PathWays Case Study: February 16

Review of a peripheral blood smear from a 54-year-old man from Minnesota showed small inclusions inside of white blood cells (shown below). The patient had presented during the summer with fever, headache, and myalgias of two days’ duration. He recalled several tick and mosquito bites during a camping trip 10 days prior.

new-021616
Wright-Giemsa stain, 1000x
021616-2
Wright-Giemsa stain, 1000x
pathways021616-3
Wright-Giemsa stain, 1000x

 

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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
Follow her on Twitter: @parasitegal

 

Elitza Theel, Ph.D.

Elitza Theel, Ph.D.
Consultant, Division of Clinical Microbiology
Mayo Clinic
Assistant Professor of Laboratory Medicine and Pathology,
Mayo Clinic College of Medicine

 

 

 

apriljosselyn

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.

Responses

Thx, I learned something new.
HA

Thank you.

It looks very similar to Ehrlichia. Other than Anaplasma being in neutrophils is there any other morphologic feature that will help?

I think it is Erlichiosis, I have come across it in one of the “Christmas Quizzes” of the medical department in my hospital.

Thanks for this educational content.

Very educational.

very interesting reading and very educational.
thanks for sharing.

VERY EDUCATIVE

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