The following is a Giemsa-stained peripheral blood thin film from a 5 year old girl with fever and a swollen eye. She has recently moved with her family from Argentina.
Diagnosis?
Monday, July 11, 2011
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A parasitologist's view of the world
7 comments:
Classic Trypanosoma cruzi, which is transmitted through excrement from the Reduviid or 'kissing bug' found throughout S. America. Key differentiating features from African trypanosomes (T. rhodesiense and T. gambiense) include the very enlarged posterior kinetoplast, the curved 'C' shape and geography.
Trypanosoma cruzi
The swollen eye is known as RomaƱa sign.
T. CRUZI
T. cruzi. The periorbital swelling indicates proliferation of the amastigotes at that site.
Trypanosoma cruzi, indeed.
Trypansoma
Chagas Disease
T. cruzi trypomastigotes
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