brain, cases Week 40: Case 2 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Orin Buetens, M.D.16-year-old female with seizures and interventricular mass.Gemistocytic astrocytoma (WHO grade 3/4)EpendymomaSubependymal giant cell astrocytomaAtypical teratoid/rhabdoid tumor 1. Presented by Pedram Argani, M.D. and prepared by Orin Buetens, M.D.16-year-old female with seizures and interventricular mass.