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Gastritis and carditis.

David A Owen1

  • 1University of British Columbia, Vancouver, British Columbia, Canada. dowen@vanhosp.bc.ca

Modern Pathology : an Official Journal of the United States and Canadian Academy of Pathology, Inc
|April 15, 2003
PubMed
Summary

Dyspepsia investigation often involves gastroscopy, but findings can be misleading. Biopsies are crucial for accurate diagnosis of gastritis and Helicobacter pylori infection, guiding treatment for ulcers and cancer risks.

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Area of Science:

  • Gastroenterology
  • Pathology
  • Oncology

Background:

  • Dyspepsia is a prevalent clinical issue with diverse causes, including peptic ulcer disease, gastroesophageal reflux, and functional dyspepsia.
  • Clinical pain descriptions lack reliability in differentiating dyspepsia causes, leading to frequent gastroscopies (80% for dyspepsia).
  • Endoscopic "gastritis" diagnosis is common (59%), yet severe changes are rare (3%), with weak correlation to histologic findings (62-73% abnormalities).

Purpose of the Study:

  • To emphasize the necessity of biopsy alongside endoscopy for accurate gastric pathology diagnosis.
  • To highlight the link between Helicobacter pylori infection, gastritis progression, and associated diseases.
  • To differentiate various forms of gastritis and their clinical implications.

Main Methods:

  • Systematic gastric biopsies including antrum and corpus sampling during endoscopy.
  • Histopathologic examination of biopsy specimens.
  • Review of current evidence linking Helicobacter pylori infection to gastritis progression and sequelae.

Main Results:

  • Histologic abnormalities are frequent (62-73%) even when endoscopic findings are minimal.
  • Helicobacter pylori infection progresses from superficial gastritis to atrophic gastritis with intestinal metaplasia, increasing risks.
  • Persistent superficial gastritis is linked to duodenal ulcers and MALT lymphoma; atrophic gastritis to gastric ulcers and adenocarcinoma.
  • Reactive gastropathy is common, associated with duodenal reflux or NSAID use.
  • Distinct entities include lymphocytic gastritis, eosinophilic gastritis, and gastritis associated with Crohn's disease.

Conclusions:

  • Endoscopic examination for dyspepsia must include systematic biopsies for accurate diagnosis.
  • Helicobacter pylori infection is a key factor in gastritis progression, predisposing to ulcers, lymphoma, and adenocarcinoma.
  • Understanding different gastritis types and their associations is vital for patient management.

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