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Entamoeba histolytica

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Entamoeba histolytica Introduction Intestinal and luminal portozoa significant to human health include Entamoeba histolytica (Ameba); Balantidium coli (Ciliate ... – PowerPoint PPT presentation

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Title: Entamoeba histolytica


1
Entamoeba histolytica
2
Classification of Entamoeba histolytica Phylum
- Protozoa Class - Lobosea Order -
Amoebiae Family - Sarcodina Genus -
Entamoeba histolytica
3
Introduction
  • Intestinal and luminal portozoa significant to
    human health include Entamoeba histolytica
    (Ameba) Balantidium coli (Ciliate)
    Isosporabelli (Sporozoa).
  • 0.5-50 world wide , 1-3 in the USA. Infection
    is associated with poor hygiene . Humans are the
    princapal host although dogs, cats and rodents
    may be infected.

4
Morphology and life cycle
1-Trophozoite 2- PreCyst
3- Cyst 4- Metacyst
5
Pathogenesis
  • 1- Amoebic dysentry.
  • 2- Amebiasis.
  • 3- Ameborma.
  • 4- Amoebic hepatitis (liver abscesses).
  • 5- Pulmonary amebiasis (Lung abscesses).
  • 6- Brain abscesses.
  • 7- Cutanneaus amebiasis.
  • 8- Appendicitis.

6
Diagnosis Symptoms, history,
epidemiology. Laboratory By 1- Parasite is found
in stoole (Trophozoite). 2- Serodiagnosis. 3-
Cultiration of the organism. 4- Biopsy or
Aspiration by a hemagglutination b
complement fixsation
7
Treatment
  • 1- Metronidazole (flagyl)
  • (3 times 3 mg/kg) every day mouth (5-10) days
  • 2- emetin hydrochloride.
  • Diodoquine.
  • 3- Dehydrometin - dihydrochloride. After that
  • Titracyclen Cycle (5 days).
  • 4- Dilodohydroxy quine (650 mg 3times, 20
    days).
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