Amoebiasis

Presentation

Appropriate Tests

Diarrhoea

Ova cysts parasites faeces; microscopy for Entamoeba histolytica trophozoites and cysts.

Mucosal scrapings are a suitable alternative specimen.

Specimen should be freshly collected and still warm if trophozoites are to be detected.

Colitis

Colorectal biopsy.

Liver abscess

Entamoeba histolytica antibodies (Entamoeba Ab).

See also Abscess.