Sunday, September 21, 2014

Case of the Week 319

This week's case is also generously donated by Florida Fan, who has just had a run of really great cases!  The specimen is a particularly striking trichrome-stained stool specimen from a 20 year-old male from Florida (1000x):


Identification?

8 comments:

  1. Giardia trophozoites

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  2. Giardia lamblia/duodenalis/intestinalis trophozoites.

    Wan Hafiz

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  3. Nice Giardia on Trichrome stain! Lee

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  4. looks like everyone has this nailed with Giardia trophs. Fabulous ghostly appearance with the trichrome stain!

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  5. Giardia trophozoites. But how often are they found in the stool if compared with cysts? I thought that trophozoites are more likely to be detect in duodenal aspirates.

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