Difference between revisions of "Stomach"

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==Microscopic evaluation==
 
==Microscopic evaluation==
Generally screen for '''gastritis''':
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Generally screen for '''[[gastritis]]''', with neutrophils indicating acute gastritis and plasma cells indicating chronic gastritis.<ref name=PathologyOutlinesAcute>{{cite web|url=https://www.pathologyoutlines.com/topic/stomachacutegastritis.html|title=Stomach - Gastritis - Acute gastritis|author=Elliot Weisenberg|website=pathologyOutlines}} Topic Completed: 1 August 2012. Minor changes: 31 August 2020</ref><ref>{{cite web|url=https://www.pathologyoutlines.com/topic/stomachchronicgastritis.html|title=Stomach - Gastritis - Chronic gastritis|author=Elliot Weisenberg|website=PathologyOutlines}} Topic Completed: 1 August 2012. Minor changes: 31 August 2020</ref>
*'''Mild acute gastritis:'''<ref name=PathologyOutlinesAcute>{{cite web|url=https://www.pathologyoutlines.com/topic/stomachacutegastritis.html|title=Stomach - Gastritis - Acute gastritis|author=Elliot Weisenberg|website=pathologyOutlines}} Topic Completed: 1 August 2012. Minor changes: 31 August 2020</ref>
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:*Modest '''edema''' of lamina propria
 
:*'''Vascular congestion'''
 
:*Scattered '''neutrophils'''
 
:*Mucosal '''hemorrhage'''
 
:*Intact epithelium
 
*'''Moderate to severe acute gastritis''':<ref name=PathologyOutlinesAcute/>
 
:*'''Loss of superficial epithelium''' above the muscularis mucosa
 
:*'''Hemorrhage'''
 
:*Variable infiltrate with '''neutrophils'''
 
:*Fibrinopurulent luminal '''exudate'''
 
:*Nearby epithelium may show '''regenerative''' changes
 
*'''Chronic gastritis'''<ref>{{cite web|url=https://www.pathologyoutlines.com/topic/stomachchronicgastritis.html|title=Stomach - Gastritis - Chronic gastritis|author=Elliot Weisenberg|website=PathologyOutlines}} Topic Completed: 1 August 2012. Minor changes: 31 August 2020</ref>
 
:*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
 
 
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Revision as of 17:54, 28 September 2020

Author: Mikael Häggström [note 1]

Presentations

Microscopic evaluation

Generally screen for gastritis, with neutrophils indicating acute gastritis and plasma cells indicating chronic gastritis.[1][2]

Notes

  1. 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. Elliot Weisenberg. Stomach - Gastritis - Acute gastritis. pathologyOutlines. Topic Completed: 1 August 2012. Minor changes: 31 August 2020
  2. Elliot Weisenberg. Stomach - Gastritis - Chronic gastritis. PathologyOutlines. Topic Completed: 1 August 2012. Minor changes: 31 August 2020

Image sources