This patient went on to have resection which confirmed the diagnosis of a supratentorial PNET. 

Note: The current (2016) WHO classification of CNS tumors has made substantial changes to tumors previously considered to be supratentorial PNET, now classified as embryonal tumors with multilayered rosettes (ETMR), along with a number of other entities, in recognition of characteristic amplification of the C19MC region on chromosome 19 (19q13.42).