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A parasitologist's view of the world
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!
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.
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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13 comments:
Place of residence n travel history.
I could see only dots.
The ring are missing.
I am not that expert at reading thick films.
What was the rapid diagnostic kit report??????
First impression: Babesia
Initially I would say Babesia, based on the highly variable forms of the rings, including multiply-infected erythrocytes with very small, pleomorphic rings, and extracellular forms.
Still, in the absence of epi data, I'd keep Plasmodium falciparum in the differential (and note that if it was Pf, looks like the blood was not processed in a timely manner). That being said, if this was malaria in 'old blood', I would expect pigment to be present, which is never present with Babesia.
Presumptive Babesia unless I can ascertain more information.
Babesia, with a form of malaria in the differential.
BW in Vt
Agree with Blaine; not that I'd dare do otherwise. Pretty typical for Babesia, barring other travel history; note the 'streak' forms and extracellular merozoites.
Babesia spp. Pear-shaped, a few parasites in the RBC, inside and outside RBCs, no pigment (haemozoin); additional info required required: ticks, forests, blood transfusion, splenectomy
I think it is Babesia. Small and extracellular rings are typical characteristics.
Lots of improvements in diagnostics since I've been around. I can only offer you "old school" blather.
The only time I"ve seen pirplasms that small were in lion's blood infected with what was thought to be Cytauxzoon (Theileria) sp.
The Merozoites appear to be too small for any of the human Plasmodiums except possibly P. falciparum. If I were to go out on a limb to guess I'd say Babesia (Theileria) sp. and if I were to hang by my toes to guess I would say B.(T.) microti or possibly B, divergens.
I'm torn on this one, the presence of the exracellular forms, and size of the nucleus, makes me think Babesia. However, I'm surprised not to see any tetrads in the images.
My vote is malaria
I'm with Blanie on Babes and Plasmodium. Do we have any more history on the patient to make a diagnostic differentiation??
T cruzi
Hello parasitegal can you contact me please,
Stevendeanash@gmail.com
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