Table 2 Scoring system of inflammation and demyelination [21]
Inflammatory score | |
0 | No inflammatory cells |
1 | Few scattered inflammatory cells |
2 | Organization of inflammatory infiltrates around blood vessels |
3 | Extensive perivascular cuffing with extension into adjacent parenchyma |
Demyelination score | |
0 | Normal |
1 | One small focal area of demyelination |
2 | Two or three areas of demyelination |
3 | One to two large areas of demyelination |
4 | Extensive demyelination involving ≥ 20% of the white matter |