Appendicitis classification: Difference between revisions
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{{Template:appendicitis}} | {{Template:appendicitis}} | ||
{{CMG}} {{AE}} {{CP}} | {{CMG}}; {{AE}} {{CP}} | ||
==Overview== | ==Overview== | ||
Appendicitis may be classified at three levels. As appendicitis often results from appendiceal [[obstruction]] leading to [[necrosis]] and [[infection]], it may be classified based on the cause of the the obstruction. It also can be classified based on the [[organism]] causing this infection, or on whether it is perforating or non-perforating. | Appendicitis may be classified at three levels. As appendicitis often results from appendiceal [[obstruction]] leading to [[necrosis]] and [[infection]], it may be classified based on the cause of the the obstruction. It also can be classified based on the [[organism]] causing this infection, or on whether it is perforating or non-perforating. | ||
==Classification== | |||
== | ===Based on Type of Obstruction=== | ||
*Infectious processes | *Infectious processes | ||
*[[Fibrosis]] - such as due to scar tissue from a previous surgery. | *[[Fibrosis]] - such as due to scar tissue from a previous surgery. | ||
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*Lymphoid [[hyperplasia]] | *Lymphoid [[hyperplasia]] | ||
== | ===Based on Perforation=== | ||
* Perforating - increases in incidence with age <ref name="pmid2784936">{{cite journal |author=Luckmann R |title=Incidence and case fatality rates for acute appendicitis in California. A population-based study of the effects of age |journal=Am. J. Epidemiol. |volume=129 |issue=5 |pages=905–18 |year=1989 |month=May |pmid=2784936 |doi= |url=}}</ref>, and associated with the following types of bacterial infiltration: | * Perforating - increases in incidence with age <ref name="pmid2784936">{{cite journal |author=Luckmann R |title=Incidence and case fatality rates for acute appendicitis in California. A population-based study of the effects of age |journal=Am. J. Epidemiol. |volume=129 |issue=5 |pages=905–18 |year=1989 |month=May |pmid=2784936 |doi= |url=}}</ref>, and associated with the following types of bacterial infiltration: | ||
**[[Escherichia coli]] | **[[Escherichia coli]] | ||
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==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
[[Category:Primary care]] | |||
[[Category:emergency medicine]] | |||
[[Category:Inflammations]] | |||
[[Category:Medical emergencies]] | |||
[[Category:General surgery]] | |||
[[Category:Gastroenterology]] | |||
[[Category:Disease]] | |||
{{WH}} | |||
{{WS}} | |||
Revision as of 19:18, 6 February 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2]
Overview
Appendicitis may be classified at three levels. As appendicitis often results from appendiceal obstruction leading to necrosis and infection, it may be classified based on the cause of the the obstruction. It also can be classified based on the organism causing this infection, or on whether it is perforating or non-perforating.
Classification
Based on Type of Obstruction
- Infectious processes
- Fibrosis - such as due to scar tissue from a previous surgery.
- Fecaliths - hard fecal masses.
- Neoplasia - carcinoid, adenocarcinoma, or mucocoele.
- Parasites - in endemic areas.
- Calculi
- Lymphoid hyperplasia
Based on Perforation
- Perforating - increases in incidence with age [1], and associated with the following types of bacterial infiltration:
- Escherichia coli
- Peptostreptococcus
- Bacteroides fragilis
- Pseudomonas species
- Non-perforating