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Related Concept Videos

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...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
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...
Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
Gastritis-I: Introduction and Types01:27

Gastritis-I: Introduction and Types

Gastritis, defined by the inflammation or irritation of the stomach lining or gastric mucosa, manifests in several distinct forms: acute, chronic, reactive, and a specific subtype known as autoimmune metaplastic atrophic gastritis.
Acute gastritis presents as a sudden inflammation triggered by various stressors to the stomach lining, such as exposure to corrosive agents, local irritants like aspirin and other NSAIDs, alcohol consumption, radiation therapy, physical trauma, severe burns, sepsis,...

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Related Experiment Video

Updated: Jul 6, 2026

Establishment and Characterization of Patient-derived Gastric Organoids from Biopsies of Benign Gastric Body and Antral Epithelium
08:45

Establishment and Characterization of Patient-derived Gastric Organoids from Biopsies of Benign Gastric Body and Antral Epithelium

Published on: January 26, 2024

Extraintestinal heterotopic gastric tissue simulating acute appendicitis.

Elizabeth Bender1, Steven-P Schmidt

  • 1Department of Surgery, Summa Health System, Akron, Ohio 44304, USA.

World Journal of Gastroenterology
|April 15, 2008
PubMed
Summary

A case of inflamed heterotopic gastric tissue mimicking appendicitis in an otherwise healthy male is presented. This finding, though rare, highlights the importance of considering unusual causes for appendicitis-like symptoms.

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Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation
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Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation

Published on: September 22, 2023

Related Experiment Videos

Last Updated: Jul 6, 2026

Establishment and Characterization of Patient-derived Gastric Organoids from Biopsies of Benign Gastric Body and Antral Epithelium
08:45

Establishment and Characterization of Patient-derived Gastric Organoids from Biopsies of Benign Gastric Body and Antral Epithelium

Published on: January 26, 2024

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation
05:50

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation

Published on: September 22, 2023

Area of Science:

  • Gastroenterology
  • Surgical Pathology

Background:

  • Appendicitis is a common surgical emergency.
  • Heterotopic gastric tissue is gastric tissue found outside the stomach, a known congenital anomaly.

Observation:

  • A 68-year-old male presented with symptoms suggestive of acute appendicitis.
  • Exploratory surgery found a normal appendix but an enlarged, lymph node-like mass in the ileocecal mesentery.

Findings:

  • The resected mass was identified as inflamed heterotopic gastric tissue.
  • This represents a rare cause of appendicitis-like presentation.

Implications:

  • This case expands the differential diagnosis for acute abdominal pain presenting as appendicitis.
  • Highlights the need for thorough pathological examination in atypical surgical cases.