May-Grunwald-Giemsa, 600x
Identification?
How did they get into the specimen?
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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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16 comments:
Trichomonas!
Giardia duodenalis. Binucleated, 4 pairs of flagella.
Giardas
Trichomonas
Giardia Trophozoite
2 nuclei
4 pair flagella
falling leaf motility !!
Giardia. But how did it get into the lymph node?
Giardia...where was the lymph node (anatomically?)
Lee
Trophozoite of Giardia duodenalis due to the presence of 8 flagella and two nuclei. Giardia typically remains contained to the GI tract, so perhaps the lymph node was being sampled through the small intestine. The presence of intestinal epithelium in the cytology sample would be helpful in confirming the specimen was obtained in such a manner if the approach of the procedure or location of the lymph node was not known.
Giardia. Was this a trans-duodenal aspirate?
These trophozoites of Giardia lamblia cannot be stained any better. It's not always easy to stain all the flagella, parabasal body and axiostyle all at the same time. I suspect there was a incidental aspiration of the intestinal contents while performing the lymph mode aspiration.
Florida Fan
TROFOZOÍTOS DE Giardia lamblia
Giardia
Giardia; perhaps there was contamination during procedure if the sample was from an abdominal lymph node and bowel was punctured during the attempt. Or maybe there was a bowel resection performed during a oncologic procedure requiring regional lymphnode sampling as well.
Strange for that type of aspirate but looks like Giardia!
Looks like Giardia to me, you can see both nuclei if you look closely. How did it get in there? Maybe contamination during sampling? I know that some parasites will disseminate in immunocompromised patients, but I had not heard of that happening in Giardia.
Giardia lamblia Being a luminal intestinal parasite How did it get into the lymph node?
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