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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 IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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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

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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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Endoscopic Procedures V: ERCP01:26

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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 II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

162
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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Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

245
Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
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Related Experiment Video

Updated: Aug 9, 2025

Endoscopy Guided Photoablation of Endometrial Cysts using a 980 nm Laser with a Contact Fiber in Mares
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Towards OCT-Guided Endoscopic Laser Surgery-A Review.

Ajay Gunalan1,2, Leonardo S Mattos1

  • 1Department of Advanced Robotics, Istituto Italiano di Tecnologia, 16163 Genoa, Italy.

Diagnostics (Basel, Switzerland)
|February 25, 2023
PubMed
Summary

Optical Coherence Tomography (OCT) provides real-time imaging for detecting precancerous lesions. OCT-guided endoscopic laser surgery promises enhanced tumor detection and eradication while preserving healthy tissue.

Keywords:
OCTendoscopylaser surgerytheranostics systems

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Area of Science:

  • Biomedical Optics
  • Surgical Technology
  • Medical Imaging

Background:

  • Optical Coherence Tomography (OCT) is an established medical imaging technology, particularly in ophthalmology.
  • Its real-time sensing capabilities and high sensitivity to epithelial precancerous lesions are driving expanded clinical applications.
  • OCT offers valuable data for clinicians, especially in guiding surgical interventions.

Purpose of the Study:

  • To review state-of-the-art technologies for developing OCT-guided endoscopic laser surgery systems.
  • To outline the principles, technical details, challenges, and solutions for endoscopic OCT.
  • To explore the emerging field of OCT-guided endoscopic laser surgery and its potential.

Main Methods:

  • Comprehensive review of current endoscopic OCT technologies.
  • Analysis of the integration of OCT with laser surgery for enhanced visualization and precision.
  • Discussion of technological building blocks for future OCT-guided surgical systems.

Main Results:

  • Endoscopic OCT presents unique challenges in resolution and imaging depth, with proposed solutions.
  • The combination of OCT and laser surgery can improve tumor detection, margin identification, and disease eradication.
  • This integration aims to minimize damage to healthy tissues and critical structures during surgery.

Conclusions:

  • OCT-guided endoscopic laser surgery is a significant emerging research area.
  • This technology holds the potential to revolutionize minimally invasive procedures.
  • Further research is needed to address constraints and fully realize the benefits of this surgical approach.