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Endoscopic Procedures I: Esophagogastroduodenoscopy

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.
During an EGD, the endoscope can be used to:

Endoscopic Procedures V: ERCP

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 III: Video Capsule Endoscopy

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,...

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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...

Endoscopic Procedures II: Colonoscopy

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:

Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding

Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding

Enteral nutrition encompasses various methods of delivering nutrition directly to the gastrointestinal (GI) tract, bypassing traditional oral intake. It is particularly beneficial for patients who cannot eat by mouth but have a functioning digestive system. Key methods include nasointestinal feeding, gastrostomy, and jejunostomy, each suited to different clinical scenarios based on the patient's needs and condition.
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube...

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Related Experiment Video

Updated: Feb 24, 2026

Author Spotlight: Advancing Early Detection and Treatment of Gastrointestinal Tumors

Author Spotlight: Advancing Early Detection and Treatment of Gastrointestinal Tumors

Published on: February 16, 2024

Gastric interventional endoscopy.

Mohamed Mahmoud¹, Erik Holzwanger, Wahid Wassef

¹aDepartment of Gastroenterology bDepartment of Medicine, University of Massachusetts Memorial Medical Center, Massachussets, USA.

Current Opinion in Gastroenterology

|August 24, 2017

Summary

This summary is machine-generated.

New gastric endoscopic procedures offer less invasive treatments for obesity, early gastric cancer, and gastroparesis, potentially replacing traditional surgery. These advances improve patient access and outcomes in bariatric and oncologic care.

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Area of Science:

Gastroenterology
Minimally Invasive Surgery
Endoscopic Therapeutics

Background:

Gastric interventional endoscopy is evolving rapidly.
Traditional surgical methods have limitations in certain gastric conditions.

Purpose of the Study:

To review recent advancements in gastric interventional endoscopy.
To highlight endoscopic approaches for obesity, gastric cancer, and gastroparesis.

Main Methods:

Review of current literature on novel endoscopic gastric procedures.
Analysis of applications in weight loss, early cancer, and motility disorders.

Main Results:

Endoscopic sleeve gastroplasty shows promise as a weight loss procedure.
Endoscopic submucosal dissection offers a curative, organ-sparing option for early gastric cancer.
Gastric per-oral endoscopic myotomy provides a new treatment for refractory gastroparesis.

Conclusions:

Less invasive endoscopic techniques may supplant laparoscopic surgery in various gastric interventions.
These endoscopic procedures enhance access to bariatric care and offer novel therapeutic solutions for gastric diseases.