Summary
Primitive neuroectodermal tumor (PNET) without an obvious intraparenchymal mass lesion and with diffuse spread in the subarachnoid space is rare. We report such a rare case and discuss the computed tomography (CT) and magnetic resonance (MR) features.
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Fujii, M., Orita, T., Nishizaki, T. et al. Primitive neuroectodermal tumor of the leptomeninges. Neuroradiology 33, 260–263 (1991). https://doi.org/10.1007/BF00588232
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DOI: https://doi.org/10.1007/BF00588232