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?


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4 comments:

  1. AnonymousDecember 21, 2009 at 1:58 PM

    Ascaris lumbricoides egg.

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  2. AnonymousDecember 22, 2009 at 8:17 AM

    Utterly lovely Hymeolepis nana.

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  3. AnonymousDecember 22, 2009 at 10:06 AM

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

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  4. AnonymousDecember 22, 2009 at 1:56 PM

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

    ReplyDelete