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Axial view MR images of the head, obtained at the time of first presentation.
A, T1-weighted MR image (400/15 [TR/TE]) shows effacement of the sulci and mild thickening of the cortex in the left frontal lobe (arrows).
B, T2-weighted MR image (3400/120) also shows effacement of the sulci and mild thickening of the cortex at the same location (arrows). Contrast material was not administered at this time.
