Appendicitis classification: Difference between revisions
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==Classification== | ==Classification== | ||
===Based on | ===Based on cause of Obstruction=== | ||
Appendicitis may be classified based on the cause of obstruction into:<ref>{{Citation | |||
| last1 = Yelon | | last1 = Yelon | ||
| first1 = Jay A. | | first1 = Jay A. | ||
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}}</ref> | }}</ref> | ||
*Infectious | *Infectious appendicitis - Obstruction of appendicial lumen is due to infectious inflammtion. | ||
*[[Fibrosis]] - | *[[Fibrosis]] appendicitis- Scar tissue from a previous surgery can lead to obstruction. | ||
*[[Fecaloma|Fecaliths]] - hard fecal masses | *[[Fecaloma|Fecaliths]] appendicitis - hard fecal masses block the outlet of appendix | ||
*[[ | *[[Neoplasic]] appendicitis - carcinoid, adenocarcinoma, or mucocele is responsible for increased secretions resulting in blockage. | ||
*[[ | *[[Parasitic]] appendicitis- In endemic areas obstruction of the appendicial lumen is due to parasitic load. | ||
*[[ | *[[Calculic]] appendicitis | ||
*Lymphoid [[ | *Lymphoid [[hyperplasic]] appendicitis Obstruction of lumen due cell hyperplasia. | ||
===Based on Perforation=== | ===Based on Perforation=== | ||
Revision as of 17:57, 28 December 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Farwa Haideri [2]
Overview
Appendicitis is a condition characterized by inflammation of the appendix. It can be classified into several subtypes based on perforation and the type of obstruction.
Classification
Based on cause of Obstruction
Appendicitis may be classified based on the cause of obstruction into:[1]
- Infectious appendicitis - Obstruction of appendicial lumen is due to infectious inflammtion.
- Fibrosis appendicitis- Scar tissue from a previous surgery can lead to obstruction.
- Fecaliths appendicitis - hard fecal masses block the outlet of appendix
- Neoplasic appendicitis - carcinoid, adenocarcinoma, or mucocele is responsible for increased secretions resulting in blockage.
- Parasitic appendicitis- In endemic areas obstruction of the appendicial lumen is due to parasitic load.
- Calculic appendicitis
- Lymphoid hyperplasic appendicitis Obstruction of lumen due cell hyperplasia.
Based on Perforation
Classifications can also be based on perforations or non-perforations.
- Perforating - increases in incidence with age and is associated with the following types of bacterial infiltration:[2]
- Escherichia coli
- Peptostreptococcus
- Bacteroides fragilis
- Pseudomonas species
- Non-perforating
References
- ↑ Yelon, Jay A. & Luchette, Fred A. (2014), Geriatric Trauma and Critical Care (1st ed.), New York, New York: Springer
- ↑ Luckmann R (1989). "Incidence and case fatality rates for acute appendicitis in California. A population-based study of the effects of age". Am. J. Epidemiol. 129 (5): 905–18. PMID 2784936. Unknown parameter
|month=ignored (help)