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Related Concept Videos

Diverticular Disease of the Colon01:27

Diverticular Disease of the Colon

Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
Blood Supply to the Digestive System01:16

Blood Supply to the Digestive System

Splanchnic circulation refers to the network of blood vessels that supply and drain blood from the abdominal organs involved in digestion, including the stomach, liver, pancreas, intestines, and spleen. This circulation delivers essential nutrients and oxygen while removing waste products from these organs.
Blood Supply to the Digestive System: The splanchnic circulation involves three main arteries: the celiac artery (also known as the celiac trunk) and the superior and inferior mesenteric...
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...

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Related Experiment Video

Updated: May 7, 2026

Three-Dimensional Printing of a Complex Aortic Anomaly
03:40

Three-Dimensional Printing of a Complex Aortic Anomaly

Published on: November 1, 2018

Zenker's Diverticulum.

Ryan Law1, David A Katzka1, Todd H Baron1

  • 1Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.

Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association
|September 24, 2013
PubMed
Summary
This summary is machine-generated.

Zenker's diverticulum (ZD) is a rare esophageal disorder causing dysphagia. Flexible endoscopy offers a minimally invasive treatment option for ZD, with recent advancements driving its resurgence in clinical practice.

Keywords:
DysphagiaFlexible Endoscopic DiverticulotomyZenker's Diverticulum

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Last Updated: May 7, 2026

Three-Dimensional Printing of a Complex Aortic Anomaly
03:40

Three-Dimensional Printing of a Complex Aortic Anomaly

Published on: November 1, 2018

Area of Science:

  • Gastroenterology
  • Otolaryngology
  • Surgical Endoscopy

Background:

  • Zenker's diverticulum (ZD) is an outpouching in the Killian triangle, often linked to cricopharyngeal muscle dysfunction.
  • Predominant symptoms include dysphagia and risk of pulmonary aspiration, particularly in the elderly.
  • Videofluoroscopy is the standard diagnostic tool for ZD.

Purpose of the Study:

  • To review the pathophysiology and management of Zenker's diverticulum.
  • To emphasize the role and recent advancements in flexible endoscopic therapy for ZD.
  • To compare transoral endoscopic techniques for ZD treatment.

Main Methods:

  • Review of pathophysiology and management strategies for Zenker's diverticulum.
  • Emphasis on transoral endoscopic techniques, including rigid and flexible endoscopy.
  • Discussion of the evolution from open surgery to minimally invasive endoscopic approaches.

Main Results:

  • Transoral endoscopic therapy, using either rigid or flexible instruments, aims to sever the septum between the esophagus and the diverticulum.
  • Flexible endoscopic therapy has seen a resurgence due to advancements in therapeutic endoscopy.
  • Direct comparative studies between rigid and flexible endoscopic approaches are limited.

Conclusions:

  • Flexible endoscopic therapy is a viable and increasingly utilized treatment for symptomatic Zenker's diverticulum.
  • Both rigid and flexible endoscopic techniques offer advantages and disadvantages.
  • Further research comparing the efficacy and safety of rigid versus flexible endoscopic ZD treatment is warranted.