H&E, 200x
H&E, 400x
H&E, 1000x
Monday, March 30, 2015
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Welcome to Parasite Case of the Week
Every week I will post a new Case, along with the answer to the previous case. Please feel free to write in with your answers, comments, and questions. Also check out my image archive website at http://parasitewonders.com. Enjoy!
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Please note that all opinions expressed here are mine and not my employer. Information provided is for educational purposes only. It is not intended as and does not substitute for medical advice. I do not accept medical consults from patients.
The Fine Print:
Please note that all opinions expressed here are mine and not my employer. Information provided is for educational purposes only. It is not intended as and does not substitute for medical advice. I do not accept medical consults from patients.
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11 comments:
Criptococco
Criptococco
Microsporidiosis
I have no experience reading HE stained sections, but it seems like the patient may be infected with giardiasis.
Florida Fan
Looks to me like Cyclospora cyetanensis with what looks to be meronts apparent in images 3-5 and potentially some microgamonts. This would be consistent with the symptom of chronic watery diarrhoea. It is often contracted during travels to endemic areas and brought back home.
I think cyclospora too. a secondary feature of villous blunting/atrophy is also apparant which, in the abscence of successful identification of parasites (i believe cyclospora can be easily missed) could lead to a false diagnosis of , for instance, coeliac disease.
I wouldn''t know how to tell between cyclospora and isospora. Cryptococcus is usually located just on the surface I would say. Any tips?
I meant to say Cryptosporidium, not cryptococcus.
I am stuck between Cyclospora (I think too big) Cryptosporidia or Isospora..
Lee
Looks like Microsporidia to me. Looks too big to be Cryptosporidium or Cyclospora. Nice eosinophils! Is the patient immunocompromised?
Let's see a trichrome stain. O and p s are done with trichrome stains not HE.
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