cases, skin Week 67: Case 6 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Bahram R. Oliai, M.D.Fourteen year old male with a large paraspinal mass.Neuroblastoma, stromal poor, undifferentiated (high MKI) (poor prognosis category)Ewing sarcoma/Peripheral Neuroectodermal Tumor (PNET)RhabdomyosarcomaLymphoblastic lymphoma 1. Presented by Pedram Argani, M.D. and prepared by Bahram R. Oliai, M.D.Fourteen year old male with a large paraspinal mass.