cases Week 154: Case 2 April 26, 2023 pathadmin 1. Presented by Risa Mann, M.D. and prepared by Sharon Swierczynski, M.D., Ph.D.18-year-old male with a brain lesionSchwannomaGangliogliomaAstrocytomaGemistocytic astrocytoma 1. Presented by Risa Mann, M.D. and prepared by Sharon Swierczynski, M.D., Ph.D.18-year-old male with a brain lesion