Case #177 – April, 2006

A 43-year-old man went to his physician complaining of fatigue. The man reported that he hiked and camped a lot throughout the northeastern United States weeks before the symptoms started. He also reported traveling to Kenya for vacation a month before his doctor’s visit and stated that he had complied with the recommended malaria prophylaxis regimen. A blood examination was ordered, and a thick and thin blood film were made and stained with Giemsa. Figure A shows what was seen on the thick blood film, and Figure B shows the thin blood film. What is your diagnosis? Based on what criteria?

Figure A

Figure B

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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