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A parenchymal mass in the right frontal lobe involves both the cortex and underlying white matter. It is of high T2 and low T1 without enhancement. No obvious haemorrhage or calcification.
The patient went on to have a biopsy which confirmed the diagnosis of an oligodendroglioma.
Note: This case predates the recent (2016) revision WHO classification of CNS tumours, and thus molecular markers (IDH mutation and 1p19q co-deletion) are not available. As such, this tumour would now be classified as an oligodendroglioma NOS.