Case #179 – May, 2006

A group of refugees from Southeast Asia were being screened for parasites as part of a medical evaluation. Stool specimens were collected and processed. Examination of a wet mount from a formalin-ethyl acetate (FEA) concentration of one individual’s specimen revealed the object seen in Figure A. The objects were seen in low numbers and measured approximately 75 µm in length. What is your diagnosis? Based on what criteria?

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.

DPDx is an educational resource designed for health professionals and laboratory scientists. For an overview including prevention, control, and treatment visit