This week's case comes from my lab with photos and video taken by Emily Fernholz. The objects shown were seen in a liver cyst aspirate. Identification?
Low power view (4x objective):
40x objective:
Here's a fun 'bird's eye' view (hit the play button twice):
I agree with Bernardino we are seeing protoscolicies as well as extruded scolex of young worms of the genus Echinococcus. The photos present some beautiful examples of calcareous corpuscles (classic feature of tapeworm tissue)
There are 4 species of Echinococcus that infect humans: E. granulosus, E. multilocularis, E. vogeli, and E. oligarthus. Without more information such as host location, medical imaging, measurement of rostellar hooklets, one cannot be certain of the species. However one can make an educated guess.
E. mulilocularis cysts are sterile (no protoscoicies), E. oligarchs is exceedingly rare in humans, E. vogeli photoscolicies contain very few calcareous corpusles, leaving E. grandulosis as the best guess.
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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!
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.
11 comments:
E.granulosus
Echinococcus spp.
Protoscoleces of Echinococcus granulosus.
Hydatid sand of E. granulosas. Beautifully captured.
Florida Fan.
I agree with my predecessors: hydatid sand of Echinococcus granulosus.
Great pictures.
Luis.
Agree with hydatid sand (immature protoscolices)and an extruded protoscolex (young worm).
Echinococcus sp
I agree with Bernardino we are seeing protoscolicies as well as extruded scolex of young worms of the genus Echinococcus. The photos present some beautiful examples of calcareous corpuscles (classic feature of tapeworm tissue)
There are 4 species of Echinococcus that infect humans: E. granulosus, E. multilocularis, E. vogeli, and E. oligarthus. Without more information such as host location, medical imaging, measurement of rostellar hooklets, one cannot be certain of the species. However one can make an educated guess.
E. mulilocularis cysts are sterile (no protoscoicies), E. oligarchs is exceedingly rare in humans, E. vogeli photoscolicies contain very few calcareous corpusles, leaving E. grandulosis as the best guess.
Multilocular hydatid cysts of E. granulosus
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CONTACT DETAILS
Email/nashwilliams4@gmail.com
whatsapp/+2349057353987
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