An 18-month-old boy presented with nausea, vomiting, and progressive somnolence. Imaging studies revealed a large mass in the fourth ventricle, associated with obstructive hydrocephalus. He underwent gross total resection of the tumor.
|Amy Swanson, M.D.
Fellow, Anatomic Pathology/Neuropathology
|Aditya Raghunathan, M.D.
Consultant, Anatomic Pathology
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine