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Related Concept Videos

Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
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...
Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
Peptic Ulcer Disease V: Surgical Management and Nursing Care01:25

Peptic Ulcer Disease V: Surgical Management and Nursing Care

Surgical management and nursing care are crucial in treating Peptic Ulcer Disease (PUD). Here is an organized and enhanced overview of the surgical interventions and the associated nursing care for PUD:
Surgical Interventions for Peptic Ulcer Disease
Gastritis II: Pathophysiology01:26

Gastritis II: Pathophysiology

The pathophysiology of gastritis begins with the colonization of the stomach lining by Helicobacter pylori (H. pylori). This bacterium spreads mainly via the oral-oral route through saliva or shared utensils, and can also be transmitted in overcrowded or unhygienic environments through contaminated water, despite its brief survival outside the body.ColonizationOnce ingested, H. pylori enters the stomach and begins colonization by navigating through the mucus layer lining the stomach wall. It...
Pyloric Obstruction01:11

Pyloric Obstruction

Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...

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Related Experiment Video

Updated: Jun 18, 2026

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
09:04

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas

Published on: September 5, 2011

[Hypertrophic pyloric stenosis in twins].

B Zajadacz1, A Baraniak, A Juszkiewicz

  • 1Oddziału Dzieciecego Wojewódzkiego Szpitala w Gorzowie Wielkopolskim.

Wiadomosci Lekarskie (Warsaw, Poland : 1960)
|April 4, 2000
PubMed
Summary
This summary is machine-generated.

Pyloric stenosis in twins presents a complex genetic puzzle. Familial occurrence in twins supports a multifactorial inheritance pattern for this infant condition.

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Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
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Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye
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Area of Science:

  • Pediatric Gastroenterology
  • Medical Genetics

Context:

  • Pyloric stenosis is a congenital condition affecting infants.
  • Understanding the etiology of pyloric stenosis is crucial for genetic counseling and risk assessment.

Purpose:

  • To describe two cases of pyloric stenosis occurring in twins.
  • To discuss the potential genetic and environmental factors contributing to the development of pyloric stenosis.

Summary:

  • Two cases of infantile hypertrophic pyloric stenosis (IHPS) in twins are presented.
  • The familial occurrence in twins suggests a significant genetic component, supporting a multifactorial inheritance model for IHPS.
  • The precise etiology remains challenging to elucidate, highlighting the need for further research into genetic predispositions and environmental influences.

Impact:

  • These cases contribute to the understanding of the genetic basis of pyloric stenosis.
  • Provides insights into the complex inheritance patterns of this common infant condition.
  • May inform future research directions for identifying specific genetic markers and risk factors.