• Cover with cilia

• Double difference nucleus

Medically important parasite

balantidium coli

Balantidium coliBalantidium coli

�� Morphology:Morphology:

�� Shape:Shape: oval, oval, measuremeasure 5050--8080µµ long and 40long and 40--

6060µµ widewide

�� Inferior Inferior cytostomecytostome and posterior and posterior cytopygecytopyge

�� Double nucleusDouble nucleus (micro and macro nucleus)(micro and macro nucleus)

�� Cilia , vacuole and some RBCCilia , vacuole and some RBC

�� Cyst :Cyst : oval or circle. oval or circle.

Transmission Transmission

�� Natural host pigs Natural host pigs

�� Accidental host human.Accidental host human.

Pathogenesis Pathogenesis

�� Cases dysenteryCases dysentery

�� Use intestine Use intestine tissuetissue , , RBCRBC , and , and bacteria bacteria as a as a

foodfood

�� HyaluronidaseHyaluronidase

�� Mixture:Mixture: Appendicitis , liver and intestine Appendicitis , liver and intestine

abscessabscess , intestine , intestine ulcerulcer and it is and it is perforationperforation..

Life cycle Life cycle

Diagnosis Diagnosis

�� Detection of Detection of trophozoittrophozoit and and cysticcystic

form of parasites in form of parasites in stool.stool.

Trophozoite Trophozoite

Cyst Cyst

Treatment Treatment

�� Tetracycline HclTetracycline Hcl (500mg X 4) for 10 (500mg X 4) for 10

daysdays

�� IodoquinolIodoquinol (650mg X 3) for 21 days.(650mg X 3) for 21 days.