Case #430 – October, 2016

A 25-year-old refugee from Myanmar had a stool specimen collected for routine ova-and-parasite examination as part of a post-arrival screening. Figures AD show what was found in moderate numbers on a fecal smear stained with Kinyoun’s modified acid-fast stain.  The objects measured 20 micrometers on average.  What is your diagnosis?  Based on what criteria?

Figure A

Figure B

Figure C

Figure D

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