PathWays Case Study: March 10


The following lymph node biopsy was taken from a boy with acute onset of fever and lymphadenitis.

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Dr. Bobbi Pritt

Bobbi Pritt, M.D.
Vice Chair of Education, Department of Laboratory Medicine
Consultant, Division of Clinical Microbiology
Mayo Clinic
Associate Professor of Laboratory Medicine and Pathology,
Mayo Clinic College of Medicine



April Josselyn

April Josselyn is a Marketing Associate at Mayo Medical Laboratories. She is the editor of Mayo Clinic PathWays and supports corporate communications strategies and internal communications. She has worked at Mayo Clinic since 2012. Outside of work, April enjoys the outdoors and being "hockey mom" for her two sports-crazed boys.


Nice example. I need to review this area!

Excellent case. Please continue with similar cases in future. A Khan

Rara avis! A toxo cyst! Can’t say I’ve ever seen one in a case. If I see the classic triad of marked follicular hyperplasia; clusters of epithelioid histiocytes, often in germinal centers (microgranulomas); and monocytoid B-cells, I will suggest the diagnosis and recommend serology. This triad is very specific for toxo, though not 100%!

Nice case, Looking for more details about differential diagnosis and suggested ancillary testing to reach to the correct diagnosis

Classic ! Kapster taught me.

Good case and excellent slides.

Excellent article!!

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