A 23 year old presents to his family care physician with a five-month history of right-sided facial numbness and eyelid twitching. He is a non-smoker and has no previous malignant history. An ultrasound of his face showed a 3-4 cm hypoechoic mass in the parotid. An outside biopsy was positive for a “round blue cell tumor.” Clinically the mass was rapidly enlarging over the course of weeks-months. A CT of the mass is shown.
This quiz is no longer available.Casey Gleue, M.D. Resident, Anatomic and Clinical Pathology Mayo Clinic |
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Joaquín García, M.D. Consultant, Anatomic Pathology Mayo Clinic Associate Professor of Laboratory Medicine and Pathology Mayo Clinic College of Medicine |