Entamoeba histolytica

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Entamoeba histolytica
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Classification of Entamoeba histolytica Phylum
- Protozoa Class - Lobosea Order -
Amoebiae Family - Sarcodina Genus -
Entamoeba histolytica
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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.

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Morphology and life cycle
1-Trophozoite 2- PreCyst
3- Cyst 4- Metacyst
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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.

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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
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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).