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The Microscopic Diagnosis of Malaria

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Course Introduction   |   Overview   |   Plasmodium falciparum   |   Plasmodium vivax

Plasmodium ovale   |   Plasmodium malariae   |   Other infections   |   Tests

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EXIT COURSE

Lesson 5 Plasmodium malariae Trophozoites, Thin Film

 

1. Infected cells are normal or slightly smaller in size, occasionally with Ziemanns stippling in trophozoite-infected RBCs.

 

2. Ring trophozoites have a single nucleus with denser cytoplasm and smaller vacuoles than P. vivax; binucleate trophozoites are occasional.

 

3. Trophozoites may form bands without vacuoles and with peripheral coarse chromatin and black or greenish-brown pigment.

 

4.   Basket-form trophozoites with eccentric circular vacuoles are seen more often in P. malariae than in other species.

Summary of Characteristics