Case #421 – June 2016

A 62-year-old female from rural Manitoba Province, Canada presented to a health care provider with abdominal pain, diarrhea, and peripheral eosinophilia.  A stool specimen was collected in sodium acetate-acetic acid-formalin (SAF) and a formalin-ethyl acetate (FEA) concentration was performed.  Figures A-D show what was observed microscopically on a wet mount; Figures C and D were stained with iodine. What is your diagnosis?  Based on what criteria?

Figure A

Figure B

Figure C

Figure D

This case and images were kindly provided by Cadham Provinical Public Health Laboratory, University of Manitoba, Winnipeg, Canada.

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