Case #457 – December, 2017

A nine-year-old female refugee from Eritrea with neutropenia and eosinophil counts within normal range had a stool examination as part of a refugee screening. Microscopic examination of an iodine wet mount preparation of a formalin-ethyl acetate (FEA) concentration of the stool sample submitted found what is shown in Figures A and B (taken at 400x) and C (at 1000x). What is your diagnosis? Based on what morphologic features?

This case and images were by provided by the Cadham Provincial Public Health Laboratory, Winnipeg, MB.

parasitic image

Figure A

parasitic image

Figure B

parasitic image

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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