Case #230 – June, 2008

A 29-year-old man presented to his physician with recurring abdominal cramping, watery diarrhea, and general fatigue. A stool specimen was collected for ova and parasite testing. The laboratory used a commercially available concentration method. The objects shown in Figures A and B were observed at 1000x magnification. The objects measured 40 and 43 micrometers in length respectively. What is your diagnosis? Based on what criteria?


Figure B


Figure A

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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