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.



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