Echinococcosis classification: Difference between revisions
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{{CMG}} '''Associate Editor-In-Chief:''' {{CZ}}; {{KD}} | {{CMG}} '''Associate Editor-In-Chief:''' {{CZ}}; {{KD}} | ||
==Overview== | ==Overview== | ||
[[Echinococcosis]] is classified based on the site of [[Infection (disambiguation)|infection]] and the type of [[Tapeworms|tapeworm]] causing the infection into [[cystic echinococcosis]] and [[alveolar echinococcosis]]. It can also be classified based on the [[ultrasound]] findings and appearance. | |||
==Classification== | ==Classification== | ||
*Based on | *Based on '''international classification of [[ultrasound]] images''' in [[cystic echinococcosis]] for application in clinical and field epidemiological settings [[cystic echinococcosis]] is classified into:<ref name="Working Group2003">{{cite journal|last1=Working Group|first1=WHO Informal|title=International classification of ultrasound images in cystic echinococcosis for application in clinical and field epidemiological settings|journal=Acta Tropica|volume=85|issue=2|year=2003|pages=253–261|issn=0001706X|doi=10.1016/S0001-706X(02)00223-1}}</ref> | ||
**Cystic echinococcosis cyst type 1 and 2 | **'''Cystic echinococcosis cyst type 1 and 2''' | ||
***Cysts are active fertile cysts and contain viable protoscoleces. | ***Cysts are active fertile cysts and contain viable protoscoleces. | ||
**Cystic echinococcosis type 3 | **'''Cystic echinococcosis type 3''' | ||
***Cysts in transitional stage, as a result of host immune response or therapy. | ***Cysts in transitional stage, as a result of host immune response or therapy. | ||
**Cystic echinococcosis cyst type 4 and 5 | **'''Cystic echinococcosis cyst type 4 and 5''' | ||
***Inactive cysts which have lost their fertility and are degenerative. | ***Inactive cysts which have lost their fertility and are degenerative. | ||
*Based on the site of infection, echinococcosis can be classified into: | *Based on the '''site of infection''', [[echinococcosis]] can be classified into: | ||
**'''Cystic echinococcosis:''' | **'''Cystic echinococcosis:''' | ||
***It is due to infection of the host by the larval stage of Echinococcus granulosus. It causes a chronic asymptomatic infection affecting the lungs and liver. Infection will lead to the formation of enlarging cysts in the liver and lungs. | ***It is due to infection of the host by the larval stage of [[Echinococcus granulosus]]. It causes a chronic asymptomatic infection affecting the [[lungs]] and [[liver]]. Infection will lead to the formation of enlarging cysts in the liver and lungs. | ||
**'''Alveolar echinococcosis:''' | **'''Alveolar echinococcosis:''' | ||
***It is due to the infection of the host by the larval stage of Echinococcus multilocularis. It is common in endemic areas and results in the formation of parasitic tumors in the liver, lungs and brain. | ***It is due to the infection of the host by the larval stage of [[Echinococcus multilocularis]]. It is common in [[Endemic (epidemiology)|endemic]] areas and results in the formation of [[parasitic]] tumors in the [[liver]], [[Lung|lungs]] and [[brain]]. | ||
== References == | == References == | ||
Revision as of 18:54, 24 July 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Kalsang Dolma, M.B.B.S.[3]
Overview
Echinococcosis is classified based on the site of infection and the type of tapeworm causing the infection into cystic echinococcosis and alveolar echinococcosis. It can also be classified based on the ultrasound findings and appearance.
Classification
- Based on international classification of ultrasound images in cystic echinococcosis for application in clinical and field epidemiological settings cystic echinococcosis is classified into:[1]
- Cystic echinococcosis cyst type 1 and 2
- Cysts are active fertile cysts and contain viable protoscoleces.
- Cystic echinococcosis type 3
- Cysts in transitional stage, as a result of host immune response or therapy.
- Cystic echinococcosis cyst type 4 and 5
- Inactive cysts which have lost their fertility and are degenerative.
- Cystic echinococcosis cyst type 1 and 2
- Based on the site of infection, echinococcosis can be classified into:
- Cystic echinococcosis:
- It is due to infection of the host by the larval stage of Echinococcus granulosus. It causes a chronic asymptomatic infection affecting the lungs and liver. Infection will lead to the formation of enlarging cysts in the liver and lungs.
- Alveolar echinococcosis:
- Cystic echinococcosis:
References
- ↑ Working Group, WHO Informal (2003). "International classification of ultrasound images in cystic echinococcosis for application in clinical and field epidemiological settings". Acta Tropica. 85 (2): 253–261. doi:10.1016/S0001-706X(02)00223-1. ISSN 0001-706X.