Case #266 – December, 2009

A 40-year-old man sought medical attention at a hospital one week after returning from a mining operation in Ghana. He presented with diarrhea, vomiting, and night fevers. Although not confirmed, it was assumed that he did not take any anti-malarial prophylaxis. Two sets of thick and thin blood smears were made, one set of which was stained with Wright-Giemsa. Both the stained and unstained smears were sent to the CDC for diagnostic assistance. Figures AE show what was observed on the pre-stained thin smear in moderate numbers. What is your diagnosis? Based on what criteria?

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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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