Difference between revisions of "Stomach"
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==Microscopic evaluation== | ==Microscopic evaluation== | ||
Generally screen for '''gastritis''': | Generally screen for '''gastritis''': | ||
Revision as of 17:47, 28 September 2020
Author:
Mikael Häggström [note 1]
Presentations
Microscopic evaluation
Generally screen for gastritis:
- Mild acute gastritis:[1]
- Modest edema of lamina propria
- Vascular congestion
- Scattered neutrophils
- Mucosal hemorrhage
- Intact epithelium
- Moderate to severe acute gastritis:[1]
- Loss of superficial epithelium above the muscularis mucosa
- Hemorrhage
- Variable infiltrate with neutrophils
- Fibrinopurulent luminal exudate
- Nearby epithelium may show regenerative changes
- Chronic gastritis[2]
- Presence of plasma cells, lymphocytes, and occasionally lymphoid follicles
- Eosinophils and neutrophils may be present
- Reduced mucin in the cytoplasm
- Enlargement of nuclei and nucleoi
- Subnuclear vacuolation in antral glands or pits (which is PAS negative)
- Intestinal metaplasia: with partial replacement of the mucosa of the antrum and body with metaplastic goblet cells of intestinal morphology, absorptive cells and Paneth cells
Notes
- ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Patholines:Authorship for details.
Main page
References
- ↑ 1.0 1.1 Elliot Weisenberg. Stomach - Gastritis - Acute gastritis. pathologyOutlines. Topic Completed: 1 August 2012. Minor changes: 31 August 2020
- ↑ Elliot Weisenberg. Stomach - Gastritis - Chronic gastritis. PathologyOutlines. Topic Completed: 1 August 2012. Minor changes: 31 August 2020
Image sources
