The Microscopic Diagnosis of Malaria

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Plasmodium falciparum Trophozoites, Thin Film

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thin film Plasmodium falciparum trophozoites blue stain with accolé

The red blood cells in this image are more blue than you have seen before.   This is the color seen in most laboratories because the buffer, or the stain, is usually too alkaline. Still, this does not prevent diagnosis.

 

A binucleate trophozoite and an accolé trophozoite are shown. Adherent trophozoites are sometimes mistaken for artifacts.

B

B

binucleate trophozoites with double chromatin dots

A

A

A

peripheral (accolé) trophozoites