical perspectives.
  • The 23-gauge endoscope enhances the utility of endoscopic vitrectomy.

Conclusions:

  • Endoscopic vitrectomy is a valuable tool for microincision vitreoretinal surgery.
  • Its unique optical properties address limitations of conventional viewing systems.
  • It is particularly useful for complex anterior and pediatric vitreoretinal conditions.