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Typical features are:
- Smooth muscle hypertrophy in the muscularis
- Mild inflammatory infiltrates
- Rokitansky-Aschoff sinuses
Other findings favoring the diagnosis are:
- 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.
- Hanni Gulwani. Gallbladder - Cholecystitis - Chronic cholecystitis. Topic Completed: 1 September 2012. Revised: 9 January 2020