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Overview of Gastric Pathology: Non-Neoplastic Diseases

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Working Classification <strong>of</strong> Gastritis<br />

• Acute (erosive, hemorrhagic)<br />

• Chronic:<br />

– H. pylori gastritis<br />

– Atrophic gastritis<br />

• Type A or autoimmune or diffuse body<br />

• Type B or multi-focal or environmental<br />

– Eosinophilic gastritis (gastroenteritis)<br />

– Lymphocytic gastritis<br />

– Granulomatous gastritis<br />

• Infections<br />

• Chemical “gastropathies”<br />

• Bile reflux<br />

• NSAIDS<br />

• Alcohol

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