Radiopaedia.org

Multiple subependymal small focal nodules along the ventricular walls. No abnormal enhancement could be elcicited. No MRI abnormalities elicited near the foramen of Munro. 

Numerous scattered white matter abnormalities being high on FLAIR and T2 and iso (some low on T1).  They show no enhancement on the post contrast enhancement. Linear bands are seen radiating from the left periventricular white matter to the subcortical region matching with Radial band sign that is thought to be specific for tuberous sclerosis.