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Case #468 – May, 2018

The object shown in Figures AC was found in a stool specimen collected in SAF (sodium acetate-acetic acid- formalin) from a 43-year-old woman born and raised in Manitoba, Canada with no recent travel reported. Estimated length of the object was 8 millimeters. What is your diagnosis? Based on what criteria?

(This case and images were kindly 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.

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