Patient 4. A, Axial IR T1-weighted image (11520/60/400/2) shows right cerebellar hypertrophy with vertical folia in an 8-year-old boy with ataxia and psychomotor retardation.
B, Coronal T2-weighted image (5000/120/2) shows associated malformations: minor parietal lobe (double arrow) and ventricle enlargement, nodular heterotopia (long arrow) and white matter hyperintensity (short arrows).