1) Periventricular | | |
Frontal | 0/1/2 | 0 = absent |
Occipital | 0/1/2 | 1 ≤ 5 mm |
Bands on lateral ventricle | 0/1/2 | 2 ≥ 5 and <10 mm |
Subtotal score | ≤6 | |
2) Deep white matter | | |
Frontal | 0/1/2/3/4/5/6 | |
Parietal | 0/1/2/3/4/5/6 | |
Occipital | 0/1/2/3/4/5/6 | |
Temporal | 0/1/2/3/4/5/6 | 0 = none |
Subtotal score | 0–24 | 1 ≤3 mm, n ≤ 5 |
3) Basal ganglia | | 2 ≤ 3 mm, n > 5 |
Caudate | 0/1/2/3/4/5/6 | 3 = 4–10 mm, n ≤ 5 |
Lentiform nucleus | 0/1/2/3/4/5/6 | 4 = 4–10 mm, n > 6 |
Thalamus | 0/1/2/3/4/5/6 | 5 ≥ 11 mm, n > 1 |
Subtotal score | 0–18 | 6 = confluent |
4) Subtentorial | | |
Cerebellum | 0/1/2/3/4/5/6 | |
Mesencephalon | 0/1/2/3/4/5/6 | |
Medulla | 0/1/2/3/4/5/6 | |
Pons | 0/1/2/3/4/5/6 | |
Subtotal score | 0–24 | |
Total score | 0–72 | |