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29 mm markedly T2 hypointense avidly enhancing lesion expanding cerebrocortex and involving the right precentral and inferior frontal gyrus laterally, and with marked diffusion restriction. The lesion is mostly solid with small cystic components peripherally.
There is a focus of elevated cerebral blood volume (CBV) within the enhancing component.
Extensive surrounding white matter T2 hyperintensity. Associated mass-effect causes partial effacement of the right lateral ventricle and midline shift of 5 mm to the left. No obstructive hydrocephalus. No transtentorial herniation.