Monday, November 19, 2018

Case of the Week 519

Happy Thanksgiving day to my American friends! Here's a question for your consideration: which parasites can you get from eating undercooked turkey (the centerpiece of the classic Thanksgiving day feast)? Here is one of them in a squash preparation of a brain biopsy. What is it?
Giemsa, 100x objective with oil
 Transmission electron microscopy:




11 comments:

Joe Camp said...

These appear to be tachyzoites of Toxoplasma gondii.

Anonymous said...

I think the same as Joe.
Luis

Bernardino Rocha said...

Agree with Joe, these are T. gondii tachyzoites, with it´s apical complex. Ultrastructurally are identifiable the conoids, and rhoptries of the tachyzoite. From undercooked turkey you can get probably Gnathostoma spp.

Sam said...

Tachyzoites of Toxoplasma gondii.

Lyric said...

mmmmm, Toxo. . .

Rim Harfouch said...

Toxoplasma gondii trophozoite tachyzoite

Bernardino Rocha said...

From undercooked turkey ..... Trichinella pseudospiralis

Anonymous said...

Very nice case of Toxoplasmosis. Such a case is so rare that most of us would not recognize the infective agents.
Thank you for an excellent educational posting.
Florida Fan

William Sears said...

toxoplasmosis

Old One said...

I agree. Points for everyone.

After reading Bernardino's Thorough diagnosis I may have to go vegetarian this Thanksgiving day.

Idzi P. said...

I agree with toxoplasmosis.
Wonderful parasite and a perfect subject for after-dinner conversations!
Although Toxoplasma changes the behavior of mice, its intermediate host (https://www.nature.com/news/parasite-makes-mice-lose-fear-of-cats-permanently-1.13777), recent studies demonstrated that it doesn’t do so in humans (https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0148435)...
Too bad... it was a great topic to entertain my students with...