Monday, December 21, 2009

Case of the Week 98

Here's a challenging case for you to start off the holiday week:
The following eggs were seen in a stool preparation from a 2 year old boy with vague abdominal pain. They measure approximately 50 microns in greatest dimension. Identification?


4 comments:

Anonymous said...

Ascaris lumbricoides egg.

Anonymous said...

Utterly lovely Hymeolepis nana.

Anonymous said...

Agree with the Hymenolepis nana call. Clearly see hooklets and polar filaments! :)

Anonymous said...

Also agree with Hymenolepsis nana. A bit of swelling between the two membranes...is that artifactual or a degenerative change? BW in Vt