A 46-year-old woman with no significant past medical history presented with a right thigh mass. Excisional biopsy of the mass is shown below.
Shabnam Zarei, M.D.
Resident, Anatomic and Clinical Pathology
Bobbi Pritt, M.D.
Vice Chair of Education, Department of Laboratory Medicine
Consultant, Division of Clinical Microbiology
Associate Professor of Laboratory Medicine and Pathology,
Mayo Clinic College of Medicine