cases, placenta Week 211: Case 6 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Dengfeng Cao, M.D. Ph.D.14 year old female with a 2.5 cm intraplacental mass.Metastatic neuroblastoma of fetal originChorangiosisChoriocarcinomaChorangioma 1. Presented by Pedram Argani, M.D. and prepared by Dengfeng Cao, M.D. Ph.D.14 year old female with a 2.5 cm intraplacental mass.