Scoring system for WM and BG/thalami
| Score | BG and thalami | WM |
|---|---|---|
| 0 | Normal | Normal |
| 1 | Focal unilateral abnormality | Mildly echogenic or patchy in parieto-occipital region |
| 2 | Clearly demarcated focal bilateral echogencity | More diffuse and moderate/severe echogenicity |
| 3 | Severe and extensive abnormalities | Cystic changes |
BG, basal ganglia; WM, white matter.