Amoebiasis: Difference between revisions

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Latest revision as of 16:36, 18 September 2017

This page is about clinical aspects of the disease. For microbiologic aspects of the causative organism(s), see Entamoeba histolytica.

For patient information click here
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Jesus Rosario Hernandez, M.D. [2], Tamar Sifri [3]
Synonyms and keywords: Entamoebiasis; Amebiasis

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Amoebiasis from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | Imaging

Treatment

Medical Therapy | Surgery | Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1

Template:Protozoal diseases

Template:WikiDoc Sources

@@ Line 1: / Line 1: @@
 __NOTOC__
+{{Amoebiasis}}
 {{About1|Entamoeba histolytica}}
-'''For   patient  information click [[{{PAGENAME}}   (patient information)|here]]'''
+'''For   patient  information click [[{{PAGENAME}}   (patient information)|here]]'''<br>
-{{Infobox_Disease |
+{{CMG}}; {{AE}} {{JH}}, {{Tamar}}<br>
-  Name           = {{PAGENAME}} |
+{{SK}} Entamoebiasis; Amebiasis
-  Image          = |
-  Caption        = |
-  DiseasesDB     = 4304|
-  ICD10 = {{ICD10|A|06||a|00}} |
-  ICD9 = {{ICD9|006}} |
-  ICDO           = |
-  OMIM           = |
-  MedlinePlus    = |
-  MeshID         = D000562 |
-}}
-{{Amoebiasis}}{{CMG}}; {{AE}} {{JH}}, {{Tamar}}
-'''
-{{SK}} Entamoebiasis
 ==[[Amoebiasis overview|Overview]]==
 ==[[Amoebiasis historical perspective|Historical Perspective]]==
+==[[Amoebiasis classification|Classification]]==
 ==[[Amoebiasis pathophysiology|Pathophysiology]]==
@@ Line 33: / Line 23: @@
 ==Diagnosis==
-[[Amoebiasis history and symptoms|History and Symptoms]] | [[Amoebiasis physical examination|Physical Examination]] | [[Amoebiasis laboratory tests|Laboratory Findings]] | [[Amoebiasis chest x ray|Chest X Ray]] | [[Amoebiasis CT|CT]] | [[Amoebiasis echocardiography or ultrasound| Ultrasound]] | [[Amoebiasis other diagnostic studies|Other Diagnostic Studies]]
+[[Amoebiasis history and symptoms|History and Symptoms]] | [[Amoebiasis physical examination|Physical Examination]] | [[Amoebiasis laboratory tests|Laboratory Findings]] | [[Amoebiasis imaging|Imaging]]
 ==Treatment==
-[[Amoebiasis medical therapy|Medical Therapy]] | [[Amoebiasis surgery|Surgery]] | [[Amoebiasis primary prevention|Primary Prevention]] | [[Amoebiasis secondary prevention|Secondary Prevention]] | [[Amoebiasis cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Amoebiasis future or investigational therapies|Future or Investigational Therapies]]
+[[Amoebiasis medical therapy|Medical Therapy]] | [[Amoebiasis surgery|Surgery]] | [[Amoebiasis prevention|Prevention]] | [[Amoebiasis cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Amoebiasis future or investigational therapies|Future or Investigational Therapies]]
 ==Case Studies==
 [[Amoebiasis case study one|Case #1]]
-==Life Cycle==
-Cysts and trophozoites are passed in feces (1). Cysts are typically found in formed stool, whereas trophozoites are typically found in diarrheal stool. Infection by Entamoeba histolytica occurs by ingestion of mature cysts (2) in fecally contaminated food, water, or hands.  Excystation (3) occurs in the small intestine and trophozoites  (4) are released, which migrate to the large intestine. The trophozoites multiply by binary fission and produce cysts (5), and both stages are passed in the feces (1). Because of the protection conferred by their walls, the cysts can survive days to weeks in the external environment and are responsible for transmission. Trophozoites passed in the stool are rapidly destroyed once outside the body, and if ingested would not survive exposure to the gastric environment. In many cases, the trophozoites remain confined to the intestinal lumen (A: noninvasive infection) of individuals who are asymptomatic carriers, passing cysts in their stool.  In some patients the trophozoites invade the intestinal mucosa (B: intestinal disease), or, through the bloodstream, extraintestinal sites such as the liver, brain, and lungs (C: extraintestinal disease), with resultant pathologic manifestations. It has been established that the invasive and noninvasive forms represent two separate species, respectively E. histolytica and E. dispar. These two species are morphologically indistinguishable unless E. histolytica is observed with ingested red blood cells (erythrophagocystosis).  Transmission can also occur through exposure to fecal matter during sexual contact (in which case not only cysts, but also trophozoites could prove infective).
-<gallery widths=200px>
-Amebiasis_LifeCycle.gif | Life cycle of Amebiasis <br> [http://phil.cdc.gov/Phil/ <font size="-2">''Adapted from CDC''</font>]
-</gallery>
 {{Protozoal diseases}}
-[[de:Amöbenruhr]]
-[[fr:Amabiase]]
-[[nl:Amoebiasis]]
-[[ja:アメーバ赤痢]]
-[[Category:Mature chapter]]
 [[Category:Parasitic diseases]]
 [[Category:Water-borne diseases]]
-[[Category:Infectious disease]]
 [[Category:Mature chapter]]
-[[pl:Czerwonka amebowa]]
 {{WikiDoc Help Menu}}
 {{WikiDoc Sources}}

Amoebiasis: Difference between revisions

Latest revision as of 16:36, 18 September 2017

Diagnosis

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