Identification?
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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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10 comments:
Kinorhynchus ?
Kinorhynchus, female with eggs
This case is "wild". Dr. Pritt has said in her email that this is an "incidental" finding, and as such I do believe that Sir Galahad comment is true.
Very bewildered Florida Fan.
These are proglottids of a Hymenolepis species; probably H. nana but I cannot make out polar filaments (which can be visible in H&E stains). Note, however, that hooklets do not stain with H&E so they would not be visible in such a prep.
Note: Incidental finding does not necessarily mean the finding is not significant, it just means it not what they where initially looking for or suspecting.
I agree with Blaine: looks like Hymenolepis.
I’d say H. nana, also based on the size of the eggs, which seem too small to be H. diminuta.
But I wouldn’t bet on it... Cut worm is really not my thing... ;-)
Nice case!!!
Agree with Blaine and Idzi
P.S. I believe I can see a few refractile hexacath hooklets in several of the eggs in photo three.
I AM GOING FOR THE LONG SHOT HERE - Oh I so love this profession..... .. Echinococcus granulosus hydatid cyst - NOTABLY enlarging the UPPER RIGHT CORNER IMAGE AND image that is right of center Echinococcus granulosus hydatid cyst with rostellum - with scolices within a daughter cyst and rostellar hooks of one of the scolices. I wish I could provide side by side comparisons using industry standard as comparison - Since the access does not allow side by side comparison.
yes, Old One. Hooklets can be visible as refractile bodies (they just don't take up H&E stain)
The craspedote proglottids do agree with Blaine's identification. I could not visualize the hooklets. Just like Idzi, "cut worm" is my Achilles tendon.
Florida Fan
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