A 60-year-old man presented with a slow-growing non-painful 4.5 cm mass of the left parotid gland and underwent surgical excision. Below is an hematoxylin and eosin (H&E) section from the periphery of the lesion.This quiz is no longer available.
|Kyriakos Chatzopoulos, M.D.
Resident, Anatomic and Clinical Pathology
|Joaquin Garcia, M.D.
Consultant, Anatomic Pathology
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine