Male, 32 years old, with headaches and right frontal lobe lesion. Nonenhancing T2 hyperintensity and gyral thickening is again seen involving the posterior aspect of the right frontal operculum. There is evidence of prior biopsy with a burr hole and small biopsy tract just superior to the lesion. No additional abnormality is identified. No pathologic intracranial enhancement is observed. The ventricles are normal in size and morphology.
Demonstration of a region of nonenhancing T2 hyperintense gyral thickening involving the posterior aspect of the right frontal operculum.