Case #310 – October, 2011

A 42-year-old photographer, who is known to travel to remote locations in tropical regions, presented to her health care provider with mild, intermittent abdominal cramping and low grade fever. A fecal specimen in polyvinyl-alcohol (PVA) was submitted for ova-and-parasite (O&P) examination. A smear was prepared and stained with trichrome. Figures AF show what was observed at 1000x magnification. Objects of interest measured 6-8 micrometers on average. 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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