Sunday, February 1, 2015

Answer to Case 335

Answer:  Plasmodium malariae

As noted by Florida Fan and Arthur, this case can be identified by the characteristic parasite features including normal to small size of infected RBCs, schizonts with 6-10 merozoites, "rosette" or "daisy" form schizont (merozoites around central hemozoin pigment; see below), and a band-like form. The presence of hemozoin pigment allows us to exclude Babesia sp. from the differential.

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