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Related Concept Videos

Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

36
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:
36
Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

40
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...
40
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

31
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...
31
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

51
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,...
51
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

34
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:
34
Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding01:15

Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding

48
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...
48

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Updated: May 12, 2025

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Percutaneous Transgastric Endoscopic Interventions.

Neil K Jain1, Aazrin Mir2, Nariman Nezami1,3

  • 1Division of Vascular and Interventional Radiology, MedStar Georgetown University Hospital, Washington, District of Columbia.

Seminars in Interventional Radiology
|May 9, 2025
PubMed
Summary
This summary is machine-generated.

Percutaneous endoscopy, including transgastric endoscopy, offers a minimally invasive approach for gastrointestinal and hepatobiliary diseases. This technique shows promise in treating conditions like choledocholithiasis and pancreatic leaks, especially for patients unsuitable for traditional procedures.

Keywords:
cholangioscopyinterventional endoscopyinterventional radiologytransgastric endoscopy

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Area of Science:

  • Interventional Radiology
  • Gastroenterology
  • Hepatobiliary Surgery

Background:

  • Gastrointestinal and hepatobiliary diseases require management by specialists like gastroenterologists, surgeons, and interventional radiologists.
  • Percutaneous endoscopy, particularly transgastric endoscopy, leverages fluoroscopic guidance and direct visualization for internal treatments.
  • Transgastric endoscopy is a viable option for patients with existing gastrostomy access or those ineligible for surgery or standard esophagogastroduodenoscopy.

Purpose of the Study:

  • To explore the potential of percutaneous endoscopy, specifically transgastric endoscopy, within interventional radiology.
  • To highlight the applications and benefits of transgastric endoscopy in managing complex gastrointestinal and hepatobiliary conditions.

Main Methods:

  • Utilizing percutaneous endoscopic techniques, including transgastric endoscopy, under fluoroscopic guidance.
  • Direct visualization of internal gastrointestinal and hepatobiliary structures for diagnosis and treatment.

Main Results:

  • Successful treatment of choledocholithiasis (bile duct stones) using transgastric endoscopy.
  • Effective management of duodenal collections and pancreatic leaks through percutaneous endoscopic interventions.
  • Demonstrated success in foreign body removal from the gastrointestinal tract via transgastric endoscopy.

Conclusions:

  • Percutaneous endoscopy, especially transgastric endoscopy, presents a valuable tool in interventional radiology for managing challenging gastrointestinal and hepatobiliary diseases.
  • This approach offers personalized treatment options for patients who have not responded to or are unsuitable for conventional therapies.
  • Further research may integrate percutaneous endoscopy as a standard procedure within interventional radiology practice.