Brain MRI anomalies | Number of patients |
---|---|
Temporal pole anomalies on T2-weighted images (subcortical hyper-intensity52, hypoplasia2, 37, dedifferentiation) | 36 (24.7%) |
White matter hyper-intensities on T2-weighted images (hemispheres60, periventricular, insula, pallidum, cerebellum; focal, punctuate, heterotopia) | 26 (17.8%) |
Cerebellar anomalies (vermian or hemispheric atrophy37, 54, 67, hypoplasia20, signal anomalies) | 25 (17.1%) |
Abnormal ventricles (dysmorphism45, dilatation18, asymmetry) | 23 (15.8%) |
Corpus callosum anomalies (short, thin18, thick26, 37, dysmorphic) | 19 (13.0%) |
Cysts47, tumors (teratoms, gangliomas, germinomas) | 14 (9.6%) |
Dilation of Virchow-Robin spaces47 | 12 (8.2%) |
Abnormal pituitary gland14, 52 | 8 (5.5%) |
Abnormal gyration (heterotopia, polymicrogyria, pachygyria) | 6 (4.1%) |