Sunday, September 14, 2014

Case of the Week 318

This week's case was generously donated by Florida Fan.  The following objects were seen in iodine-stained stool concentrates:

(450x)


(1000x)




The identification was confirmed using a Modified Safranin method:





Identification?

9 comments:

  1. Cryptosporidium parvum or Cryptosporidium hominis. Molecular detection is needed in order to confirm the species.

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  2. Cryptosporidium spp. Too small for Cyclospora

    Lee

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  3. Looks like an eosin stain was used not iodine. cryotosporidium oocyst will be greenish (apple green) using eosin stain while it's clear/transparent if iodine is used.
    -pacman

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  4. agreed, cryptosporidium

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  5. looks to me like Cryptosporidium sp., it doesn't have the characteristic 'broken glass' internal appearance of cyclospora which would be a differential.

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  6. Cryptosporidium sp.
    acid fast, 4-5 um

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  7. Agree with cryptosporidium

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  8. Agree with Cryptosporidium spp. oocysts.

    Wan Hafiz

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  9. Hello I was wondering if there was an email address which i could send a photo for identification?. I have been searching on line for weeks but still can't find anything that could identify this parasite which came from a human. many thanks :)

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