Case #443 – May, 2017
A 7-year-old female who had recently moved from the Democratic Republic of Congo to the US was treated for mild, non-immune hemolytic anemia and appeared to be in stable condition. Blood smears were made and stained with Wright-Giemsa at the time of her evaluation. Figures A – K show what was observed. What is your diagnosis? Based on what criteria? What additional tests, if any, should be performed for this case?
This was a case of mixed infection of malaria caused by P. falciparum, P. malariae and P. ovale (confirmed by PCR). Diagnostic features shown were:
- Reduced, slightly enlarged as well as normal sized infected red blood cells.
- P falciparum gametocyte (Figure A), ring (Figure F).
- P. malariae trophozoites, “basket forms” (Figures B, D).
- P. malariae trophozoites, “band form” (Figure I).
More on Plasmodium species: Malaria
Images presented in the dpdx case studies are from specimens submitted for diagnosis or archiving. On rare occasions, clinical histories given may be partly fictitious.
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