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:



The identification was confirmed using a Modified Safranin method:



Eustacia Lee said...

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

Anonymous said...

Cryptosporidium spp. Too small for Cyclospora


Anonymous said...

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.

Anonymous said...

agreed, cryptosporidium

Arthur Morris said...

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

Hans Naus said...

Cryptosporidium sp.
acid fast, 4-5 um

Anonymous said...

Agree with cryptosporidium

Anonymous said...

Agree with Cryptosporidium spp. oocysts.

Wan Hafiz

Anonymous said...

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 :)