label: Central Nervous System Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor
label_lc: central nervous system ewing sarcoma/peripheral primitive neuroectodermal tumor
description: "A rare Ewing sarcoma/peripheral primitive neuroectodermal tumor that affects the central nervous system either as a primary dural neoplasm or by direct extension from adjacent soft tissues or bone."