Difference between revisions of "Appendicitis"
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| Possibly '''parasitic''', or eosinophilic enteritis. | | Possibly '''parasitic''', or eosinophilic enteritis. | ||
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− | ! Chronic appendicitis<ref name="SierakowskiPattichis2016">{{cite journal|last1=Sierakowski|first1=Kyra|last2=Pattichis|first2=Andrew|last3=Russell|first3=Patrick|last4=Wattchow|first4=David|title=Unusual presentation of a familiar pathology: chronic appendicitis|journal=BMJ Case Reports|year=2016|pages=bcr2015212485|issn=1757-790X|doi=10.1136/bcr-2015-212485}}</ref> | + | ! [[Chronic appendicitis]]<ref name="SierakowskiPattichis2016">{{cite journal|last1=Sierakowski|first1=Kyra|last2=Pattichis|first2=Andrew|last3=Russell|first3=Patrick|last4=Wattchow|first4=David|title=Unusual presentation of a familiar pathology: chronic appendicitis|journal=BMJ Case Reports|year=2016|pages=bcr2015212485|issn=1757-790X|doi=10.1136/bcr-2015-212485}}</ref> |
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*Fibrosis | *Fibrosis |
Revision as of 17:40, 10 September 2020
Author:
Mikael Häggström [note 1]
Appendicitis may histopathologically be defined as neutrophilic infiltrates of the wall of the appendix in the correct clinical context.
See also: General notes on fixation
Contents
Comprehensiveness
Comprehensiveness
On this resource, the following formatting is used for comprehensiveness:
- Minimal depth
- (Moderate depth)
- ((Comprehensive))
Gross proccessing
Standard sections if the appendix appears inflamed and there are no signs of malignancy. Further information: Appendix
Microscopic evaluation
- Evaluate depth of the inflammation.
- Look for any perforation of the wall.
- Look for cancerous cells (which may have caused the appendicitis). Further information: Appendix
- (Attempt to specify the type of appendicitis as either of the following:)
Types
Pattern | Gross pathology | Light microscopy | Image | Clinical significance |
---|---|---|---|---|
Acute intraluminal inflammation | None visible |
|
Probably none | |
Acute mucosal inflammation | None visible |
|
May be secondary to enteritis. | |
Suppurative acute appendicitis | May be inapparent.
|
|
Can be presumed to be primary cause of symptoms | |
Gangrenous/necrotizing appendicitis |
|
|
Will perforate if untreated | |
Periappendicitis | May be inapparent.
|
|
If isolated, probably secondary to other disease | |
Eosinophilic appendicitis | None visible |
|
Possibly parasitic, or eosinophilic enteritis. | |
Chronic appendicitis[2] |
|
|
Should preferably correlate with long-term or recurrent symptoms. |
Microscopy report
Should include, if detected:
- Acute or chronic appendicitis
- Depth of inflammation
- Any abscess and\or perforation
- Necrosis and\or ulceration, at least if transmural
(Classification into one or several types as per table above.)
- Example
Acute appendicitis and periappendicitis with transmural necrosis
Notes
Main pageReferences
Image sources
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