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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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...
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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.
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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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...
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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 Studies I: Bronchoscopy and Thoracoscopy

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
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Related Experiment Video

Updated: Jun 22, 2026

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
09:42

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation

Published on: August 26, 2014

Towards CARS Endoscopy.

François Légaré, Conor L Evans, Feruz Ganikhanov

    Optics Express
    |June 12, 2009
    PubMed
    Summary

    We demonstrate a new fiber-optic endoscope using Coherent Anti-Stokes Raman Scattering (CARS) microscopy. This technology enables in situ chemical imaging for biomedical applications.

    Area of Science:

    • Biomedical Optics
    • Chemical Imaging
    • Endoscopy

    Background:

    • Coherent Anti-Stokes Raman Scattering (CARS) microscopy offers label-free chemical contrast.
    • Existing CARS systems are often limited in their ability to perform in vivo imaging.
    • Minimally invasive imaging techniques are crucial for in situ diagnostics.

    Purpose of the Study:

    • To demonstrate a proof-of-principle for CARS endoscopy.
    • To develop a compact CARS endoscope for biomedical applications.
    • To enable in situ chemically selective imaging.

    Main Methods:

    • A single-mode optical fiber with a distal focusing unit was designed.
    • Picosecond pump and Stokes pulse trains were delivered through the fiber.
    • Epi-CARS signals were collected and the sample was raster scanned for image acquisition.

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    Last Updated: Jun 22, 2026

    Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
    09:42

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    Published on: August 26, 2014

    Using the Endoscope for Endobronchial Ultrasound in the Esophagus
    04:35

    Using the Endoscope for Endobronchial Ultrasound in the Esophagus

    Published on: November 21, 2023

    Main Results:

    • The optical fiber delivered near-infrared pulses with minimal spectral and temporal alteration.
    • Intensities required for endoscopy were maintained.
    • CARS endoscopic images were successfully recorded.

    Conclusions:

    • The developed CARS endoscope prototype is a significant advancement.
    • This technology facilitates in situ chemically selective imaging.
    • It holds promise for future biomedical diagnostic applications.