Difference between revisions of "Cholecystitis"

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m (Mikael Häggström moved page Chronic cholecystitis to Cholecystitis: Generalized)
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Chronic inflammation of the '''[[gallbladder]]''':
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Inflammation of the '''[[gallbladder]]''':
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==Gross processing==
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As per basic '''[[Gallbladder]]'''.
  
 
==Microscopic evaluation==
 
==Microscopic evaluation==
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===Findings in '''acute''' cholecystisis===
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*Initially edema, congestion, hemorrhage, fibrin deposition in and around muscular layer
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*Later mucosal and mural necrosis with neutrophils
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*Variable reactive epithelial changes resembling dysplasia
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*Finally myofibroblastic proliferation with chronic inflammatory infiltrate
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*Also fresh thrombi within small veins
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===Findings in '''chronic''' cholecystitis===
 
[[File:Gallbladder- Rokitansky-Aschoff Sinus (15144904071).jpg|thumb|Rokitansky-Aschoff sinus.]]
 
[[File:Gallbladder- Rokitansky-Aschoff Sinus (15144904071).jpg|thumb|Rokitansky-Aschoff sinus.]]
 
Typical features are:<ref name=Gulwani2020>{{cite web|url=https://www.pathologyoutlines.com/topic/gallbladderchroniccholecystitis.html|title=Gallbladder - Cholecystitis - Chronic cholecystitis|author=Hanni Gulwani}} Topic Completed: 1 September 2012. Revised: 9 January 2020</ref>
 
Typical features are:<ref name=Gulwani2020>{{cite web|url=https://www.pathologyoutlines.com/topic/gallbladderchroniccholecystitis.html|title=Gallbladder - Cholecystitis - Chronic cholecystitis|author=Hanni Gulwani}} Topic Completed: 1 September 2012. Revised: 9 January 2020</ref>

Revision as of 15:48, 13 August 2020

Author: Mikael Häggström [note 1]
Inflammation of the gallbladder:

Gross processing

As per basic Gallbladder.

Microscopic evaluation

Findings in acute cholecystisis

  • Initially edema, congestion, hemorrhage, fibrin deposition in and around muscular layer
  • Later mucosal and mural necrosis with neutrophils
  • Variable reactive epithelial changes resembling dysplasia
  • Finally myofibroblastic proliferation with chronic inflammatory infiltrate
  • Also fresh thrombi within small veins

Findings in chronic cholecystitis

Rokitansky-Aschoff sinus.

Typical features are:[1]

  • Smooth muscle hypertrophy in the muscularis
  • Mild inflammatory infiltrates
  • Rokitansky-Aschoff sinuses

Other findings favoring the diagnosis are:[1]

  • Granulomas (from ruptured Rokitansky-Aschoff sinuses) strogly favor the diagnosis.
  • Hyalinized collagen
  • Dystrophic calcification
  • Lymphoid aggregates
  • Atrophic and/or ulcerated mucosa
  • Metaplastic changes, such as gastric or intestinal mucosa

For a general gallbladder screening, see gallbladder.

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. 1.0 1.1 Hanni Gulwani. Gallbladder - Cholecystitis - Chronic cholecystitis. Topic Completed: 1 September 2012. Revised: 9 January 2020

Image sources