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Related Concept Videos

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,...
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 III: Clinical Manifestations and Management01:23

Gastritis III: Clinical Manifestations and Management

The clinical manifestations of gastritis can vary depending on the cause and type of gastritis, but some common symptoms may include the following.
Clinical manifestations of acute gastritis
The patient with acute gastritis may have a rapid onset of symptoms, such as epigastric pain or discomfort, dyspepsia, anorexia, hiccups, or nausea and vomiting, which can last from a few hours to a few days. Erosive or hemorrhagic gastritis may cause bleeding, which may manifest as blood in vomit or as...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
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...
Peptic Ulcer Disease II: Pathophysiology01:24

Peptic Ulcer Disease II: Pathophysiology

Peptic ulcer disease develops when protective mechanisms of the gastrointestinal mucosa are overwhelmed by harmful factors, leading to localized erosions in the stomach or proximal duodenum. The main causes are Helicobacter pylori infection and chronic use of nonsteroidal anti-inflammatory drugs (NSAIDs).Helicobacter pylori–Induced InjuryBacterial Adaptation and Colonization:H. pylori is a spiral, Gram-negative bacterium adapted to the acidic stomach. and transmitted through oral-oral or...

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Related Experiment Video

Updated: Jul 29, 2026

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

Gastritis: classification, pathology, and radiology.

M Y Chen1, D J Ott, H P Clark

  • 1Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, NC 27157-1088, USA.

Southern Medical Journal
|March 10, 2001
PubMed
Summary

This study presents a simplified radiologic approach to diagnosing gastritis, aligning with the revised Sydney classification. It highlights gastritis types detectable via imaging, aiding clinical diagnosis.

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Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
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Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia

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Last Updated: Jul 29, 2026

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

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
03:05

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia

Published on: February 16, 2024

Area of Science:

  • Gastroenterology
  • Radiology
  • Pathology

Background:

  • Gastritis presents a diverse range of pathological features, anatomical distributions, and causative factors.
  • The Sydney classification (1990, revised 1994) established criteria for diagnosing gastritis based on etiology, topography, and morphology.
  • Accurate gastritis diagnosis is crucial for effective patient management.

Purpose of the Study:

  • To introduce a simplified and practical radiologic method for gastritis diagnosis.
  • To correlate radiologic findings with the revised Sydney pathologic classification.
  • To identify and illustrate gastritis types amenable to radiologic detection.

Main Methods:

  • Review of radiologic examinations for patients with gastritis.
  • Application of the revised Sydney pathologic classification criteria.
  • Correlation of imaging findings with pathologic diagnoses.

Main Results:

  • Demonstration of characteristic radiologic findings for various gastritis types.
  • Validation of a practical radiologic approach for gastritis assessment.
  • Identification of key imaging features aiding differential diagnosis.

Conclusions:

  • A simplified radiologic approach can effectively aid in gastritis diagnosis.
  • Radiologic findings, interpreted within the Sydney classification framework, offer valuable diagnostic information.
  • This approach enhances the clinical utility of imaging in managing gastritis.