Balantiasis — photos

Symptoms and syndromes in photos

Main » Infectious diseases » Infections Acquired through the Gastro-intestinal Tract » Balantiasis

Balantidium coli is a common commensal of the large intestine of wild and domestic pigs, but is pathogenic to man and other primates in which it causes severe diarrhoea. Active trophozoites and cysts are readily seen in fresh faecal specimens.

Balantidium coli.

Photo 1.  Balantidium coli. Living trophozoite in gut of pig. (x 350)

Section of intestine.

Photo 2.  Section of intestine. Extensive ulceration of the colon and rectum may occur in severe cases. B. coli trophozoites are seen infiltrating the submucosa in this section of human colon. (x 90)

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