The following is a section of a large invasive liver mass from a farmer and hunter in the Midwestern U.S. He reports no travel history outside of the U.S.
A thinly-walled multi-loculated cystic lesion in the liver does not have a large differential diagnosis. I don't see actual liver tissue in these sections, although there is a lot of fibrous tissues strengthening the septae. I think I see scolices. My diagnosis is one of the Echinococcus spp.
I dont read tissue slides but the the third image looks Ent histolytica trops with ingested RBCs but would expect to see the puntate karyosome and if it is an amebae, the size needs to be determined. Excellent images and learning op. Thanks a million for sharing this case history and having a blog bb
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.
3 comments:
It looks like Iodamoeba Butshlii.
Tricia
A thinly-walled multi-loculated cystic lesion in the liver does not have a large differential diagnosis. I don't see actual liver tissue in these sections, although there is a lot of fibrous tissues strengthening the septae. I think I see scolices. My diagnosis is one of the Echinococcus spp.
pathresident
I dont read tissue slides but the the third image looks Ent histolytica trops with ingested RBCs but would expect to see the puntate karyosome and if it is an amebae, the size needs to be determined. Excellent images and learning op. Thanks a million for sharing this case history and having a blog
bb
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