Sunday, March 30, 2008

Case of the Week 15

Welcome to the Parasite Case of the Week. Every Monday there will be a new case, as well as the answer to the previous case (you will find it below the corresponding case). Please feel free to leave a comment or your thoughts regarding the diagnosis. Enjoy!

The following images were taken from a heart at autopsy and stained with hematoxylin and eosin (Top to bottom magnification: 200x, 400x, 400x). CLICK ON THE IMAGES TO ENLARGE


















Diagnosis?
Based on the morphology, what is your differential diagnosis?

1 comment:

Tom said...

Based on morphology, I would make a rough list of: Histo, Leishmania, and T. cruzi. This is a parasite blog, and T. cruzi is known to be found in cardiac tissue, so I'd go with that. T cruzi is also known for lots of C's.

Cruzi
Chagas disease
C-shaped

If you want to get a little more Crazy, here are some more:
Cardiac tissue
Central & South America
Cheek swelling near eye (Romana's sign)
Chronic infections are common
Colonic infection (megacolon)
Crap from Reduviid bugs, which contain the trypanosomes, and gets inoculated into the bite wound by scratching.