This week's case was from a young boy who had been unsuccessfully treated for pinworm infection. An apparent worm was submitted to the laboratory on a pinworm paddle (Swube®):
Given the unusual morphology, the specimen was cleared with Citrisolve and mounted on a slide for examination:
Identification? Many thanks to Florida Fan for donating this week's case!
I agree with my predecessors. It looks like a gravid proglottid of Dipylidium caninum. In the last two photos you can see eggs inside ovigerous capsules of the parasite.
Every week I will post a new Case, along with the answer to the previous case. Please feel free to write in with your answers, comments, and questions. Also check out my image archive website at http://parasitewonders.com. Enjoy!
The Fine Print: Please note that all opinions expressed here are mine and not my employer. Information provided is for educational purposes only. It is not intended as and does not substitute for medical advice. I do not accept medical consults from patients.
6 comments:
Nice! Gravid proglottid from Dipylidium caninum.
D. Caninum!!!
I agree with my predecessors. It looks like a gravid proglottid of Dipylidium caninum. In the last two photos you can see eggs inside ovigerous capsules of the parasite.
Phew, always glad when the comments confirm what I was thinking..
Anthony Rochester - ain't it the truth! :D
dipyllidium caninum proglottid
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