Monday, April 3, 2017

Case of the Week 440

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!

6 comments:

Sugar Magnolia said...

Nice! Gravid proglottid from Dipylidium caninum.

Jacque U. said...

D. Caninum!!!

Anonymous said...

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.

Anthony Rochester said...

Phew, always glad when the comments confirm what I was thinking..

Sugar Magnolia said...

Anthony Rochester - ain't it the truth! :D

William Sears said...

dipyllidium caninum proglottid