Case #358 – October, 2013

A 26-year-old female college student had undergone a homeopathic regimen advertised to eliminate parasites from the body. The only travel reported was to Maine a year ago to live with relatives on a farm between semesters. After experiencing recent mild to moderate abdominal discomfort, she sought medical attention to confirm that her home remedy was effective. A stool specimen was collected and tested for ova-and-parasites (O&P) by her primary health care provider. Figures AC show examples of what was observed in low numbers in a formalin-ethyl acetate (FEA) concentration of the stool. Figure A is at 200x magnification; Figures B and C show the two objects of interest individually at 400x magnification. The objects measured 31 micrometers in diameter on average. What is your diagnosis? Based on what criteria?

Figure A

Figure B

Figure C

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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